ADP5052 View Datasheet(PDF) - Analog Devices

Part Name

Description

View to exact match

ADP5052

5-Channel Integrated Power Solution with Quad Buck Regulators and 200 mA LDO Regulator

Analog Devices 

Data Sheet

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

ADP5052

BST3 1

PGND3 2

SW3 3

PVIN3 4

EN5 5

FB5 6

VOUT5 7

PVIN5 8

PVIN4 9

SW4 10

PGND4 11

BST4 12

ADP5052

TOP

VIEW

(Not to Scale)

36 PVIN1

35 PVIN1

34 SW1

33 SW1

32 BST1

31 DL1

30 PGND

29 DL2

28 BST2

27 SW2

26 SW2

25 PVIN2

NOTES

1. THE EXPOSED PAD MUST BE CONNECTED AND

SOLDERED TO AN EXTERNAL GROUND PLANE.

Figure 3. Pin Configuration

Table 6. Pin Function Descriptions

Pin No. Mnemonic Description

1

BST3

High-Side FET Driver Power Supply for Channel 3.

2

PGND3

Power Ground for Channel 3.

3

SW3

Switching Node Output for Channel 3.

4

PVIN3

Power Input for Channel 3. Connect a bypass capacitor between this pin and ground.

5

EN5

Enable Input for Channel 5. An external resistor divider can be used to set the turn-on threshold.

6

FB5

Feedback Sensing Input for Channel 5.

7

VOUT5

Power Output for Channel 5.

8

PVIN5

Power Input for Channel 5. Connect a bypass capacitor between this pin and ground.

9

PVIN4

Power Input for Channel 4. Connect a bypass capacitor between this pin and ground.

10

SW4

Switching Node Output for Channel 4.

11

PGND4

Power Ground for Channel 4.

12

BST4

High-Side FET Driver Power Supply for Channel 4.

13

GND

This pin is for internal test purposes. Connect this pin to ground.

14

EN4

Enable Input for Channel 4. An external resistor divider can be used to set the turn-on threshold.

15

COMP4

Error Amplifier Output for Channel 4. Connect an RC network from this pin to ground.

16

FB4

Feedback Sensing Input for Channel 4.

17, 18, 19 GND

These pins are for internal test purposes. Connect these pins to ground.

20

PWRGD

Power-Good Signal Output. This open-drain output is the power-good signal for the selected channels.

21

FB2

Feedback Sensing Input for Channel 2.

22

COMP2

Error Amplifier Output for Channel 2. Connect an RC network from this pin to ground.

23

EN2

Enable Input for Channel 2. An external resistor divider can be used to set the turn-on threshold.

24, 25

PVIN2

Power Input for Channel 2. Connect a bypass capacitor between this pin and ground.

26, 27

SW2

Switching Node Output for Channel 2.

28

BST2

High-Side FET Driver Power Supply for Channel 2.

29

DL2

Low-Side FET Gate Driver for Channel 2. Connect a resistor from this pin to ground to program the current-limit

threshold for Channel 2.

30

PGND

Power Ground for Channel 1 and Channel 2.

31

DL1

Low-Side FET Gate Driver for Channel 1. Connect a resistor from this pin to ground to program the current-limit

threshold for Channel 1.

32

BST1

High-Side FET Driver Power Supply for Channel 1.

Rev. 0 | Page 9 of 40

Share Link: