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rohm BD7004NUX technical Note

1. o 2 TT Fig 28 Load Regulation VOUT1 2 8V EN1 Se Pa O VOUTI ma u VIN 3 7 Fig 31 Start Up Time VOUT1 1 8V IOUT 0mA ENZ na F CT vom mm Fig 34 Discharge Time VOUT2 2 9V IOUT OmA Dt G scht T SUDUS div H S00us div amp VG2DMS s chi VIN ATV RE NG TREE SRE HIS ENS TIN mma Fig 37 VIN Response VOUT1 1 8V IOUT 50mA www rohm com 2012 ROHM Co Ltd All rights reserved VOUT1 v o 0 05 01 015 02 025 03 louryay Fig 29 Load Regulation VOUT2 3 0V 10 y sec div EN2 f 1V div 1V div VIN 3 7 Fig 32 Start Up Time VOUT2 2 9V IOUT 0mA CHISSUmV CHZE5UmV H H P ai v Duo cht VIN AN Fig 35 VIN Response VOUT1 1 2V IOUT 50mA Open CHZsSUmV 1 SDDUS div i i d 500u5 4iv RVGTDMS fs 47V ERRERE 3 0v Gees Fig 38 VIN Response VOUT2 3 0V IOUT 50mA 9 13 Technical Note 0 005 01 015 02 025 03 lout2ImA Fig 30 Load Regulation VOUT2 3 3V ENT Z O VOUT me Fig 33 Discharge Time VOUT1 1 8V IOUT 0MA CHIESUUmV CHZSUMV T ECH ATV DEER EES EK pM rr 15V M Fig 36 VIN Response VOUT1 1 5V IOUT 5
2. VOUT 2 6V lout 100mA 90 140 VIN 2 7V VOUT 2 8V lout 100mA 80 130 VIN 2 9V VOUT 3 0V lout 100mA 70 120 VIN 3 2V VOUT 3 3V lout 100mA Dropout Voltage Vdrop mV 360 510 VIN 2 5V VOUT 2 6V lout 300mA 270 420 VIN 2 7V VOUT 2 8V lout 300mA 240 390 VIN 2 9V VOUT 3 0V lout 300mA 210 360 VIN 3 2V VOUT 3 3V lout 300mA Line Regulation AVLNR 0 02 0 2 DN VIN VOUT 1V to VIN 5 5V lout 10mA Load Regulation AVLDR 0 2 0 6 lout 1mA to 300mA Ripple Rejection PSRR 66 dB f 100Hz lout 10mMA VOUT 1 5V Output Noise en 150 uVrms fBW 10Hz to 100kHz lout 10mA eEN1 EN2 ViH 1 2 Regulator enabled Enable Input Threshold V ViL 0 5 Regulator shutdown Enable Input Leakage Current len 0 1 1 HA VenzVIN Ta 25 C Shutdown Supply Current IQSHDN 0 1 1 HA Vout OV Ta 25 C This product is not especially designed to be protected from radioactivity Output Voltage Programming BD7003NUX BD7004NUX PIN Name P1 P2 VOUT1 VOUT2 VOUT1 VOUT2 OPEN OPEN 1 50 2 80 1 20 1 50 OPEN GND 1 80 2 60 1 20 1 80 OPEN VIN 1 80 2 70 1 80 1 50 GND OPEN 1 80 2 80 1 80 1 80 Set up GND GND 1 80 2 90 1 80 3 00 GND VIN 2 60 2 80 1 80 3 30 VIN OPEN 2 80 2 80 2 80 3 00 VIN GND 2 90 2 90 3 00 3 00 VIN VIN 2 80 3 30 3 30 3 30 Output Voltage Programming Input P1 P2 Output voltages VOUT1 and VOUT2 are determined at power up by the state of P1 and P2 see the table of Output Voltage Programming Subsequent charges to P1
3. is not aimed at the protection or guarantee of the IC Therefore do not continuously use the IC with this circuit operating or use the IC assuming its operation Thermal design Perform thermal design in which there are adequate margins by taking into account the permissible dissipation Pd in actual states of use 12 13 2012 01 Rev C 2012 ROHM Co Ltd All rights reserved BD7003NUX BD7004NUX Technical Note GQ Ordering part number Iz o o s Part No Part No Package Packaging and forming specification Ee NUX VSON008X2020 E2 Embossed tape and reel VSON008X2020 2 040 05 lt Tape and Reel information gt Tape Embossed carrier tape Quantity 4000pcs E2 1PIN MARK Direction The direction is the 1pin of product is at the upper left when you hold of feed reel on the left hand and you pull out the tape on the right hand S O O O O e 5 40 05 i Y 0 25 0 04 1pin Unit mm Order quantity needs to be multiple of the minimum quantity www rohm com 13 13 2012 01 Rev C 2012 ROHM Co Ltd All rights reserved Notice Notes No copying or reproduction of this document in part or in whole is permitted without the consent of ROHM Co Ltd The content specified herein is subject to change for improvement with
