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Data Sheet
600mA CMOS LDO REGULATOR WITH ENABLE AP2111
Dec. 2012 Rev. 1. 7 BCD Semiconductor Manufacturing Limited
11
Electrical Characteristics (Continued)
AP2111-3.3 Electrical Characteristic (Note 2)
V
IN
=4.3V, C
IN
=1μF (Ceramic), C
OUT
=1μF (Ceramic), Typical T
A
=25°C, Bold typeface applies over -40°CT
A
85°C ranges,
unless otherwise specified (Note 3).
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.
Parameter Symbol Conditions Min Typ Max Unit
Output Voltage V
OUT
V
IN
=4.3V, 1mA I
OUT
30mA
V
OUT
×98.5%
3.3
V
OUT
×101.5%
V
Maximum Output Current I
OUT(Max)
V
IN
=4.3V, V
OUT
=3.251V to
3.350V
600 mA
Load Regulation
(V
OUT
/V
OUT
)
I
OUT
V
IN
=4.3V, 1mA I
OUT
600mA 0.2 %/A
Line Regulation
(V
OUT
/V
OUT
)
V
IN
4.3VV
IN
6V, I
OUT
=30mA 0.02 %/V
Dropout Voltage V
DROP
I
OUT
=10mA 5 8
mV I
OUT
=300mA 125 200
I
OUT
=600mA 250 400
Quiescent Current I
Q
V
IN
=4.3V, I
OUT
=0mA 55 80
μA
Standby Current I
STD
V
IN
=4.3V, V
EN
in OFF mode 0.01 1.0
μA
Power Supply Rejectio
n
Ratio
PSRR
Ripple 0.5Vp-p
V
IN
=4.3V,
I
OUT
=100mA
f=100Hz 65
dB
f=1kHz
65
Output Voltage
Temperature Coefficient
(V
OUT
/V
OUT
)
T
I
OUT
=30mA
T
A
=-40°C to 85°C
±100
ppm/°C
Short Current Limit I
SHORT
V
OUT
=0V 50 mA
RMS Output Noise V
NOISE
o Load, 10Hz f 100kHz 50
μV
RMS
VEN High Voltage V
IH
Enable logic high, regulator on 1.5 6.0
V
VEN Low Voltage V
IL
Enable logic low, regulator off 0 0.4
Start-up Time t
S
N
o Loa
d
20
μs
EN Pull Down Resistor R
PD
3.0
mΩ
VOUT Discharge Resistor R
DCHG
Set EN pin at Low 60
Ω
Thermal Shutdown
Temperature
T
OTSD
160
°C
Thermal Shutdown
Hysteresis
T
HYOTSD
30
Thermal Resistance
(Junction to Case)
 θ
JC
SOIC-8 74.6
°C /W
PSOP-8 43.7
SOT-223 50.9
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