IRU3037(2003) 查看數據表（PDF） - International Rectifier

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IRU3037
(Rev.:2003)

8-PIN SYNCHRONOUS PWM CONTROLLER

International Rectifier 

IRU3037 / IRU3037A

TYPICAL APPLICATION

Single Supply 5V Input

D3

1N4148

D1

1N4148

D2

1N4148

C3

C4

C5

1uF

1uF

0.1uF

L1

1uH

C2

2x 10TPB100ML,

100uF, 55mV

C8

0.1uF

C9

680pF

R4

105K

Vcc Vc

HDrv

SS/SD U1

IRU3037

LDrv

Comp

Fb

Gnd

Q1

1/2 of IRF7301

L2

D05022P-103, 10uH, 4.3A

Q2

1/2 of IRF7301

R5

1K, 1%

R6

1.65K, 1%

5V

C1

47uF

Tantalum

3.3V

@ 4A

C7

2x 6TPC150M,

150uF, 40mV

Figure 18 - Typical application of IRU3037 in an on-board DC-DC converter

using a single 5V supply.

14

www.irf.com

Rev. 2.8

05/10/04

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