Preliminary Datasheet
1A LOW NOISE CMOS LDO REGULATOR WITH ENABLE
Electrical Characteristics (Continued)
AP2114-1.8 Electrical Characteristics (Note 2)
(V
IN
=2.8V, 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
Test Conditions
V
IN
=2.8V, 1mA
≤
I
OUT
≤
30mA
V
IN
=2.8V, V
OUT
=1.773V to 1.827V
V
IN
=2.8V, 1mA
≤
I
OUT
≤1A
2.8V≤V
IN
≤6V,
I
OUT
=30mA
I
OUT
=1.0A
V
IN
=2.8V, I
OUT
=0mA
Ripple 1Vp-p
V
IN
=2.8V,
I
OUT
=100mA
f=100Hz
f=1KHz
Min
V
OUT
×98.5%
1.0
Typ
1.8
Max
V
OUT
×101.5%
Unit
V
A
0.2
0.02
500
60
68
1.0
±0.1
700
75
%/A
%/V
mV
µA
dB
68
±30
50
30
1.5
0.4
0.01
20
3.0
1.0
µA
µs
mΩ
Ω
°C
25
74.6
43.7
50.9
35
22
°C /W
ppm/°C
mA
µV
RMS
V
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
I
OUT
=30mA,
T
A
=-40°C to 85°C
V
OUT
=0V
10Hz
≤
f
≤100kHz
(No load)
Enable logic high, regulator on
Enable logic low, regulator off
V
IN
=3.5V, V
EN
in OFF mode
No Load
Set EN pin at Low
60
160
Thermal Resistance
(Junction to Case)
PSOP-8
θ
JC
SOT-223
TO-252-2 (1) / TO-252-2 (3)
TO-263-3
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.
Oct. 2010
Rev. 1. 3
7
BCD Semiconductor Manufacturing Limited
BCDSEMI [ BCD SEMICONDUCTOR MANUFACTURING LIMITED ]
