Diodes AP2138/2139 - Manual (Page 2)

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