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TEXAS INSTRUMENTS SLTS127A Data Sheet

1. 90 80 Vin e S 36 0V gt paes 2 70 Oy S y 60 0V 1 PENE E 75 0V 60 50 0 0 2 0 4 0 6 0 8 1 lout A Output Ripple vs Output Current 120 100 Vin z 36 0V 60 eos is 60 0V 40 75 0V 20 0 0 0 2 0 4 0 6 0 8 1 lout A Power Dissipation vs Output Current 1 6 1 2 Vin 2 7 75 0V os 7 60 0V p 48 0V a 36 0V 0 4 0 0 0 2 0 4 0 6 0 8 1 lout A Safe Operating Area Vin 48V Note B 90 g 80 SRS Airflow 70 200LFM g 60 120LFM 5 50 60LFM pa Nat conv Sao 2 E 30 20 0 0 2 0 4 0 6 0 8 1 lout A Characteristic data has been developed from actual products tested at 25 C This data is considered typical data for the Converter SOA curves represent the conditions at which internal components are at or below the manufacturer s maximum operating temperatures wy TEXAS INSTRUMENTS Application Notes PT4220 4240 Series Using the Remote On Off with the PT4220 4240 Isolated 10W Excalibur DC DC Converters For applications requiring output voltage On Off control the PT4220 4240 DC DC converter series incorporates a Remote On Off control pin 1 This feature can be used to switch the module off without removing the applied input source voltage The converter funct
2. FT t Q1Vgs 10V Div HORIZ SCALE 10ms Div For technical support and more information see inside back cover or visit www ti com Application Notes PT4220 4240 Series Adjusting the Output Voltage of the 10W Rated Excalibur Series of Isolated DC DC Converters The factory pre set output voltage of Power Trends 10W Excalibur series of isolated DC DC converters may be adjusted over a narrow range This is accomplished with the addition of a single external resistor For the input voltage range specified in the data sheet Table 1 gives the allowable adjustment range for each model as Vo min and Vo max Adjust Up An increase in the output voltage is obtained by adding a resistor R between pin 10 Vo adjust and pins 6 amp 7 Vou 68 845 R R kQ 2 V V s Where V Original output voltage V Adjusted output voltage R Internal resistance Table 1 Notes 1 Use only a single 1 resistor in either the R1 or R2 location Place the resistor as close to the ISR as possible 2 Never connect capacitors to Vo adjust Any capacitance Adjust Down Add a resistor R1 between pin 10 Vo adjust added to the Vo adjust control pin will affect the stability of and pins 8 amp 9 Vout the ISR 3 The output power is limited to 10W If the output Refer to Figur el and Table 2 for both the placement and value voltage
3. 10 W Low Profile 48V Input Isolated DC DC Converter Description The PT4220 power modules are a series of DC DC converters housed in an ultra low profile 8mm solderable copper case The series includes a num ber of preset output voltages ranging from 1 3V1 up to 12V all fully approved for Telecom use They may also be used in many other applications that require input output isolation over an extended temperature range The modules are an ideal choice for low power digital and analog circuits including DSPs and microcontrollers The flexibility of input output isolation also allows the output to be configured for negative voltage operation The PT4220 series is made available in both horizontal and vertical pin con figurations including surface mount Standard Application Exca meura Features e 10W Output Power Input Voltage 36V to 75V Output Voltages 1 2V to 13 2V 1500 VDC Isolation Temp Range 40 C to 85 C Remote On Off Control Undervoltage Lockout Output Current Limit Ordering Information PT 42210 1 8V 3A 5 4W PT 42220 3 3V 3A PT 42230 5 0V 2A PT 42240 12 0V 0 85A PT 42250 2 5V 3A 7 5W PT 42260 1 5V 3A 4 5W t PT 42270 1 3V 3A G3 9W t Adjustable to 1 2V PT Series Suffix PT1234x Case Pin Order Package Configuration Suffix Code Vertical N EPE Horizontal A EPF SMD c EPG Reference the applicable package code draw ing for the dimensions and
