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Partno	Mfg	Dc	Qty	Available	Descript
TDE1737	ST	N/a	35	avai	INTERFACE CIRCUIT

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TDE1737
INTERFACE CIRCUIT
TDE1737
TDF1737
October 1991
INTERFACE CIRCUIT - RELAY AND LAMP-DRIVER HIGH OUTPUT CURRENT. ADJUSTABLE SHORT-CIRCUIT PROTEC-
TION. THERMAL PROTECTION WITH HYSTERESIS
TO AVOID THE INTERMEDIATE OUTPUT LEV-
ELS. LARGE SUPPLY VOLTAGE RANGE : + 8 V to
+ 45 V
DESCRIPTION
The TDE1737-TDF1737 is a monolithic amplifier
designed for high current and high voltage applica-
tions, 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 ex-
ternal resistor. In addition, thermal shut down is pro-
vided 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.
ORDER CODES
PIN CONNECTIONS (top views)
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ABSOLUTE MAXIMUM RATINGS
THERMAL CHARACTERISTICS
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
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. Devices bonded on a 40 cm2 glass-epoxy printed circuit 0.15 cm thick with 4 cm2 of cooper.
TDE1737 - TDF1737
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SCHEMATIC DIAGRAM
SIMPLIFIED SCHEMATIC
TYPICAL APPLICATION -
TDE1737 - TDF1737
3/7
TDE1737 - TDF1737
4/7
SO14 PACKAGE MECHANICAL DATA
TDE1737 - TDF1737
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MINIDIP PACKAGE MECHANICAL DATA
TDE1737 - TDF1737
6/7

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