ST TDE1747 handbook
Contents
1. 3 1 1 Absolute maximum ratings 3 1 2 Thermal AME mat RE X a 3 2 Electrical characteristics 4 3 Pin connections and schematic diagrams 5 4 Typical characteristics 7 5 Typical applications 4 EEN NEE RE t RR RR 10 6 Waveforms AN EEN EN AA sa pa 12 7 Package mechanical data 13 8 REVISION history iaa nak oma cee en aa Lo RRE NC 16 2 17 1 747 Maximum ratings 1 Maximum ratings 1 1 Absolute maximum ratings Table 1 Absolute maximum ratings Symbol Parameter Value Unit Vee Supply voltage 50 1 Vi Input voltage 50 Vum Differential input voltage 50 Output current 1 A Prot Power dissipation Ta 25 C Internally Limited W Operating Free air Temperature Range 2510 85 Storage temperature range 65 to 150 1 60 1 lt 10 1 2 Thermal data Table 2 Thermal data Symbol Description Value Unit Thermal Resistance Junction ambient 120 C W Thermal Resistance Junction case 50 C W Rin Junction ceramic Substrate case glued to substrate SO14 90 C W Rin Junction ceramic Substrate case glued to substrate substrate 65 C2. INVERTING INPUT J 2 7 LJ Ucc NON INVERTING INPUT 3 6 D SE s 5 output N C MIITOE 1747 83 NON INVERTING INPUT GND 9170 1747 82 Figure 2 Schematic diagram Vee 010 Ri R3 R4 R7 R6 Nal 914 Le Ha19 015 015 Le es 018 022 623 Pa 620 Non inverting e input Goa E DL 02 4 Pa 021 5 Ki E O 023 u Inverting input limit oa Vsense ke Input Q9 D3 Pa 05 027 R10 T 1926 D4 07 Q8 011 012 el R13 Ss 02 R14 R15 CIGND 4 Pin connections and schematic diagrams TDE1747 Figure Test circuit 24V 10KQ V sense Rsc TDE1747 800 1KQ Figure 4 Simplified schematic Vee Inverting input Current limiting Non inverting input Thermal protection Esc Output Ri GND d 6 17 TDE1747 Typical characteristics 4 Typical characteristics Figure 5 Available output current vs Figure 6 Peak short circuit vs limiting resistors limiting resistor lt E 2 m 0 8 9 55
3. Min Typ Max Min Typ Max A 3 32 0 131 al 0 51 0 020 1 15 1 65 0 045 0 065 b 0 356 0 55 0 014 0 022 bi 0 204 0 304 0 008 0 012 D 10 92 0 430 7 95 9 75 0 313 0 384 2 54 0 100 7 62 0 300 4 7 62 0 300 6 6 0 260 5 08 0 200 L 3 18 3 81 0 125 0 150 1 52 0 060 Figure 21 Package dimensions bi a 15 17 Revision history TDE1747 8 16 17 Revision history Table 6 Revision history Date 20 Sep 2006 Revision 1 New template Changes 4 1 747 Please Read Carefully Information in this document is provided solely in connection with ST products STMicroelectronics NV and its subsidiaries ST reserve the right to make changes corrections modifications or improvements to this document and the products and services described herein at any time without notice All ST products are sold pursuant to ST s terms and conditions of sale Purchasers are solely responsible for the choice selection and use of the ST products and services described herein and ST assumes no liability whatsoever relating to the choice selection or use of the ST products and services described herein No license express or implied by estoppel or otherwise to any intellectual property rights is granted under this document If any part of this document refers to any third party products or services it shall not be deemed a license gra
4. 571 TDE1747 Interface circuit relay and lamp driver Features Open ground protection High output current Adjustable short circuit protection to ground Thermal protection with hysteresis to avoid the intermediate output levels m Large supply voltage range 8V to 45V m Short circuit protection to Description The TDE1747 is a monolithic comparator designed for high current and high voltage applications specifically to drive lamps relays stepping motors This device is essentially blow out proof Current limiting is available to limit the peak output current to safe values Adjustment only requires one external resistor In addition thermal shut down is provided to keep the IC from overheating If internal dissipation becomes too high the driver will shut down to prevent excessive heating TDE1747 has an open ground protection The output is also protected from shortcircuits with the positive power supply The device operates over a wide range of supply voltages from standard 15V operational amplifier supplies down to the single 12 or 24 used for industrial electronic systems Order codes Part number Temp range Package Packing TDE1747DP 25 C to 85 C DIP 8 Tube TDE1747FP 25 C to 85 C 014 Tube TDE1747FPT 25 C to 85 C 014 and reel September 2006 Rev 1 1 17 www st com TDE1747 Contents 1 Maximum ratings
