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DS3669 Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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DS3669 Datasheet(HTML) 1 Page - National Semiconductor (TI) |
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1 / 4 page  TLF5820 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 protectionrefer 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 24A 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 updown protection Y 2W power package Connection Diagram Dual-In-Line Package TLF5820 – 1 Top View Order Number DS3669N See NS Package Number N16E Truth Table IN EN OUT LH L HH Z LL Z HL Z HeHigh state LeLow state ZeHigh impedance state C1995 National Semiconductor Corporation RRD-B30M105Printed in U S A |
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