STM802 ST Microelectronics, Inc., STM802 Datasheet

STM802

Manufacturer Part Number

STM802

Description

Solenoid Controller ic

Manufacturer

ST Microelectronics, Inc.

Datasheet

1.STM802.pdf (8 pages)

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Download datasheet (147Kb)

DESCRIPTION

This circuit is basically switch mode current

regulator with 2 modes (In-rush and Holding).

In-rush current occurs in the first 64 ms of each

ORDERING CODES

October 2003

STM802BDR

STM802BD

WIDE SUPPLY VOLTAGE RANGE: 8 TO 35V

BUILD-IN GATE DRIVE VOLTAGE CLAMP

TYP. 11V

LOGIC CONTROLLED ENABLING CIRCUIT

DIGITAL IN-RUSH TIMER

BUILT-IN POWER-ON RESET

INTERNALLY TRIMMED TIMING

OSCILLATOR

NO EXTERNALLY TIMING CAPACITORS

NEEDED

FIXED IN-RUSH/HOLD CURRENT RATIO

LOW DROP CURRENT SENSING

RESISTOR

INTEGRATED FILTER IN THE FEEDBACK

LOOP (TIME COSTANT OF 2µs TYP.)

SO-8 PACKAGE

Type

Temperature

-40 to 85 °C

Range

SO-8 (Tape & Reel)

SO-8 (Tube)

Package

SOLENOID CONTROLLER IC

on/off cycle with the rise time dependent on the

coil’s resistance and inductance. The Hold-current

is a partition of the In-rush current fixed by the

ratio between V

for enabling and disabling the gate control output

for the external power MOS. The MOS transistor

must be chosen according to the supply voltage

range and the current flowing through the

solenoid.

100 parts per tube / 20 parts per box

and V

SO-8

2500 parts per reel

. A control pin is provided

Comments

STM802

1/8

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