4. Output Ripple vs Output Current lout A Power Dissipation vs Output Current 3 2 5 2 1 5 1 0 5 0 0 0 5 1 1 5 2 25 3 lout A Safe Operating Area Vin 48V Note B 90 80 Airflow 70 200LFM 60 120LFM 50 60LFM Nat conv 40 30 20 0 o5 1 15 2 25 3 lout A Note A Note B PT4223 Vo 5 0VDC See Note A Efficiency vs Output Current 90 80 x gt 70 S o i Ww 60 50 0 0 4 0 8 1 2 1 6 a lout A Output Ripple vs Output Current 50 40 gt E so LEH 20 Z1 c 10 0 0 0 4 0 8 1 2 1 6 2 lout A Power Dissipation vs Output Current 2 AS 1 6 ame Vin PEP 75 0V ess 60 0V tg Vv g 08 paa a jp Eee Lot 36 0V 0 4 0 0 0 4 0 8 1 2 1 6 2 lout A Safe Operating Area Vin 48V Note B 90 g 80 Airflow o 2 70 3 200LFM g 60 120LFM 5 50 60LFM z Nat conv EEO 2 E 30 20 0 o4 08 12 16 2 lout A For technical support and more information see inside back cover or visit www ti com PT4224 Vo 12 0VDC See Note A Efficiency vs Output Current
5. is increased the maximum load current must be of the required resistor R1 or R2 derated according to the following equation The values of Rj adjust down and R2 adjust up can 10 also be calculated using the following formulas I max y R 56 2 V 1 225 R kQ In any instance the load current must not exceed the V V converter s rated current See Table 1 Table 1 DC DC CONVERTER ADJUSTMENT RANGE AND FORMULA PARAMETERS Series Pt 24V Bus PT4247 PT4246 PT4241 PT4245 PT4242 PT4243 PT4244 48V Bus PT4227 PT4226 PT4221 PT4225 PT4222 PT4223 PT4224 Rated Current 3 3A 3A 3A 3A 3A 2A 0 85A Vo nom 13V 1 5V 1 8V 25V 33V 5 0V 12 0V Vo min 12V 145V 1 7V 225V 2 95V 45V 10 8V Vo max 14V 1 65V 1 98V 2 75V 3 65V 5 5V 13 2V Rs kQ 340 0 243 0 243 0 187 0 187 0 110 0 49 9 Figure 1 V o _ V 5 avin Vout 89 O PT4220 4240 3 oy 6 7 R1 Vin Vout V ae V adj Adj Down Niro n Off o 1 10 L l 0 A D R2 Adjust Up Na o For technical support and more information see inside back cover or visit www ti com J TEXAS INSTRUMENTS Application Notes continued PT4220 4240 Series Table 2 DC DC CONVERTER ADJUSTMENT RESISTOR VALUES Series Pt 24V Bus PT4247 PT4246 PT4241 PT4245 PT4242 PT4243 PT4244 48V Bus PT4227 PT4226 PT4221 PT4225 PT4222 PT4223 PT4224 V nom 13V 1 5V 1 8V 2 5V 3 3V 5 0V 12 0V Valreq d Valreq d 1 2 0 0 kQ 4 5 258 0 kQ 1 25 340 0 kQ 4 6 364 0 kQ 13 47 541 0 kQ 1 35 3
6. 40 0kQ 48 895 0 kQ 14 0 0 0kQ 4 9 1960 0 kQ 1 45 9 9 kQ 5 0 1 5 5 1 578 0kQ 1 55 1130 0kQ 5 2 234 0kQ 1 6 445 0kQ 5 3 119 0kQ 1 65 216 0kQ 5 4 62 1kQ 1 7 23 kQ 5 5 27 7kQ 1 75 B47 0 kQ 10 8 B99 0 kQ 1 8 11 0 499 0 kQ 1 85 1130 0kQ 11 5 1110 0 kQ 1 9 445 0kQ 12 0 1 95 216 0kQ 12 5 87 8kQ 2 25 43 4 kQ 13 0 18 9kQ 23 115 0 kQ 13 2 7 5kQ 2 35 235 0 kQ 24 473 0 kQ 245 1190 0 kQ 2 2 55 1190 0kQ 2 6 501 0kQ 2 65 272 0kQ 2 7 157 0kQ 2 75 88 4kO 2 95 90 0 kQ 3 0 146 0 kQ 3 05 223 0 kQ 3 1 340 0 kQ 3 15 534 0 kQ 3 2 923 0 kQ 3 25 2090 0 kQ 3 3 3 35 1190 0kQ 3 4 501 0kQ 3 45 272 0kQ 3 5 157 0kQ 3 55 88 4kQ 3 6 42 5kQ 3 65 9 7kQ R Blue R Black wy TEXAS INSTRUMENTS For technical support and more information see inside back cover or visit www ti com K Texas PACKAGE OPTION ADDENDUM INSTRUMENTS www ti com 13 Oct 2005 PACKAGING INFORMATION Orderable Device Status Package Package Pins Package Eco Plan Lead Ball Finish MSL Peak Temp Type Drawing Qty PT4221A ACTIVE SIP MOD EPF 10 15 TBD Call TI Level 1 215C UNLIM ULE PT4222A ACTIVE SIP MOD EPF 10 15 TBD Call TI Level 1 215C UNLIM ULE PT4222C ACTIVE SIP MOD EPG 10 1
7. 5 TBD Call TI Level 3 215C 168HRS ULE PT4223A ACTIVE SIP MOD EPF 10 15 TBD Call TI Level 1 215C UNLIM ULE PT4223C ACTIVE SIP MOD EPG 10 15 TBD Call TI Level 3 215C 168HRS ULE PT4224A ACTIVE SIP MOD EPF 10 15 TBD Call TI Level 1 215C UNLIM ULE PT4224C ACTIVE SIP MOD EPG 10 15 TBD Call TI Level 3 215C 168HRS ULE PT4224N ACTIVE SIP MOD EPE 10 15 TBD Call TI Level 1 215C UNLIM ULE PT4227A ACTIVE SIP MOD EPF 10 15 TBD Call TI Level 1 215C UNLIM ULE PT4227C ACTIVE SIP MOD EPG 10 15 TBD Call TI Level 3 215C 168HRS ULE PT4227N ACTIVE SIP MOD EPE 10 15 TBD Call TI Level 1 215C UNLIM ULE The marketing status values are defined as follows ACTIVE Product device recommended for new designs LIFEBUY TI has announced that the device will be discontinued and a lifetime buy period is in effect NRND Not recommended for new designs Device is in production to support existing customers but TI does not recommend using this part in a new design PREVIEW Device has been announced but is not in production Samples may or may not be available OBSOLETE TI has discontinued the production of the device 9 Eco Plan The planned eco friendly classification Pb Free RoHS or Green RoHS amp no Sb Br please check http Awww ti com productcontent for the latest availability information and additional product content details TBD The Pb Free Green conversion plan has not been defined Pb Free RoHS TI s terms Lead Free or Pb Fr