4. Current VOUT1 1 8V VOUT2 2 9V EN1 EN2 GND 100 rL r T T P1 P2 GND 87 60 2 LL o4 Ly o Tasa 20 tee 0 0 05 1 15 2 25 3 35 4 45 5 55 Input Voltage V Fig 13 Circuit Current VOUT1 1 8V VOUT 2 2 9V EN1 EN2 VIN www rohm com 2012 ROHM Co Ltd All rights reserved 16 VOUT2 1 5V lo 300mA E2 C 10 10mA 1 06 lo ImA i Output Voltage V Ei 04 E ein lt E 0 05 1 15 2 25 3 35 4 45 5 55 Input Voltage V Fig 5 Output Voltage VOUT2 1 5V VOUT2 15V Output Voltage V 45 5 5 5 3 35 4 Input Voltage V Fig 8 Line Regulation VOUT2 1 5V 100 P1 P2 GND _ 80 lt L 2 zo 2 EJ o 40 o c 2 2p 0 0 05 1 15 2 25 3 35 4 45 5 55 Input Voltage V Fig 11 Circuit Current VOUT1 1 8V VOUT2 2 9 V EN1 VIN EN2 GND P1 P2 GND Tac 02 re fre 01 00 0 05 1 15 2 25 3 35 4 45 5 55 Input Voltage V Fig 14 EN1 Input Current 7 13 35 VOUT1 3 3v 3 E m25 Z 8 2 E 10 300mA 7 d 2 7 gt lo 10mA 215r d E j E eich E lo 0mA Z7 05 0 0 05 1 15 2 25 3 35 4 45 5 55 Input Vo
5. TTTTETTTTTTTTTTTT 1 EN Voltage V Fig 17 EN2 Threshold VOUT2 2 9V 40 15 10 35 60 85 Temp C P1 P2 GND Gnd Current uA Fig 18 VOUT Temp VOUT1 1 8V 100 P1 P2 GND 8 lt E E 60 g 5 O 40 ko KE U 20 0 40 45 10 35 60 85 emp C Fig 20 Icc Temp VOUT1 1 8V VOUT2 2 9V EN1 EN2 GND 100 P1 P2 GND 80 lt a 60 2 3 40 o o 20 0 40 45 10 35 60 85 Temp C Fig 23 Icc Temp VOUT1 1 8V VOUT2 2 9V EN1 EN2 VIN VOUT1 v o 005 010 015 020 0 ox louti A Fig 26 Load Regulation VOUT1 1 2V 8 13 Fig 21 Icc Temp VOUT1 1 8V VOUT2 2 9V EN1 VIN EN2 GND 1 00 090 VIN 2 7V 0 80 0 70 CH Temp 85 C g S oso Temp 25 C 3 Temp 40 C S 040 6 ERN 0 30 Ld 0 20 j TU 0 10 0 00 0 0 05 01 0 15 02 0 25 03 IOUT A Fig 24 Drop Out Voltage VOUT1 2 8V VOUT2 V Fig 27 Load Regulation VOUT2 1 5V 2012 01 Rev C BD7003NUX BD7004NUX a w in w N vomm N D o
6. and P2 do not change the output voltages unless the supply power is cycled or all EN inputs are simultaneously driven low to shutdown the device Shutdown EN1 EN2 The BD7003NUX BD7004NUX have independent shutdown control inputs ENT and ENZ Driving both ENT and ENZ low will shut down the entire device reducing supply current to 1 A max Connecting ENT and ENZ to a logic high or VIN will enable the corresponding output s It is prohibited to open EN1 EN2 switches www rohm com 3 13 2012 01 Rev C 2012 ROHM Co Ltd All rights reserved BD7003NUX BD7004NUX Technical Note OG Typical Application Circuit BD7003NUX BD7004NUX VIN t Couri 1uF t Cour2 1uF Figure2 Application Circuit It is prohibited to open ENT EN2 switches www rohm com 4 13 2012 01 Rev C 2012 ROHM Co Ltd All rights reserved BD7003NUX BD7004NUX Technical Note G Package Dimensions VSON008X2020 2 0X0 05 t Device IPIN MARK Lon pis NN Unit mm 3 I Device name Marking BD7003NUX BD7003 pajo 08 js BD7004NUX BD7004 Pin Descriptions PIN description Top View VOUT1 VOUT2 GND EN2 Note Recommend connecting the Thermal Pad to the GND for excellent power dissipation PIN No Name UO E Function IN GND 1 VIN O Voltage Supply 2
7. 0mA ICHTESUUmV CHZ 50mV T KH aN a PE a ire Li 3 3V IEN CERN Fig 39 VIN Response VOUT2 3 3V IOUT 50mA 2012 01 Rev C BD7003NUX BD7004NUX Technical Note 40usec div 40usec div 40usec div lout 1mA gt 150mA room lout 1mA gt 150mA 100mA dy lout 150mA gt tmA 100mA dy Een 7 m 4 M99 Leo PARANG ANAN eoe tehh NNN Vout1 Vouti i 200mV div Vouti 200mV div f 200mV div 12v rera iiit tein tenants 3 3V Pn 12V Fig 40 Load Response Fig 41 Load Response Fig 42 Load Response VOUT1 1 2V VOUT1 3 3V VOUT1 1 2V IOUT 1mA 150mA IOUT 1mA 150mA IOUT 150MA 51MA H 40usec div lout 150mA gt 1mA 160mA dy kees voi 200mV div 33V ken PP preiei Fig 43 Load Response VOUT1 3 3V IOUT 150mA 1mA www rohm com 10 13 2012 01 Rev C 2012 ROHM Co Ltd All rights reserved BD7003NUX BD7004NUX G Example of EN1 amp EN2 used P1 GND P2 OPEN VOUT1 1 8V VOUT2 2 8V Output overshoot conditions Technical Note Whenever the LDO is turned ON LDO1 output overshoot occurs in certain boot conditions In CASE2 the overshoot value is minimum which boot order is ENT EN2 The maximum over shoot occurs in CASE3 which boot order is EN2 EN1 The overshoot value differs between input voltages VIN output voltage setting and EN1 ENZ input timing interval CASE1 EN1 amp EN2 Pins are shorted EN1 amp EN2 Pins are independent
