IRU3037(2003) Просмотр технического описания (PDF) - International Rectifier

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Компоненты Описание

производитель

IRU3037
(Rev.:2003)

8-PIN SYNCHRONOUS PWM CONTROLLER

International Rectifier 

IRU3037 / IRU3037A

TYPICAL APPLICATION

1.8V to 7.5V / 0.5A Boost Converter

Vpwr (1.5V Min)

L1

1uH (CoilTronics UP2B-1R0)

Vc/Vcc

C1

2x 68uF

VOUT

C5

1uF

D1

1N5817

(7.5V / 0.5A)

R1

20K

R2

Q2

10K

2N2222

Q1

2N2222

R3

20K

C10

100pF

C4

0.01uF

R4

25K

C5

0.1uF

SS/SD Comp Vc HDrv

U1

IRU3037

Fb Vcc LDrv Gnd

Q3

IRF7402

C9

2x 47uF

R5

1K, 1%

C8

1uF

R6

5K, 1%

Gnd

Figure 20 - Typical application of IRU3037 as a boost converter.

16

www.irf.com

Rev. 2.8

05/10/04

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