SC4624MLTRT View Datasheet(PDF) - Semtech Corporation

Part Name

Description

MFG CO.

SC4624MLTRT

Low Input Voltage, High Efficiency, 4A Integrated FET Synchronous Step down DC/DC Regulator

Semtech Corporation 

Prev 11 12 13 14 15 16 17 18 19 20

SC4624

POWER MANAGEMENT

OAppelriac5taiotinon Information (Cont4.)

3

2

5VIN, 1VOUT, 4A, all ceramic capacitors ( application circuit#1 )

5Vin

R5

R6

R2

D

10k

10k

10R

C6

C3

U1

1nF

1uF

5 VCC

VCC 12

6 PGOOD

AGND 13

14 SYNC/EN

FS 4 R11

47.5k

C1 2.2pF

7 NC

SS 3

C7 47nF

C

1Vout@4A

C8

R1

C2

10 COMP

20k

390pF

L1

1.8uH

11 FB

17 PH1

NC 9

ISET 2

PVIN1 1

C5 opt

R3

30k

C4

22uF

270pF

R8

2.32k

R7

28.7k

18 PH2

19 PH3

8 NC

PVIN2 20

PGND1 15

PGND2 16

C9

22uF

R9

B

(2)

R12

28.7k

MLB-160808-0600R-S2

SC4624

C11

R4

VIN=5V; Vout=1V/4A

Switching Frequency=550kHz

L1: TOKO D104C(919AS-1R8N)

(1) opt

opt

Note: (1,2) Option for stability

R12: Multilayer chip inductors; MLB-160808-0600R-S2

Input(C9)/Output Capacitors(C4): Panasonic ECJ33YBOJ226M(22uF/6.3V)

A

Title SC4624 Application

Size

Document Number

Custom

Date:

Monday, June 25, 2007

Sheet

5

4

3

2

 2008 Semtech Corp.

17

www.semtech.com

Share Link: