Preliminary Datasheet
600mA CMOS LDO REGULATOR WITH ENABLE AP2112
Electrical Characteristics
AP2112-1.2 Electrical Characteristic (Note 2)
VIN=2.5V, CIN=1.0µF (Ceramic), COUT=1.0µF (Ceramic), Typical TA= 25°C, Bold typeface applies over -40°C≤TJ≤85°C
ranges, unless otherwise specified (Note 3).
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
VOUT
*98.5%
VOUT
*101.5%
Output Voltage
VOUT
VIN =2.5V, 1mA ≤ IOUT ≤ 30mA
1.2
V
Maximum Output
Current
VIN =2.5V,
VOUT=1.182V to 1.218V
IOUT(MAX)
600
mA
%/A
%/V
(△VOUT/VOUT)/
△IOUT
(△VOUT/VOUT)/
△VIN
Load Regulation
Line Regulation
VIN=2.5V, 1mA ≤ IOUT ≤600mA
2.5V≤VIN≤6V, IOUT=30mA
IOUT =10mA
0.2
0.02
1000
1000
1000
55
±0.1
1300
1300
1300
80
Dropout Voltage
VDROP
mV
IOUT =300mA
IOUT=600mA
Quiescent Current
Standby Current
IQ
VIN=2.5V, IOUT=0mA
VIN=2.5V, VEN in OFF mode
µA
µA
ISTD
0.01
1.0
Ripple 0.5Vp-p
f=100Hz
65
65
Power Supply
Rejection Ratio
PSRR
VIN=2.5V,
dB
f=1KHz
I
OUT=100mA
Output Voltage
Temperature
Coefficient
IOUT=30mA
(△VOUT/VOUT)/
△T
±100
ppm
TA =-40°C to 85°C
VOUT=0V
Short Current Limit
RMS Output Noise
VEN High Voltage
VEN Low Voltage
Start-up Time
ISHORT
VNOISE
VIH
50
50
mA
No Load, 10Hz ≤ f ≤100kHz
Enable logic high, regulator on
Enable logic low, regulator off
No Load
µVRMS
1.5
0
6.0
0.4
V
VIL
TS
20
3.0
60
µs
MΩ
Ω
EN Pull Down Resistor
RPD
VOUT
discharge
Shutdown
Shutdown
RDCHG
Set EN pin at Low
Resistor
Thermal
Temperature
Thermal
Hysteresis
TOTSD
160
°C
THYOTSD
25
96
75
47
SOT-23-5
SOIC-8
Thermal Resistance
°C /W
θJC
SOT-89-5
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 TA=25°C. Over temperature specifications guaranteed by design only.
Aug. 2010 Rev 1. 0
BCD Semiconductor Manufacturing Limited
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