Data Sheet
HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR
AP2122
Electrical Characteristics
AP2122-1.5 Electrical Characteristics
≤TJ≤
(VIN=2.5V, TJ=25oC, CIN=1µF, COUT=1µF, Bold typeface applies over -40oC 85oC, unless otherwise specified.)
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
VIN=2.5V
VOUT
Output Voltage
1.47
1.5
1.53
V
1mA≤IOUT≤30mA
Input Voltage
VIN
6
V
Output Current
IOUT
VIN-VOUT=1V
150
mA
VIN=2.5V
VRLOAD
Load Regulation
Line Regulation
12
4
40
16
mV
mV
1mA≤IOUT≤80mA
2.3V≤VIN≤6V
IOUT=30mA
VRLINE
IOUT=10mA
IOUT=100mA
IOUT=150mA
400
400
400
600
600
600
VDROP
Dropout Voltage
mV
IQ
VIN=2.5V, IOUT=0mA
Quiescent Current
Standby Current
25
0.1
70
50
1
µA
µA
VIN=2.5V
ISTD
VCE in OFF mode
Ripple 0.5Vp-p, f=10kHz
VIN=2.5V
Power Supply
Rejection Ratio
PSRR
dB
µV/oC
∆VOUT/∆T
(∆VOUT/VOUT)/∆T
ILIMIT
±150
±100
50
Output Voltage
Temperature Coefficient
IOUT=30mA
ppm/oC
mA
Short Current Limit
RMS Output Noise
VOUT=0V
TA=25oC
VNOISE
30
µVrms
10Hz ≤f≤100kHz
CE "High" Voltage
CE "Low" Voltage
CE input voltage "High"
CE input voltage "Low"
1.5
2.5
V
V
0.25
10
CE Pull-down Internal
Resistance
RPD
5
MΩ
Sep. 2006 Rev. 1. 1
BCD Semiconductor Manufacturing Limited
6
BCDSEMI [ BCD SEMICONDUCTOR MANUFACTURING LIMITED ]
