Preliminary Datasheet
600mA CMOS LDO REGULATOR WITH ENABLE
Electrical Characteristics
AP2112-1.2 Electrical Characteristic (Note 2)
V
IN
=2.5V, C
IN
=1.0µF (Ceramic), C
OUT
=1.0µF (Ceramic), Typical T
A
= 25°C,
Bold
typeface applies over -40°C≤T
J
≤85°C
ranges, unless otherwise specified (Note 3).
AP2112
Parameter
Output Voltage
Maximum Output
Current
Load Regulation
Line Regulation
Symbol
V
OUT
I
OUT(MAX)
(
△
V
OUT
/V
OUT
)/
△I
OUT
(
△
V
OUT
/V
OUT
)/
△V
IN
Test Conditions
V
IN
=2.5V, 1mA
≤
I
OUT
≤
30mA
V
IN
=2.5V,
V
OUT
=1.182V to 1.218V
V
IN
=2.5V, 1mA
≤
I
OUT
≤600mA
2.5V≤V
IN
≤6V,
I
OUT
=30mA
I
OUT
=10mA
Min
V
OUT
*98.5%
600
Typ
1.2
Max
V
OUT
*101.5%
Unit
V
mA
0.2
0.02
1000
1000
1000
55
0.01
65
65
±100
50
50
1.5
0
20
3.0
±0.1
%/A
%/V
1300
1300
1300
80
1.0
µA
µA
dB
mV
Dropout Voltage
V
DROP
I
OUT
=300mA
I
OUT
=600mA
Quiescent Current
Standby Current
Power Supply
Rejection Ratio
Output Voltage
Temperature
Coefficient
Short Current Limit
RMS Output Noise
V
EN
High Voltage
V
EN
Low Voltage
Start-up Time
EN Pull Down Resistor
V
OUT
discharge
Resistor
Thermal
Shutdown
Temperature
Thermal
Shutdown
Hysteresis
I
Q
I
STD
PSRR
V
IN
=2.5V, I
OUT
=0mA
V
IN
=2.5V, V
EN
in OFF mode
Ripple 0.5Vp-p
V
IN
=2.5V,
I
OUT
=100mA
f=100Hz
f=1KHz
(
△
VOUT/VOUT)/ I
OUT
=30mA
△
T
T
A
=-40°C to 85°C
I
SHORT
V
NOISE
V
IH
V
IL
T
S
R
PD
R
DCHG
T
OTSD
T
HYOTSD
SOT-23-5
Set EN pin at Low
V
OUT
=0V
No Load, 10Hz
≤
f
≤100kHz
Enable logic high, regulator on
Enable logic low, regulator off
No Load
ppm
mA
µV
RMS
6.0
V
0.4
µs
MΩ
Ω
°C
60
160
25
96
75
47
Thermal Resistance
θ
JC
SOIC-8
SOT-89-5
°C /W
Note 2: To prevent the Short Circuit Current protection feature from being prematurely activated, the input
voltage must be applied before a current source load is applied.
Note 3: Production testing at T
A
=25
°C
. Over temperature specifications guaranteed by design only.
Aug. 2010 Rev 1. 0
6
BCD Semiconductor Manufacturing Limited
BCDSEMI [ BCD SEMICONDUCTOR MANUFACTURING LIMITED ]
