CS1108 datasheet(2/4 Pages) CHERRY

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Electrical Characteristics: 4.75V ² VCC ² 5.25V, -40¡C ² TA ² 85¡C; -40¡ ² TJ ² 150¡C

Package Pin Description

PACKAGE PIN #

PIN SYMBOL

FUNCTION

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

8 Lead SO Narrow

Output

Open collector output.

2VCC

5V regulated supply input.

Open collector diagnostic output low during open

load, short circuit and overtemperature conditions.

Control

TTL compatible input.

5, 6, 7, 8

Ground

Signal ground.

Fault

s Supply Requirements

VCC Quiescent Current

Output ON

VCC Quiescent Current

Output OFF

100

250

µA

s Output

Leakage Current

VBAT =14V

100

µA

Saturation Voltage

I OUTPUT = 350mA

1.1

1.5

I OUTPUT = 180mA

0.9

1.3

VOUTPUT (self-bias)

VCC < 4.5V, I OUTPUT < 200mA

3.5

s Current Sense

Short Circuit Current

350

500

650

Open Circuit Current

Output in the ON state

s Control - Input

Input Voltage

Logic = High

2.0

Logic = Low

0.8

Input Current

Logic = VCC

µA

Logic = 0V

-50

-20

µA

s Fault Output - (Open Collector)

Output Low Voltage

I FAULT = 250µA (sink)

0.24

0.40

s Overtemperature Shutdown

TJ Output Disable Threshold

(guaranteed by design)

150

180

ûC

TJ Hysteresis

(guaranteed by design)

ûC

Note: A fault signal will be shown (at the fault pin) during inrush as the short circuit threshold is exceeded.

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