Data Sheet

ADP151

PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS

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Rev. J | 6 of 23

Figure 4. 5-Lead TSOT Pin Configuration

Figure 5. 4-Ball WLCSP Ball 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 and drive EN low to turn off the regulator. For

automatic startup, connect EN to VIN.

4

Not applicable

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.

Not applicable

Not applicable

5

NC

No Connect. Not connected internally.

Not applicable

Not applicable

EPAD

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

thermal performance of the package.