8. PC board layout SLTS127A Revised 1 14 2002 Short Circuit Protection Low Profile Package 8mm Space Saving Package Solderable Copper Case Safety Agency Approvals UL 60950 CSA 22 2 60950 Pin Out Information Pin Function Remote On Off Do not connect Vin Do not connect Vin Vout Vout Vout Vout Vout Adj For further information see application notes olay jajj wl Nnte 10 3 Vin Vn a Vin PT4220 Remote On Off Volad 1 For technical support and more information see inside back cover or visit www ti com 8 9 Vout Vout Pw 4i TEXAS INSTRUMENTS PT4220 Series 10 W Low Profile 48V Input Isolated DC DC Converter Specifications Unless otherwise stated Ta 25 C Vin 48V Cin 0pF Cout 0pF and Io Iomax PT4220 SERIES Characteristic Symbol Conditions Min Typ Max Units Output Current Ik Over Vin range Vo lt 3 3V 0 10 3 Vo 5 0V 0 1 2 Vo 12V 0 1 0 0 85 Input Voltage Range Vin Over I Range 36 0 48 0 75 0 VDC Set Point Voltage Tolerance Vo tol l 2 Vo Temperature Variation Regtemp 40 lt T lt 85 C I I min 0 2 Vo Line Regulation Re line Over Vin range 1 mV Load Regulation Regioad Over Io range 5 mV Total Output Voltage Variation AVotot Includes set
9. echanical Vibration Mil Std 883D Method 2007 2 206 Gs 20 2000Hz all case styles soldered to PC i Weight 20 grams Flammability Materials meet UL 94V 0 Notes 1 The DC DC converter will operate at no load with reduced specifications 2 The maximum output current reduces the output power of the following devices to less than 10W PT4225 7 5W PT4221 5 4W PT4226 4 5W PT4227 3 9W 3 The Remote On ON ee 1 has an internal pull up and if it is left open circuit the converter will operate when input power is applied The open circuit voltage is typically 5V Refer to the application notes for interface considerations 4 See Safe Operating Area curves or contact the factory for the appropriate derating 5 An output capacitor is not required for proper operation 6 The case pins on through hole pin configurations N amp A must be soldered For more information see the applicable package outline drawing we TEXAS INSTRUMENTS For technical support and more information see inside back cover or visit www ti com Efficiency Ripple mV Pd Watts Ambient Temperature C PT4220 Series Typical Characteristics 10 W Low Profile 48V Input Isolated DC DC Converter PT4222 Vo 3 3VDC See Note A Efficiency vs Output Current 90 85 Vin 80 36 0V 7 48 0V 77 60 0V 70 7 75 0V 65 60 0 0 5 1 1 5 2 2 5 3 lout A
10. ee mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances including the requirement that lead not exceed 0 1 by weight in homogeneous materials Where designed to be soldered at high temperatures TI Pb Free products are suitable for use in specified lead free processes Green RoHS amp no Sb Br TI defines Green to mean Pb Free ROHS compatible and free of Bromine Br and Antimony Sb based flame retardants Br or Sb do not exceed 0 1 by weight in homogeneous material 3 MSL Peak Temp The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications and peak solder temperature Important Information and Disclaimer The information provided on this page represents TI s knowledge and belief as of the date that it is provided Tl bases its knowledge and belief on information provided by third parties and makes no representation or warranty as to the accuracy of such information Efforts are underway to better integrate information from third parties TI has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals TI and TI suppliers consider certain information to be proprietary and thus CAS numbers and other limited information may not be available for release In no event shall TI s liability arising out of such info
