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| TDE1737 TDF1737 INTERFACE CIRCUIT - RELAY AND LAMP-DRIVER .HI .ADJUSTABLE .THERMAL .LARGE GH OUTPUT CURRENT SHORT-CIRCUIT PROTECTION PROTECTION WITH HYSTERESIS TO AVOID THE INTERMEDIATE OUTPUT LEVELS SUPPLY VOLTAGE RANGE : + 8 V to + 45 V SO14 FP SUFFIX DESCRIPTION The TDE1737-TDF1737 is a monolithic amplifier designed for high current and high voltage applications, specifically to drive lamps, relays and control of stepper motors. This device is essentially blow-out proof. Current limiting is available to limit the peak output current to a safe value, the adjustment only requires one external resistor. In addition, thermal shut down is provided to keep the I.C. from overheating. If internal dissipation becomes too great, the driver will shut down to prevent excessive heating. The output is also protected against short-circuits with the positive power supply. The device operates over a wide range of supply voltages from standard 15 V operational amplifier supplies down to the single + 12 V or + 24 used for industrial electronic systems. PIN CONNECTIONS (top views) SO-14 MINIDIP DP SUFFIX ORDER CODES Part Number Temperature Range Package DP * * FP * * TDE1737 - 25 C to + 85 C TDF1737 - 40 C to + 85 C Example : TDE1737DP MINIDIP October 1991 1/7 TDE1737 - TDF1737 ABSOLUTE MAXIMUM RATINGS Symbol Vs VI VID IO Ptot Toper Toper Tstg Supply Voltage Input Voltage Differential Input Voltage Output Current Power Dissipation Operating Free-air Temperature Range for TDE1737 Operating Free-air Temperature Range for TDF1737 Storage Temperature Range Parameter Value 50 50 50 1000 Internally Limited - 25 to + 85 - 40 to + 85 - 65 to + 150 Unit V V V mA W C C C THERMAL CHARACTERISTICS Symbol Rth(j-c) Rth(j-a) Parameter Maximum Junction-case Thermal Resistance Maximum MINIDIP Junction-ambient Thermal Value 50 120 90 Unit C/W C/W C/W MINIDIP Resistance SO14 Junction-ceramic Substrate (case glued to substrate) ELECTRICAL CHARACTERISTICS TDE1737 - 25 C Tamb + 85 C, + 8 V VCC + 45 V, IO 300 mA, Tj + 150 C (unless otherwise specified) TDF1737 - 40 C Tamb + 85 C, + 8 V VCC + 45 V, IO 300 mA, Tj 150 C Symbol VIO IIB ICC VCM ISC Input Bias Current Supply Current (VCC = + 24 V, IO = 0) Common-mode Input Voltage Range Short-circuit Current Limit (RSC = 1.5 , Tcase = + 25 C) Parameter Input Offset Voltage - (note 1) Min. - - - 2 - - - Typ. 2 0.1 3 - 500 1 - Max. 50 1.5 5 VCC-2 - 1.5 10 Unit mV A mA V mA V A VCC-VO Output Saturation Voltage (output low) (VI + - VI - 50 mV IO = 300 mA, RSC = 0) IOL Output Leakage Current (output high) (VO = VCC = + 24 V, Tamb = + 25 C) Notes : 1. The offset voltage given is the maximum value of input voltage required to drive the output voltage within 2 V of the ground or the supply voltage. 2. Devices bonded on a 40 cm 2 glass-epoxy printed circuit 0.15 cm thick with 4 cm2 of cooper. 2/7 TDE1737 - TDF1737 SCHEMATIC DIAGRAM SIMPLIFIED SCHEMATIC TYPICAL APPLICATION - 3/7 TDE1737 - TDF1737 4/7 TDE1737 - TDF1737 SO14 PACKAGE MECHANICAL DATA DIM. MIN. A a1 a2 b b1 C c1 D E e e3 F L M S 3.8 0.4 8.55 5.8 1.27 7.62 4.0 1.27 0.68 8 (max.) 0.15 0.016 8.75 6.2 0.35 0.19 0.5 45 (typ.) 0.336 0.228 0.050 0.300 0.157 0.050 0.027 0.344 0.244 0.1 mm TYP. MAX. 1.75 0.25 1.6 0.46 0.25 0.014 0.007 0.020 0.004 MIN. inch TYP. MAX. 0.069 0.009 0.063 0.018 0.010 5/7 TDE1737 - TDF1737 MINIDIP PACKAGE MECHANICAL DATA DIM. MIN. A a1 B b b1 D E e e3 e4 F I L Z 3.18 7.95 2.54 7.62 7.62 6.6 5.08 3.81 1.52 0.125 0.51 1.15 0.356 0.204 1.65 0.55 0.304 10.92 9.75 0.313 0.100 0.300 0.300 0.260 0.200 0.150 0.060 mm TYP. 3.32 0.020 0.045 0.014 0.008 0.065 0.022 0.012 0.430 0.384 MAX. MIN. inch TYP. 0.131 MAX. 6/7 TDE1737 - TDF1737 Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. SGS-THOMSON Microelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of SGS-THOMSON Microelectronics. (c) 1994 SGS-THOMSON Microelectronics - All Rights Reserved SGS-THOMSON Microelectronics GROUP OF COMPANIES Australia - Brazil - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco - The Netherlands - Singapore Spain - Sweden - Switzerland - Taiwan - Thaliand - United Kingdom - U.S.A. 7/7 |
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