Preliminary Datasheet
HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR
AP2121
Electrical Characteristics (Continued)
AP2121-2.8 Electrical Characteristics
≤TJ≤
(VIN=3.8V, TJ=25oC, CIN=1µF, COUT=1µF, Bold typeface applies over -40oC 85oC, unless otherwise specified.)
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
VIN=3.8V
VOUT
Output Voltage
2.744
2.8
2.856
V
1mA≤IOUT≤30mA
Input Voltage
VIN
6
V
Output Current
IOUT
VIN-VOUT=1V
150
mA
VIN=3.8V
VRLOAD
Load Regulation
Line Regulation
12
4
40
16
mV
mV
1mA≤IOUT≤80mA
3.3V≤VIN≤6V
IOUT=30mA
VRLINE
IOUT=10mA
IOUT=100mA
IOUT=150mA
20
40
VDROP
Dropout Voltage
mV
150
200
300
400
IQ
VIN=3.8V, IOUT=0mA
Quiescent Current
Standby Current
25
0.1
70
50
1
µA
µA
VIN=3.8V
ISTD
VCE in OFF mode
Ripple 0.5Vp-p, f=10kHz
VIN=3.8V
Power Supply
Rejection Ratio
PSRR
dB
µV/oC
∆VOUT/∆T
(∆VOUT/VOUT)/∆T
ILIMIT
±280
±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 input voltage "High"
CE input voltage "Low"
1.5
2.5
V
V
CE "Low" Voltage
0.25
10
RPD
CE Pull-down Resistance
5
MΩ
Mar. 2007 Rev. 1. 4
BCD Semiconductor Manufacturing Limited
9
BCDSEMI [ BCD SEMICONDUCTOR MANUFACTURING LIMITED ]
