IRLR024 Просмотр технического описания (PDF) - International Rectifier

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IRLR024

5-BIT PROGRAMMABLE SYNCHRONOUS BUCK, NON-SYNCHRONOUS, ADJUSTABLE LDO AND 200mA ON-BOARD LDO

International Rectifier 

IRU3007

BLOCK DIAGRAM

V12 28

V5 11

VID0 7

VID1 6

VID2 5

VID3 4

VID4 3

VSEN1 22

Fb3 19

Gate3 18

VSEN2 15

Enable

UVLO

Vset

5Bit

DAC

V12

1.26V

V5

VOUT4 16

Fb4 14

PGood 8

4.3V

1.17Vset

2.5V

1.1Vset

0.9Vset

0.9V

Over

Voltage

Vset

+

Slope

Comp

Enable

PWM

Control

Osc

Enable

Soft

Start &

Fault

Logic

Over

Current

200uA

Slope

Comp

+

2.0V

PWM

Control

Enable

21 Fb1

V12

27 UGate1

V12

25 LGate1

26 Phase1

23 OCSet1

2 Phase2

9 OCSet2

13 Fault / Rt

V12

1 UGate2

24 PGnd

17 Gnd

10 Fb2

12 SS

Figure 2 - Simplified block diagram of the IRU3007.

6

www.irf.com

Rev. 2.1

08/20/02

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