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

Timing Chart

3.2V

Enable Hiccup

2.85V

1.50V

1.25V

0.8V

0.5V

0V

0.5V

Reference Voltage

Min.(VREF, VREFSS)

0V

0V

0V

t7

GDH i n high impedance state

t8 t9

t10 t11 t12 t13

SC2447

VSS/EN

Enable Hiccup

VCOMP

VIN-

GDH

GDL

t14

t15

Figure 7. SC2447 Overload Hiccup Operation Timing Diagram

© 2006 Semtech Corp.

14

www.semtech.com

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