8. CASE2 EN1 EN2 operation L H Capa CASE3 EN2 EN1 operation L H EN1 EN2 www rohm com 2012 ROHM Co Ltd All rights reserved VIN 3 7V EN2 EN1 Stopped H zoms div TENTGV div i 1 MOUT2 0 5V div SS E E MOUTA 0 5V div 20ms div VIN 3 7V EN2 L OFF stopped q zums div EN1 5V div d MOUT1 0 5V div VOUT2 0 5V div 20ms div VIN 3 7V EN2 H ON Stopped H zoms div aa elle VOUT2 0 5V div ir MOUTIOSV div moi ao 20ms div 11 13 VIN 5 5V EN2 EN1 stopped 3 20ms div TEN1 6V div VOUT2 0 5V div OUT HO 5V div 20ms div VIN 5 5V EN2 L OFF stopped q Deeg EN1 5V div scs VOUTI 0 5V dv VOUT2 0 5V div 20ms div VIN 5 5V EN2 H ON Stopped q Camera 5 VOUT2 0 5 V div 20ms div 2012 01 Rev C BD7003NUX BD7004NUX Technical Note G Notes for use 1 2 3 4 5 6 7 8 9 10 11 12 13 www rohm com Absolute maximum ratings If applied voltage VIN operating temperature range Topr or other absolute maximum ratings are exceeded there is a risk of damage Since it is not possible to identify short open or other damage modes if special modes in which absolute maximum ratings are exceeded are assumed consider applying fuses or
9. EN1 O Enable Input1 3 P2 O O Control Output Voltage PIN2 4 P1 O O Control Output Voltage PIN1 5 EN2 O Enable Input2 6 GND O GND PIN 7 VOUT2 O O LDO1 Output1 8 VOUT1 O O LDO2 Output2 WS eer 5 13 2012 01 Rev C 2012 ROHM Co Ltd All rights reserved BD7003NUX BD7004NUX Technical Note G Equivalent Circuit 2pin 5pin EN 3pin 4pin P 3 State Decoder 8pin 7pin VOUT OG Block Diagram SHUTDOWN AND POWER ON CONTROL OVER CURRENT PROTECTION OUTPUT VOUTI VOLTAGE CONTROL VOUT2 Fig 3 Block Diagram www rohm com 6 13 2012 01 Rev C 2012 ROHM Co Ltd All rights reserved BD7003NUX BD7004NUX G Typical Operating Characteristics Technical Note The test conditions for the Typical Operating Characteristics are VIN 3 7V CIN 1 0uUF COUT 1 0uF Ta 25 C Unless otherwise noted VOUTI 1 2V 1 T 1o 300mA 277 loz10mA Output Voltage V 0 05 1 15 2 25 3 35 4 45 5 55 Input Voltage V Fig 4 Output Voltage VOUT1 1 2V Output Voltage V 25 3 35 4 45 5 55 Input Voltage V Fig 7 Line Regulation VOUT1 1 2V s P1 P2 GND Gnd Current uA 4 45 5 55 S 25 35 Input Voltage V Fig 10 Circuit
10. T MAX Maximum output current Measurement conditions Evaluation Board 1 Double side Board 000000000 000000000 Layout of Board for Measurement Unit mm tae IC Implementation Position Bottom Layer Top View Power Dissipation 1 36W Thermal Resistance 6ja 91 9 C W Evaluation Bord1 Power Dissipation Pd W E pa o 25 50 75 100 125 180 175 200 Ambient Temperature Ta C Fig 1 VSON008X2020 Power dissipation heat reduction characteristics Reference Please design the margin so that PMAX becomes is than Pd PMAX Pd within the usage temperature range www rohm com 2 13 2012 01 Rev C 2012 ROHM Co Ltd All rights reserved BD7003NUX BD7004NUX Technical Note G Electrical Characteristics Vin 3 7V EN1 EN2 Vin Ta 25 C unless otherwise noted Limits 8 Parameter Symbol Unit Condition Min Typ Max Output Voltage range VOUT 1 2 3 3 V Input Voltage range VIN 2 5 5 5 V Avouta 1 8 1 8 lout 1mA VOUT21 5V Output Voltage Accuracy Avoutb 30 30 mV lout 1mA VOUT 1 2V Maximum Output Current Imax 300 mA Short Circuit Current Isc 150 mA VOUT OV 55 95 lout OmA Ground Pin Current Iq HA 35 65 One LDO shutdown loutZ0mA 120 170 VIN 2 5V
