
Data Sheet
2A CMOS LDO Regulator AP2132
Oct. 2010 Rev. 1. 2 BCD Semiconductor Manufacturing Limited
6
Electrical Characteristics
V
IN
=V
OUT
+0.5V, V
CTRL
=V
EN
=5V, T
A
=25
o
C, C
IN
=C
OUT
=10µF, C
CTRL
=1µF, I
OUT
=10mA, Bold typeface applies
-40
o
C≤T
A
≤85
o
C unless otherwise specified.
Parameter Symbol Conditions Min Typ Max Unit
Output Voltage V
OUT
V
IN
= V
OUT
+0.5V,
I
OUT
=10mA
V
OUT
×
98%
V
OUT
×
102%
V
Input Voltage V
IN
1.4 5.5 V
Max. Output Current I
OUT
(max)
V
IN
– V
OUT
= 1V,
V
OUT
=98%×V
OUT
2 A
Load Regulation V
RLOAD
V
IN
=V
OUT
+0.5V, 10mA≤I
OUT
≤2A 10 mV
Line Regulation V
RLINE
V
OUT
+ 0.5V≤V
IN
≤5V,
I
OUT
= 10mA
2 mV
I
OUT
=500mA 80 120 mV
I
OUT
=1A 150 200 mV
Dropout Voltage V
DROP
I
OUT
=2A 300 450 mV
Supply Current I
SUPPLY
V
IN
=V
OUT
+0.5V, I
OUT
=0mA 300
µA
I
CTRLH
V
IN
= V
OUT
+0.5V, V
CTRL
=V
EN
=5V 250 500
µA
VCTRL Current
I
CTRLL
V
IN
=V
OUT
+0.5V, V
CTRL
=5V,
V
EN
=0V
0.1 1
µA
f=100Hz 60 dB
Power
Supply
Rejection Ratio
PSRR
Ripple 0.5Vp-p,
V
IN
=V
OUT
+1V
f=1kHz 60 dB
Output. Voltage
Temperature
Coefficient
V△
OUT
V
OUT
× T△
I
OUT
=10mA, -40
o
C≤T
A
≤85
o
C ±100
ppm/
o
C
Reference Voltage V
REF
Adjust Short to V
OUT
0.588 0.6 0.612 V
Enable “High”
Voltage
Enable Input Voltage “High” 1.5 V
Enable “Low” Voltage Enable Input Voltage “Low” 0.4 V
Thermal Shutdown OTSD 165
o
C
Thermal Shutdown
Hysteresis
20
o
C
V
OUT
Power
Good Voltage
V
THPG
92 %
V
PG
Hysteresis 7 %
Adjust Pin Threshold 200 mV
Thermal Resistance
(Junction to Case)
θ
JC
PSOP-8 40 ºC/W
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