SC1437ISK-H42TR Ver la hoja de datos (PDF) - Semtech Corporation

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Fabricante

SC1437ISK-H42TR

Precision Voltage Detector With Programmable Trigger Voltage & Timer Delay

Semtech Corporation 

POWER MANAGEMENT

Pin Configuration

Top View

SEL 1

V- 2

5 V+

OV 3

4 SENSE

SC1437

Ordering Information

DEVICE(1)

PACKAGE

SC1437ISK-BXXTR

SOT-23-5L

SC1437ISK-HXXTR

SOT-23-5L

SC1437ISK-LXXTR

SOT-23-5L

Notes:

(1) Where XX = 42 (4.2V), 45 (4.5V), 47 (4.7V)

Only available in tape and reel packaging.

A reel contains 3,000 devices.

SOT-23-5L

Marking Information

Top Mark

7B45

Bottom Mark

yyww

7 = SC1437 Device

Output Option: B = Output active low

L = Output active high

H = Output active high, with open drain

Voltage Option: 42 = 4.2V; 45 = 4.5V; 47 = 4.7V

yy = two-digit year of manufacture

ww = two-digit week of manufacture

Pin Descriptions

Pin #

1

2

3

4

5

Pin Name

SEL

V-

OV

SENSE

V+

Pin Function

Input for timer delay selection (V+, gnd or no connect).

Negative terminal of charger.

Over-voltage output. Active low for version B. Active high for versions H & L.

Voltage divider input for adjusting over voltage trip point. Tie to V- for voltage monitor

configuration.

Input supply pin.

 2000 Semtech Corp.

3

www.semtech.com

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