11. Thank you for your accessing to ROHM product informations More detail product informations and catalogs are available please contact us ROHM ROHM Customer Support System SEMICONDUCTOR http www rohm com contact www rohm com 2012 ROHM Co Ltd All rights reserved R1120A
12. iation tolerant While ROHM always makes efforts to enhance the quality and reliability of its Products a Product may fail or malfunction for a variety of reasons Please be sure to implement in your equipment using the Products safety measures to guard against the possibility of physical injury fire or any other damage caused in the event of the failure of any Product such as derating redundancy fire control and fail safe designs ROHM shall bear no responsibility whatsoever for your use of any Product outside of the prescribed Scope or not in accordance with the instruction manual The Products are not designed or manufactured to be used with any equipment device or System which requires an extremely high level of reliability the failure or malfunction of which may result in a direct threat to human life or create a risk of human injury such as a medical instrument transportation equipment aerospace machinery nuclear reactor controller fuel controller or other safety device ROHM shall bear no responsibility in any way for use of any of the Products for the above special purposes If a Product is intended to be used for any such special purpose please contact a ROHM sales representative before purchasing If you intend to export or ship overseas any Product or technology specified herein that may be controlled under the Foreign Exchange and the Foreign Trade Law you will be required to obtain a license or permit under the Law
13. ions as well as damage Accordingly take care not to apply a lower voltage than GND to an input pin or use the IC in other ways such that parasitic elements operate Moreover do not apply a voltage to an input pin when the power supply voltage is not being applied to the IC Furthermore when the power supply voltage is being applied make each input pin a voltage less than the power supply voltage as well as within the guaranteed values of electrical characteristics Ground wiring pattern When there is a small signal GND and a large current GND it is recommended that you separate the large current GND pattern and small signal GND pattern and provide single point grounding at the reference point of the set so that voltage variation due to resistance components of the pattern wiring and large currents do not cause the small signal GND voltage to change Take care that the GND wiring pattern of externally attached components also does not change Externally attached capacitors When using ceramic capacitors for externally attached capacitors determine constants upon taking into account a lowering of the rated capacitance due to DC bias and capacitance change due to factors such as temperature Thermal shutdown circuit TSD When the junction temperature becomes 180 C typ or higher the thermal shutdown circuit operates and turns the switch OFF The thermal shutdown circuit which is aimed at isolating the IC from thermal runaway as much as possible
14. ltage V Fig 6 Output Voltage VOUT1 3 3V 3 VOUTI 3 3V Fig 9 Line Regulation VOUT1 3 3V 100 P1 P2 GND 8r ka Teste 60 Ll Teac 5 4 o LA LL o 20 0 t 0 05 1 15 2 25 3 35 4 45 5 55 Input Voltage V Fig 12 Circuit Current VOUT1 1 8V VOUT2 2 9V EN1 GND EN2 VIN 10 E 0 9 08 307 06 205 5 au 203 LI 02 P1 P2 GND Tasaso Ha alar 00 ILLU s 0 05 1 15 2 25 3 35 4 45 5 55 Input Voltage V Fig 15 EN2 Input Current 2012 01 Rev C BD7003NUX BD7004NUX EN Votage V Fig 16 EN1 Threshold VOUT1 1 8V Vout2 V Fig 19 VOUT Temp VOUT2 3 0V 100 1 1 P1 P2 GND 80 lt E t 60 9 5 O 40 o 5 20 0 40 15 10 35 60 85 emp C Fig 22 Icc Temp VOUT1 1 8V VOUT 2 2 9V EN1 GND EN2 VIN VIN 2 7V 0 80 0 70 T S 0 60 E Temp 85 C 2050 Temp225 c amp 040 1 5 Temp 40 C 030 HI l Fig 25 Drop Out Voltage VOUT2 2 8V www rohm com 2012 ROHM Co Ltd All rights reserved Technical Note Output Voltage V