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12. ions normally with Pin 1 open circuit providing a regulated output voltage when a valid source voltage is applied to Vin pin 5 with respect to Vin pin 3 When a low level 1 ground signal is applied to pin 1 the converter output will be turned off Figure 1 shows an application schematic which details the typical use of the Remote On Off function Note the discrete transistor Q1 The pin has its own internal pull up allowing it to be controlled with an open collector or open drain device See notes 2 amp 3 Table 1 gives the threshold requirements When placed in the Off state the standby current drawn from the input source is typically reduced to less than 1mA Table 1 Pin 1 Remote On Off Control Parameters Parameter Min Typ Max Enable VIH 4 5V Disable VIL 0 8V Vo c Open Circuit 5 0V Iin pin 1 at Vin Notes 1 The Remote On Off control uses Vin pin 3 as its ground reference All voltages specified are with respect to Vin 2 Use an open collector device preferably a discrete transistor for the Remote On Off input A pull up resistor is not necessary To disable the output voltage the control pin should be pulled low to less than 0 8VDC 3 The Remote On Off pin may be controlled with devices that have a totem pole output This is provided the drive voltage meets the threshold requirements in Table 1 Do not apply more than 20V If a TTL gate is used a pul
13. l up resistor may be required to the logic supply voltage 4 The PT4220 4240 converters incorporate an Under Voltage Lockout UVLO The UVLO will keep the module off when the input voltage to the converter is low regardless of the state of the Remote On Off control Table 2 gives the UVLO input voltage thresholds Ki Texas INSTRUMENTS Table 2 UVLO Thresholds Series Vin Range UVLO Threshold PT4220 36 75V 32V 2V PT4240 18 36V 15 8V 2V Figure 1 V 0 9 avin Vout 8 aay PT4220 4240 in 31 Vin Remote Vout o V On Off V adi Note 1 10 Q1 1 OFF 5 Bs8138 V Note 1 Vdd Ri 10k ff Ula Note 1 Turn On Time In the circuit of Figure 1 turning Q on applies a low voltage to pin 1 and disables the converter output Correspondingly turning Q1 off allows pin 1 to be pulled high by an internal pull up resistor The con verter produces a regulated output voltage within 60ms Figure 2 shows shows the output response of a PT4223 5 0V following the turn off of Q1 The turn off of Q1 corresponds to the drop in Q Vgs Although the rise time of the output voltage is short lt 5ms the indicated delay time will vary depending upon the input voltage and the module s internal timing The waveform was measured with a 48Vdc input voltage and a 1 4A resis tive load Figure 2 t Vo 2V Div t lin 0 2A Div t Delay Time
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15. point line load we 9 40 lt T lt 85 C ate a Vo Efficiency n Vo 12V 87 Vo 5 0V 85 Vo 3 3V 81 Vo 2 5V 78 Vo 1 8V 73 Vo 1 5V 71 Vo 13V 65 Vo Ripple pk pk Wy 20MHz bandwidth Vos5 0V 50 mV Vo 12V 100 PP Transient Response tee 1A is load step 50 to 100 Imax 75 ps Vo over undershoot Vo lt 5 0V 150 A o o Vir Vo 12V ES 350 oy Output Voltage Adjust Vadi Vo 22 5V 10 Vo Current Limit Threshold Tim Vin 36V AV 1 150 lomax Switching Frequency ifs Over Vin range 250 300 350 kHz Under Voltage Lockout UVLO 32 V Remote On Off Pin 1 Referenced to Vin pin 3 Input High Voltage Vint 45 Open 6 v Input Low Voltage VL 0 2 0 8 Input Low Current IL 0 5 mA Standby Input Current Tin standby pins 1 amp 3 connected 1 mA Internal Input Capacitance Cha 0 66 pF External Output Capacitance Cout Voa lt 5 0V 06 1000 pF Vo 12V 0 6 330 Isolation Voltage Input output input case 1500 V Capacitance Input to output 1 100 F Resistance Input to output 10 Ma Operating Temperature Range al Over Vin range 40 85 C Storage Temperature Ts 40 125 p Reliability MTBF Per Bellcore TR 332 6 50 stress T 40 C ground benign ol 109 ilig Mechanical Shock Per Mil Std 883D method 2002 3 500 Gs 1mS half sine mounted to a fixture M
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TEXAS INSTRUMENTS SLTS127A Data Sheet

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