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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