Preliminary Datasheet
1A LOW NOISE CMOS LDO REGULATOR WITH ENABLE AP2115
Electrical Characteristics
AP2115-1.2 Electrical Characteristics (Note 2)
VIN=2.5V, CIN=4.7µF (Ceramic), COUT=4.7µF (Ceramic), Typical TA=25°C, Bold typeface applies over -40°C≤TJ≤85°C
ranges, unless otherwise specified (Note 3).
Parameter
Symbol
Test Conditions
Min
Typ
Max Unit
VOUT
×98.5%
VOUT
×101.5%
Output Voltage
VOUT
VIN =2.5V, 1mA ≤ IOUT ≤ 30mA
1.2
V
Input Voltage
VIN
6
V
A
Maximum Output Current
IOUT(MAX)
VIN=2.5V, VOUT=1.182V to 1.218V
1
△VOUT/VOUT
△IOUT
Load Regulation
Line Regulation
VIN=2.5V, 1mA ≤ IOUT ≤1A
0.2
1
%/A
%/V
△VOUT/VOUT
△VIN
2.5V≤VIN≤6V, IOUT=30mA
-0.1
0.02
0.1
Dropout Voltage
VDROP
IQ
IOUT=1.0A
1200
60
1300
75
mV
Quiescent Current
VIN=2.5V, IOUT=0mA
µA
f=100Hz
f=1KHz
68
68
Ripple 1Vp-p
VIN=2.5V,
IOUT=100mA
Power Supply Rejection
Ratio
PSRR
dB
Output Voltage
Temperature Coefficient
△VOUT/VOUT
△T
±30
ppm/°C
mA
IOUT=30mA, TA =-40°C to 85°C
VOUT=0V
Short Current Limit
ISHORT
50
30
RMS Output Noise
VNOISE
10Hz ≤ f ≤100kHz (No Load)
µVRMS
VEN High Voltage
VEN Low Voltage
Standby Current
VIH
VIL
Enable logic high, regulator on
Enable logic low, regulator off
VIN=3.5V, VEN in OFF mode
No Load
1.5
V
0.4
1.0
ISTD
tS
0.01
20
µA
µs
Start-up Time
EN Pull Down Resistor
VOUT Discharge Resistor
RPD
3.0
60
MΩ
Ω
RDCHG
TOTSD
Set EN pin at Low
Thermal
Shutdown
160
Temperature
Thermal
°C
Shutdown
THYOTSD
25
74.6
47
Hysteresis
SOIC-8
Thermal Resistance
°C/W
θJC
SOT-89-5
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 TA=25°C. Over temperature specifications guaranteed by design only.
Jul. 2011 Rev 1. 1
BCD Semiconductor Manufacturing Limited
6
BCDSEMI [ BCD SEMICONDUCTOR MANUFACTURING LIMITED ]
