Pin configuration, Pin description – Diodes AP2138/2139 User Manual

Page 2

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ULTRA LOW QUIESCENT CURRENT CMOS LDO AP2138/2139

Data Sheet

2

Jul. 2012 Rev. 2. 3

BCD Semiconductor Manufacturing Limited

Figure 2. Pin Configuration of AP2138/2139 (Top View)

Pin Configuration

(SOT-23-3)

N Package

V

IN

GND

V

OUT

(SOT-23-5)

K Package

NC

GND

CE

V

OUT

V

IN

Pin Description

Pin Number

Pin Name

Function

SOT-23-3 SOT-89 (R)

SOT-89 (RA) SOT-23-5

1

1

2

2

GND

Ground

2

3

1

5

V

OUT

Regulated output voltage

3

2

3

1

V

IN

Input voltage

3

CE

Active high enable input. Logic high=enable, logic
low=shutdown

4

NC

No connection

1

2

3

GND

V

OUT

V

IN

3

2

1

1

2

3

4

5

(SOT-89)

R Package

1

2

3

GND

V

OUT

V

IN

(SOT-89)

RA Package

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