SC4524CSETRT View Datasheet(PDF) - Semtech Corporation

Part Name

Description

MFG CO.

SC4524CSETRT

28V 2A Step-Down Switching Regulator

Semtech Corporation 

Fig.12(b) SS

SC4524C

Typical Performance Characteristics

(For A 24V to 5V/2A Step-down Converter with 1MHz Switching Frequency)

SS270 REV 6-7

TR

Load Characteristic

6

5

4

3

2

1

0

0 0.5 1 1.5 2 2.5 3

Load Current (AF) ig.12(d) OCP

Load Characteristic

24V Input (10V/DIV)

5V Output (2V/DIV)

SS Voltage (1V/DIV)

10ms/DIV

VIN Start up Transient (IO=2A)

5V Output Response (500mV/DIV, AC Coupling)

Inductor Current (1A/DIV)

40us/DIV

Load Transient Response (IO= 0.3A to 2A)

5V Output Short (5V/DIV)

Retry Inductor Current (2A/DIV)

SS Voltage (2V/DIV)

20ms/DIV

Output Short Circuit (Hiccup)

19

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