Owner's manual

17
Jul. 2012 Rev. 2. 3 BCD Semiconductor Manufacturing Limited
Data Sheet
ULTRA LOW QUIESCENT CURRENT CMOS LDO AP2138/2139
Typical Performance Characteristics
Figure 4. Output Voltage vs. Input Voltage Figure 5. Output Voltage vs. Junction Temperature
Figure 6. Output Voltage vs. Output Current
Figure 7.
Quiescent Current vs. Input Voltage
-40-200 20406080100120
3.20
3.22
3.24
3.26
3.28
3.30
3.32
3.34
3.36
3.38
3.40
AP2138-3.3
Output Voltage (V)
Junction Temperature(
o
C)
I
OUT
=10mA
I
OUT
=100mA
I
OUT
=150mA
I
OUT
=200mA
I
OUT
=250mA
0 25 50 75 100 125 150 175 200 225 250
3.20
3.22
3.24
3.26
3.28
3.30
3.32
3.34
3.36
3.38
3.40
AP2138-3.3
V
IN
=4.3V
T
J
=25
o
C
Output Voltage (V)
Output Current (mA)
012345678
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
AP2138-3.3
No Load
T
J
=-40
o
C
T
J
=25
o
C
T
J
=85
o
C
Quiescent Current(μA)
Input Voltage (V)
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
AP2138-3.3
No load
T
J
=-40
o
C
T
J
=25
o
C
T
J
=85
o
C
Output Voltage (V)
Input Voltage (V)