ADP1032ACPZ-4-R7 datasheet(23/37 Pages) AD

部件名	ADP1032ACPZ-4-R7

功能描述	Two-Channel, Isolated Micropower Management Unit with Seven Digital Isolators

PDF	37 Pages

Scroll/Zoom	100%

制造商	AD [Analog Devices]

网页	http://www.analog.com

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23 / 37 page

Data Sheet

ADP1032

Rev. 0 | Page 23 of 37

THEORY OF OPERATION

The ADP1032 is a high performance, isolated micro PMU that

combines an isolated flyback regulator and a buck regulator,

providing two isolated power rails. Additionally, the ADP1032

includes seven low power digital isolators in a 41-lead LFCSP

package for channel to channel isolated applications where

power dissipation and board space are at a premium.

VOUT1

VOUT2

MVDD

SVDD2

VINP

SW2

FB1

VOUT1

VOUT2

SYNC

PGNDP

VINP

SLEW

PWRGD

SWP

CIN

CFLYBK

CBUCK

GNDP

SGND1

MVDD

MGPO3

SGPI3

MGPI2

MGPI1

SGPO2

SGPO1

MGND

Tx1

SVDD1

SVDD2

RFT1

RFB1

SVDD1

PWRGD

PG1

PG2

1:1

FEEDBACK

AND

OVER VOLTAGE

CONTROL

FLYBACK

CONTROLLER

PLL

÷2

HIGH

EFFICIENCY

BUCK

MGND

DECODE

ENCODE

DECODE

ENCODE

DECODE

ENCODE

DECODE

MSS

MCK

SSS

SCK

CONTROL

BLOCK

CONTROL

BLOCK

SGND2

÷2

NOTES

1. CFLYBK IS THE FLYBACK REGULATOR OUTPUT CAPACITOR VALUE.

2. CBUCK IS THE BUCK REGULATOR OUTPUT CAPACITOR VALUE.

Figure 66. Simplified Block Diagram

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