ADP151

Data Sheet

Rev. E | Page 6 of 24

PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS

NC = NO CONNECT

TOP VIEW

(Not to Scale)

ADP151

1

2

3

5

4

VIN

GND

EN

VOUT

NC

1

2

A

B

TOP VIEW

(Not to Scale)

VIN

VOUT

EN

GND

ADP151

TOP VIEW

(Not to Scale)

3

1

2

GND

VOUT

NC

4

6

5

EN

VIN

NC

NOTES

1. NC = NO CONNECT. DO NOT CONNECT TO THIS PIN.

2. THE EXPOSED PAD MUST BE CONNECTED TO GROUND.

Figure 4. 5-Lead TSOT Pin Configuration

Figure 5. 4-Ball WLCSP Pin Configuration

Figure 6. 6-Lead LFCSP Pin Configuration

Table 5. Pin Function Descriptions

Pin No.

Mnemonic

Description

TSOT

WLCSP

LFCSP

1

A1

6

VIN

Regulator Input Supply. Bypass VIN to GND with a 1 µF or greater capacitor.

2

B2

3

GND

Ground.

3

B1

4

EN

Enable Input. Drive EN high to turn on the regulator; drive EN low to turn off the regulator.

For automatic startup, connect EN to VIN.

4

N/A

2

NC

No Connect. Not connected internally.

5

A2

1

VOUT

Regulated Output Voltage. Bypass VOUT to GND with a 1 µF or greater capacitor.

N/A

N/A

5

NC

No Connect. Not connected internally.

N/A

N/A

EPAD

Exposed Pad. The exposed pad must be connected to ground. The exposed pad enhances

the thermal performance of the package.