DS3669 Datasheet, PDF (1/4 Pages) National Semiconductor (TI) – Quad High Current Peripheral Driver

July 1992
DS3669 Quad High Current Peripheral Driver
General Description
The DS3669 is a non-inverting quad peripheral driver similar
to the DS3658 These drivers are designed for those appli-
cations where low operating power high breakdown volt-
age high output current and low output ON voltage are re-
quired A unique input circuit combines TTL compatibility
with high impedance In fact its extreme low input current
allows it to be driven directly by a CMOS device
The outputs are capable of sinking 600 mA each and offer a
70V breakdown However for inductive loads the output
should be clamped to 35V or less to avoid latch-up during
turn off (inductive fly back protection refer AN-213) An on-
chip clamp diode capable of handling 800 mA is provided at
each output for this purpose In addition the DS3669 incor-
porates circuitry that guarantees glitch-free power up or
down operation
The molded package is specifically constructed to allow in-
creased power dissipation over conventional packages The
four ground pins are directly connected to the device chip
with a special copper lead frame When the quad driver is
soldered into a PC board the power rating of the device
improves significantly
Applications
Y _{Relay drivers}
Y _{Lamp drivers}
Y _{Solenoid drivers}
Y _{Hammer drivers}
Y _{Stepping motor drivers}
Y _{Triac drivers}
Y _{LED drivers}
Y _{High current high voltage drivers}
Y _{Level translators}
Y _{Fiber optic LED drivers}
Features
Y _{Single saturated transistor outputs}
Y _{Low standby power 10 mW typical}
Y _{High impedance TTL compatible inputs}
Y _{Outputs may be tied together for increased current}
capacity
Y _{High output current}
600 mA per output
2 4A per package
Y _{No output latch-up at 35V}
Y _{Low output ON voltage (350 mV typ 600 mA)}
Y _{High breakdown voltage (70V)}
Y _{Open collector outputs}
Y _{Output clamp diodes for inductive fly back protection}
Y _{NPN inputs for minimal input currents (1 mA typical)}
Y _{Low operating power}
Y _{Standard 5V power supply}
Y _{Power up down protection}
Y _{2W power package}
Connection Diagram
Dual-In-Line Package
Truth Table
IN
EN
OUT
L
H
L
H
H
Z
L
L
Z
H
L
Z
HeHigh state
LeLow state
ZeHigh impedance state
Top View
Order Number DS3669N
See NS Package Number N16E
TL F 5820 – 1
C1995 National Semiconductor Corporation TL F 5820
RRD-B30M105 Printed in U S A