Data Sheet
600mA CMOS LDO REGULATOR WITH ENABLE
Electrical Characteristics (Continued)
AP2111-2.5 Electrical Characteristic (Note 2)
V
IN
=3.5V, C
IN
=1μF (Ceramic), C
OUT
=1μF (Ceramic), Typical T
A
=25°C,
Bold
typeface applies over -40°C≤T
A
≤85°C
ranges,
unless otherwise specified (Note 3).
AP2111
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
Conditions
V
IN
=3.5V, 1mA
≤
I
OUT
≤
30mA
V
IN
=3.5V, V
OUT
=2.463V to
2.537V
V
IN
=V
OUT
+1V,
V
OUT
=2.5V,
1mA
≤
I
OUT
≤600mA
3.5V≤V
IN
≤6V,
I
OUT
=30mA
I
OUT
=10mA
Min
V
OUT
×98.5%
600
Typ
2.5
Max
V
OUT
×101.5%
Unit
V
mA
0.2
0.02
5
125
250
55
0.01
65
8
200
400
80
1.0
%/A
%/V
Dropout Voltage
V
DROP
I
OUT
=300mA
I
OUT
=600mA
mV
Quiescent Current
Standby Current
Power Supply Rejection
Ratio
Output Voltage
Temperature Coefficient
Short Current Limit
RMS Output Noise
VEN High Voltage
VEN Low Voltage
Start-up Time
EN Pull Down Resistor
VOUT Discharge Resistor
Thermal
Temperature
Thermal
Hysteresis
Shutdown
Shutdown
I
Q
I
STD
V
IN
=3.5V, I
OUT
=0mA
V
IN
=3.5V, V
EN
in OFF mode
Ripple 0.5Vp-p
V
IN
=3.5V,
I
OUT
=100mA
f=100Hz
f=1kHz
μA
μA
PSRR
(
△
V
OUT
/V
OUT
)
△
T
I
SHORT
V
NOISE
V
IH
V
IL
t
S
R
PD
R
DCHG
T
OTSD
T
HYOTSD
θ
JC
dB
65
±100
50
50
1.5
0
20
3.0
6.0
0.4
ppm/°C
mA
μV
RMS
V
μs
mΩ
Ω
°C
30
I
OUT
=30mA
T
A
=-40°C to 85°C
V
OUT
=0V
No Load, 10Hz
≤
f
≤100kHz
Enable logic high, regulator on
Enable logic low, regulator off
No Load
Set EN pin at Low
60
160
Thermal Resistance
(Junction to Case)
SOIC-8
PSOP-8
SOT-223
74.6
43.7
50.9
°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.
May 2012
Rev. 1. 5
8
BCD Semiconductor Manufacturing Limited
BCDSEMI [ BCD SEMICONDUCTOR MANUFACTURING LIMITED ]