5. E SS 0 6 Or 5 o0 T 5 x 0 2 A 0 1 2 3 4 5 6 7 LIMITING RESISTOR 0 LIMITING RESISTOR 0 Figure 7 Short circuit current vs Figure 8 Minimum limiting resistor value vs case temperature supply voltage SHORT CIRCUIT CURRENT A NEM ED Thermal 1 SC protection j Ww An 0 5 50 R SC 3529 AA 0 1 L 1 25 0 25 75 120 175 CASE TEMPERATURE C 25 lt Tease lt 125 C 29 W HERD 1 2 3 SUPPLY VOLTAGE LIMITING RESISTOR 0 4 7 17 Typical characteristics TDE1747 Figure 9 Output current vs Figure 10 Supply current vs supply voltage output saturation voltage 5 Tj 25 5 gt 5 5 e a enen o E 4 o Ke 1 D UNT 1 2 H 1 2 E 0 OUTPUT CURRENT mA SUPPLY VOLTAGE Figure 11 Supply current vs Figure 12 Safe operating area junction temperature not repetitive surge E lt 5 5 tc 2 5 a 5 2 e 3 0 25 50 75 100 125 JUNCTION TEMPERATURE C SUPPLY VOLTAGE 8 17 y TDE1747 Typical characteristics Figure 13 Response time INPUT VOLTAGE IV OUTPUT VOLTAGE VI 0 6 TIME us INPUT VOLTAGE V O
6. W temperature maintained constant S014 3 17 Electrical characteristics TDE1747 2 Electrical characteristics Ty 25 to 85 C 8 to 45 V unless otherwise specified note 1 Table 3 Electrical characteristics Symbol Parameter Min Typ Max Unit Vio Input offset voltage 2 2 50 mV lig Input bias current 0 1 1 5 mA Supply Current Vcc 24V lo 0 lcc High level 4 6 mA Low level 2 4 Common mode input voltage range 2 2 V Short circuit Current Limit TA 25 C Voc 24V Rsc 1 50 480 Rgc 35 50 Output saturation voltage output low V V Vr gt 50mV Hsc 0 300 corn Ty 25 C 1 15 1 4 V TA 25 1 05 1 3 Output leakage current output high lo Vo 0 24V 25 C 0 01 10 uA 1 Foroperating at high temperature the TDE1747 must be derated based on a 150 maximum junction temperature and junction ambient thermal resistance of 120 C W for DIP 8 and 100 C W for the 014 2 The offset voltage given is the maximum value of input voltage required to drive the output voltage within 2V of the ground or the supply voltage 4 17 d TDE1747 Pin connections and schematic diagrams 3 Pin connections and schematic diagrams Figure 1 Pin connections top views N C N C N C Di
7. the inner box label in compliance with JEDEC Standard JESD97 The maximum ratings related to soldering conditions are also marked on the inner box label ECOPACK is an ST trademark ECOPACK specifications are available at www st com 13 17 4 Package mechanical data TDE1747 Table 4 014 Mechanical data mm Inch Dim Min Typ Max Min Typ Max A 1 35 1 75 0 053 0 069 Al 0 10 0 30 0 004 0 012 A2 1 10 1 65 0 043 0 065 B 0 33 0 51 0 013 0 020 0 19 0 25 0 007 0 01 8 55 8 75 0 337 0 344 3 80 4 0 0 150 0 157 1 27 0 050 5 8 6 20 0 228 0 244 h 0 25 0 50 0 01 0 02 L 0 40 1 27 0 016 0 050 k 0 min 8 max ddd 0 10 0 004 1 D dimension does not include mold flash protusions or gate burrs Mold flash protusions or gate burrs shall not exceed 0 15mm per side Figure 20 Package dimensions D a hx45 CH V y 1 ja gt O CA ddd SEATING PLANE 0 25 mm C PLANE 0016019 D 14 17 ky TDE1747 Package mechanical data Table 5 DIP 8 Mechanical data mm Inch Dim
8. UTPUT VOLTAGE VI TIME 9 17 Typical applications TDE1747 5 Typical applications Figure 14 Base circuit Vee Vo Vee TDE1 747 aante 1 50 a Ear d Figure 15 Output current extension 5A OVce 50 BDX66 Vec 747 M sense WO 0 10 GND C 7nF Ri 0 10 17 a Typical applications TDE1747 Figure 16 Driving low impedance relays lo 300mA Vee V V rei O u 7 6 Va in d GND Vi Vi O Vo A Zi x LOAD y Vz 11 17 a Waveforms TDE1747 6 Waveforms Figure 17 Input current vs time Vi val VaL Figure 18 Response time with zener diode Vee Vsat Figure 19 Response time without zener diode _ VCC Visat X N V tt t s nw 0000 0 4 29940999 0v bod bee t D 65 12 17 d TDE1747 Package mechanical data 7 Package mechanical data In order to meet environmental requirements ST offers these devices in ECOPACK packages These packages have a Lead free second level interconnect The category of second level interconnect is marked on the package and on
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10. or registered trademarks of ST in various countries Information in this document supersedes and replaces all information previously supplied The ST logo is a registered trademark of STMicroelectronics All other names are the property of their respective owners 2006 STMicroelectronics All rights reserved STMicroelectronics group of companies Australia Belgium Brazil Canada China Czech Republic Finland France Germany Hong Kong India Israel Italy Japan Malaysia Malta Morocco Singapore Spain Sweden Switzerland United Kingdom United States of America www st com 4 17 17
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ST TDE1747 handbook