SC2447 View Datasheet(PDF) - Semtech Corporation

Part Name

Description

Manufacturer

SC2447

Dual-Phase, Single or Dual Output Synchronous Step-Down Controller

Semtech Corporation 

POWER MANAGEMENT

Block Diagram

2.85V

-

+

SS/EN

UV

9.5uA

0.5V/3.2V

-

+

0.8V

(0.6V min.)

17.0uA

46.5uA

S

Q

R

R

Q

S

S

Q

R

SC2447

OL

COMP

SSL

DSBL

TGON

CLK

OC

Figure 4. Soft-Start and Overload Hiccup Control Circuit

© 2006 Semtech Corp.

12

www.semtech.com

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