SC1548 データシートの表示（PDF） - Semtech Corporation

部品番号

コンポーネント説明

メーカー

SC1548

Linear FET Controller

Semtech Corporation 

POWER MANAGEMENT

Pin Configuration

Top View

SOT-23-5L

Block Diagram

SC1548

Ordering Information

Part Number(1)(2)

Package

SC1548CSK-X.XTR

SC1548CSKTRT(3)

SOT-23-5

Notes:

(1) Where -X.X denotes voltage options. Available

voltages are: 1.515V (-1.5) and 1.818V (-1.8). Leave blank

for adjustable version.

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

contains 3000 units.

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

RoHS compliant.

Pin Descriptions

Pin Pin Name Pin Function

1

SNS Regulator sense input for fixed output voltage options. Use as a remote sense to the source of the

N-channel MOSFET.

ADJ Regulator sense input for adjustable output voltage version. Set output voltage as follows (refer to

application circuit on page 1):

VO

= 1.263

• 1 +



R1

R2





2

GND Ground.

3

DRV Outp ut o f re g ula to r. D ri ve s the g a te o f a n N-c ha nne l MOS F E T to ma i nta i n the o utp ut

voltage desired.

4

IN

+12V supply.

5

EN

Active high enable control with internal pullup. Output of regulator turns off when EN is

taken low.

 2004 Semtech Corp.

5

www.semtech.com

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