ADP3025 查看數據表（PDF） - Analog Devices

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ADP3025

High Efficiency Dual Output Power Supply Controller

Analog Devices 

ADP3025

INPUT

PGND

VIN

30

ADP3025

OC

72mV

–+

CS5

1

5V

2.5V

SD 33

INTVCC1

31

+5V

LINEAR REG

14mV

–+

11

INTVCC2

8

REF

800mV

REF

UVLO

CLSET5

7

AGND

9

PFO 20

PFI 19

–

0.8V +

E SYNC 12

T PWRGD 21

3.3V

CPOR

22

E DRV2

25

200kHz/

300kHz/

OSC

POWER- FB5

ON

RESET

1µA

L FB2

24

–

gm

×1

0.8V +

O COMP2/SD2 23

CONTROL

LOGIC

INTVCC

–3mV

816mV

800mV

792mV

EA 800mV

SHUTDOWN

SS

BQ

OR

960mV

640mV

0.7µA

OC

1.8V

2.1µA

BST5

38

DRVH5

37

36 SW5

DRVL5

35

PGND1

34

PGND2

32

FB5

2

EAN5

3

EAO5

4

5 ADJ/FX5

SS5

6

VOUT5

5V

0.6V

DUPLICATE FOR SECOND CONTROLLER

Figure 3. Block Diagram (All Switches and Components Shown for Fixed Output Operation)

Rev. A | Page 8 of 24

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