Preliminary Datasheet
1A LOW NOISE CMOS LDO REGULATOR WITH ENABLE
Electrical Characteristics (Continued)
AP2114-2.5 Electrical Characteristics (Note 2)
(V
IN
=3.5V, C
IN
=4.7µF (Ceramic), C
OUT
=4.7µF (Ceramic), Typical T
A
= 25°C,
Bold
typeface applies over -40
O
C≤T
A
≤85
O
C
ranges, unless otherwise specified (Note 3))
AP2114
Parameter
Output Voltage
Maximum Output Current
Load Regulation
Line Regulation
Dropout Voltage
Quiescent Current
Power
Ratio
Supply
Rejection
Symbol
V
OUT
I
OUT(MAX)
△V
OUT
/V
OUT
△
I
OUT
△V
OUT
/V
OUT
△
V
IN
V
DROP
I
Q
PSRR
△V
OUT
/V
OUT
△
T
I
SHORT
V
NOISE
V
IH
V
IL
I
STD
T
S
RPD
R
DCHG
T
OTSD
T
HYOTSD
SOIC-8
PSOP-8
Test Conditions
V
IN
=3.5V, 1mA
≤
I
OUT
≤
30mA
V
IN
=3.5V, V
OUT
=2.463V to 2.537V
Vout=2.5V, V
IN
=Vout+1V
1mA
≤
I
OUT
≤1A
3.5V≤V
IN
≤6V,
I
OUT
=30mA
I
OUT
=1A
V
IN
=3.5V, I
OUT
=0mA
Ripple 1Vp-p
V
IN
=3.5V,
I
OUT
=100mA
I
OUT
=30mA
V
OUT
=0V
10Hz
≤
f
≤100kHz
Enable logic high, regulator on
Enable logic low, regulator off
V
IN
=3.5V, V
EN
in OFF mode
No Load
f=100Hz
f=1KHz
Min
V
OUT
×98.5%
1.0
Typ
2.5
Max
V
OUT
×101.5%
Unit
V
A
0.2
0.02
450
60
65
65
±30
50
30
1.5
1.0
±0.1
750
80
%/A
%/V
mV
µA
dB
ppm/°C
mA
µV
RMS
V
µA
µs
mΩ
Ω
°C
Output Voltage
Temperature Coefficient
Short Current Limit
RMS Output Noise
V
EN
High Voltage
V
EN
Low Voltage
Standby Current
Start-up Time
EN Pull Down Resistor
V
OUT
Discharge Resistor
Thermal
Temperature
Thermal
Hysteresis
Shutdown
Shutdown
0.4
0.01
20
3.0
1.0
Set EN pin at Low
60
160
25
74.6
43.7
50.9
35
22
Thermal Resistance
(Junction to Case)
θ
JC
SOT-223
TO-252-2 (1) / TO-252-2 (3)
TO-263-3
°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.
Oct. 2010
Rev. 1. 3
8
BCD Semiconductor Manufacturing Limited
BCDSEMI [ BCD SEMICONDUCTOR MANUFACTURING LIMITED ]
