© Semiconductor Components Industries, LLC, 2001

April, 2001 – Rev. 5

1

Publication Order Number:

CS1107/D

CS1107

Single Relay Driver IC

This ASIC provides up to 350 mA of drive current for driving a

relay. On–chip diagnostic features include open and short circuit

detection in the on state, duty cycle current limit control, and thermal

shutdown. Faults are reported on the Fault lead. Fault is an active–low

output. An on–chip zener provides protection from flyback pulses

from the relay. Internal pull–down circuitry is provided to ensure the

output pin turns off when the Control pin is floating.

Features

GND

33 V

Control

Output

Short Circuit

Detect

Figure 1. Block Diagram

Drive &

Bias

Open Circuit

Detect

Duty cycle

during short

circuit

Overtemp

Shutdown

GND

GND

GND

Fault

+

+

–

–

http://onsemi.com

Device

Package

Shipping

ORDERING INFORMATION

CS1107EDF8

SO–8

95 Units/Rail

CS1107EDFR8

SO–8

2500 Tape & Reel

A

= Assembly Location

WL, L

= Wafer Lot

YY, Y

= Year

WW, W = Work Week

SO–8

DF SUFFIX

CASE 751

1

8

GND

Control

1

8

GND

Fault

GND

GND

Output

PIN CONNECTIONS AND

MARKING DIAGRAM