15. n Him Technical Note SEMICONDUCTOR CMOS LDO Regulator for Portable Equipments Dual Low Dropout matee RoHS Linear Regulator BD7003NUX BD7004NUX No 12020ECT09 Descriptions The BD7003NUX BD7004NUX are dual channels 300mA low dropout voltage regulator output at each channel The output voltage range is from 1 2V to 3 3V by operating range from 2 5V to 5 5V The output voltages VOUT1 and VOUT2 are determined at power up by the state of P1 and P2 see the table of Output Voltage Programming The BD7003NUX BD7004NUX offer 1 8 accuracy and low dropout The shutdown current is near the zero current which is suitable for battery powered device The BD7003NUX BD7004NUX are mounted on VSONO08X2020 2 0mmX2 0mmX0 6mm which contributes to the space saving design of set Features 1 2 channel 300mA CMOS type LDOs 2 Pin Programmable Output Voltage 9 steps adjustable VO See the Table of Output Voltage Programming 3 LDOs Power ON OFF Enable Control 4 2 0mm x 2 0mm Package 5 Small Ceramic Output Capacitors 1 u F 6 Equipped with Over Current Limiter and Thermal Shutdown Circuit TSD Applications Battery powered portable equipment etc Absolute Maximum Ratings Ta 25 C Parameter Symbol Ratings Unit Maximum Supply Voltage VIN VIN 03 7 V Maximum Input Voltage 1 P1 P2 EN1 EN2 VINMAX1 03 7 V Maximum Input Voltage 2 Vout1 Vout2 VINMAX2 0 3 Vin 0 3 V Power Dissipa
16. ntial of a GND pin such that it will be the lowest potential even if operating below that In addition confirm that there are no pins for which the potential becomes less than a GND by actually including transition phenomena Shorts between pins and misinstallation When installing in the set board pay adequate attention to orientation and placement discrepancies of the IC If it is installed erroneously there is a risk of IC damage There also is a risk of damage if it is shorted by a foreign substance getting between pins between a pin and a power supply or GND Operation in strong magnetic fields Be careful when using the IC in a strong magnetic field since it may malfunction Inspection in set board When inspecting the IC in the set board since there is a risk of stress to the IC when capacitors are connected to low impedance IC pins be sure to discharge for each process Moreover when getting it on and off of a jig in the inspection process always connect it after turning off the power supply perform the inspection and remove it after turning off the power supply Furthermore as countermeasures against static electricity use grounding in the assembly process and take appropriate care in transport and storage Input pins Parasitic elements inevitably are formed on an IC structure due to potential relationships Because parasitic elements operate they give rise to interference with circuit operation and may be the cause of malfunct
17. other physical safety measures Recommended operating range This is the range within which it is possible to obtain roughly the expected characteristics For electrical characteristics it is those that are guaranteed under the conditions for each parameter Even when these are within the recommended operating range voltage and temperature characteristics are indicated Reverse connection of power supply connector There is a risk of damaging the IC by reverse connection of the power supply connector For protection from reverse connection take measures such as externally placing a diode between the power supply and the power supply pin of the IC Power supply