Preliminary Datasheet
1A LOW NOISE CMOS LDO REGULATOR WITH ENABLE
Electrical Characteristics (Continued)
AP2115-2.5 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
J
≤85
O
C
ranges, unless otherwise specified (Note 3).
AP2115
Parameter
Output Voltage
Maximum Output Current
Load Regulation
Line Regulation
Dropout Voltage
Quiescent Current
Standby 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
I
STD
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
SOIC-8
Test Conditions
V
IN
=3.5V, 1mA
≤
I
OUT
≤
30mA
V
IN
=3.5V, V
OUT
=2.463V to 2.537V
V
OUT
=2.5V, V
IN
=V
OUT
+1V
1mA
≤
I
OUT
≤1A
3.5V≤V
IN
≤6V,
I
OUT
=30mA
I
OUT
=1A
V
IN
=3.5V, I
OUT
=0mA
V
IN
=3.5V, V
EN
in OFF mode
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
No Load
f=100Hz
f=1KHz
Min
98.5%
×V
OUT
1
Typ
2.5
Max
101.5%
×V
OUT
Unit
V
A
0.2
-0.1
0.02
450
60
0.01
65
65
±30
50
30
1.5
1
0.1
750
80
1.0
%/A
%/V
mV
µA
µA
dB
ppm/°C
mA
µV
RMS
V
µs
MΩ
Ω
°C
Output Voltage
Temperature Coefficient
Short Current Limit
RMS Output Noise
V
EN
High Voltage
V
EN
Low Voltage
Start-up Time
EN Pull Down Resistor
V
OUT
Discharge Resistor
Thermal
Temperature
Thermal
Hysteresis
Shutdown
Shutdown
0.4
20
3.0
Set EN pin at Low
60
160
25
74.6
47
Thermal Resistance
SOT-89-5
°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.
Jul. 2011
Rev 1. 1
8
BCD Semiconductor Manufacturing Limited
BCDSEMI [ BCD SEMICONDUCTOR MANUFACTURING LIMITED ]
