SC1205 데이터 시트보기 (PDF) - Semtech Corporation

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SC1205

High Speed Synchronous Power MOSFET Driver

Semtech Corporation 

SC1205

POWER MANAGEMENT

Pin Configuration

Top View

(SO-8)

Ordering Information

Device (1)

SC1205CS.TR

SC1205CSTRT(2)

Package

SO-8

Temp Range (TJ)

0° to 125°C

Notes:

(1) Only available in tape and reel packaging. A reel

contains 2500 devices.

(2) Lead free product. This product is fully WEEE and

RoHS compliant.

Pin Descriptions

Pin # Pin Name

1 DRN

2 TG

3 BST

4 CO

5 EN

6 VS

7 BG

8 PGND

Pin Function

This pin connects to the junction of the switching and synchronous MOSFET's. This pin

can be subjected to a -2V minimum relative to PGND without affecting operation.

Output gate drive for the switching (high-side) MOSFET.

Bootstrap pin. A capacitor is connected between BST and DRN pins to develop the

floating bootstrap voltage for the high-side MOSFET. The capacitor value is typically

between 0.1µF and 1µF (ceramic).

TTL-level input signal to the MOSFET drivers.

When high, this pin enables the internal circuitry of the device. When low, TG and BG

are forced low and the supply current (5V) is less than 10µA.

+5V supply. A .22-1µF ceramic capacitor should be connected from 5V to PGND very

close to this pin.

Output drive for the synchronous (bottom) MOSFET.

Ground.

NOTE:

(1) All logic level inputs and outputs are open collector TTL compatible.

 2004 Semtech Corp.

5

www.semtech.com

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