lines In the design of the board pattern make power supply and GND line wiring low impedance When doing so although the digital power supply and analog power supply are the same potential separate the digital power supply pattern and analog power supply pattern to deter digital noise from entering the analog power supply due to the common impedance of the wiring patterns Similarly take pattern design into account for GND lines as well Furthermore for all power supply pins of the IC in conjunction with inserting capacitors between power supply and GND pins when using electrolytic capacitors determine constants upon adequately confirming that capacitance loss occurring at low temperatures is not a problem for various characteristics of the capacitors used GND voltage Make the pote
18. out notice The content specified herein is for the purpose of introducing ROHM s products hereinafter Products If you wish to use any such Product please be sure to refer to the specifications which can be obtained from ROHM upon request Examples of application circuits circuit constants and any other information contained herein illustrate the standard usage and operations of the Products The peripheral conditions must be taken into account when designing circuits for mass production Great care was taken in ensuring the accuracy of the information specified in this document However should you incur any damage arising from any inaccuracy or misprint of such information ROHM shall bear no responsibility for such damage The technical information specified herein is intended only to show the typical functions of and examples of application circuits for the Products ROHM does not grant you explicitly or implicitly any license to use or exercise intellectual property or other rights held by ROHM and other parties ROHM shall bear no responsibility whatsoever for any dispute arising from the use of such technical information The Products specified in this document are intended to be used with general use electronic equipment or devices such as audio visual equipment office automation equipment commu nication devices electronic appliances and amusement devices The Products specified in this document are not designed to be rad
19. tion Pd 1360 mW Operating Temperature Range Topr 40 85 C Storage Temperature Range Tstg 55 150 C x This is the allowable loss of when it is mounted on a ROHM specification board 40mm x 40mm x 1 5mmt To use at temperature higher than 25 C derate 10 9mW per 1 C This product is not especially designed to be protected from radioactivity G Recommended Operating Range Ta 40 85 C Parameter Symbol Ratings Unit Input Power Supply Voltage Range VIN 2 5 5 5 V www rohm com 1 13 2012 01 Rev C 2012 ROHM Co Ltd All rights reserved BD7003NUX BD7004NUX Technical Note Power Dissipation As for power dissipation an approximate estimate of the heat reduction characteristics and internal power consumption of IC are shown so please use these for reference Since power dissipation changes substantially depending on the implementation conditions board size board thickness metal wiring rate number of layers and through holes etc it is recommended to measure Pd on a set board Exceeding the power dissipation of IC may lead to deterioration of the original IC performance such as causing operation of the thermal shutdown circuit or reduction in current capability Therefore be sure to prepare sufficient margin within power dissipation for usage Calculation of the maximum internal power consumption of IC PMAX PMAX VIN VOUT xIOUT MAX VIN Input voltage VOUT Output voltage IOU

rohm BD7004NUX technical Note

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