Preliminary Datasheet
1A LOW NOISE CMOS LDO REGULATOR WITH ENABLE
Electrical Characteristics (Continued)
AP2115-1.8 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°C≤T
J
≤85°C
ranges, unless otherwise specified (Note 3).
AP2115
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
R
PD
R
DCHG
T
OTSD
T
HYOTSD
θ
JC
SOIC-8
SOT-89-5
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
98.5%
×V
OUT
1
Typ
1.8
Max
101.5%
× V
OUT
Unit
V
A
0.2
-0.1
0.02
500
60
68
1
0.1
750
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
47
°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
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.
Jul. 2011
Rev 1. 1
7
BCD Semiconductor Manufacturing Limited
BCDSEMI [ BCD SEMICONDUCTOR MANUFACTURING LIMITED ]
