SC2612AMSTRT datasheet(1/12 Pages) SEMTECH

Il numero della parte	SC2612AMSTRT

Spiegazioni elettronici	600kHz/200kHz Step-Down DC/DC Converter

PDF	12 Pages

Scroll/Zoom	100%

Produttore elettronici	SEMTECH [Semtech Corporation]

Homepage	http://www.semtech.com

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POWER MANAGEMENT

1

www.semtech.com

SC2612A/C

600kHz/200kHz

Step-Down DC/DC Converter

Features

Applications

August 18, 2004

Typical Application Circuit

Description

The SC2612 is a voltage mode switcher designed for low

cost, “point of use” voltage conversion. SC2612 is avail-

able with fixed switching frequencies of 600kHz

(SC2612A) and 200kHz (SC2612C).

The SC2612 has soft start and enable functions and is

short circuit protected. The output of the switcher may

be set anywhere between 0.8V and 75% of Vin. Short

circuit protection is disabled during start-up to allow the

output capacitors time to fully charge.

u Operating frequency of 600kHz or 200kHz

u Input supply of 3V to 8V

u 0.5A Drive current for up to 10A output

u Output voltages down to 0.8V

u Overcurrent protection and soft start

u MSOP-8 package

Q3

R6

L1

R2

U2

SC2612

4

7

8

3

6

2

1

5

VCC

DH

BST

FB

DL

SS/EN

COMP

GND

C2

R3

R1

R9

C7

C9

C3

R10

C1

1.5V OUT

Q2

12V IN

3.3V IN

C10

C5

u Graphics IC Power supplies

u Embedded, low cost, high efficiency converters

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