Data Sheet
300mA HIGH SPEED, EXTREMELY LOW NOISE CMOS LDO REGULATOR
AP2125
Electrical Characteristics (Continued)
AP2125-4.15 Electrical Characteristics
(VIN=5.15V, TA=25oC, CIN=1µF, COUT=1µF, Bold typeface applies over -40oC≤TJ≤85oC, unless otherwise specified.)
Parameter
Output Voltage
Input Voltage
Maximum Output Current
Load Regulation
Line Regulation
Dropout Voltage
Quiescent Current
Symbol
VOUT
VIN
IOUT(MAX)
VRLOAD
VRLINE
VDROP
IQ
Conditions
VIN=5.15V
1mA≤IOUT≤30mA
VIN-VOUT=1V, VOUT=4.06V
VIN=5.15V
1mA≤IOUT≤300mA
5.15V≤VIN≤6V
IOUT=30mA
IOUT=10mA
IOUT=100mA
IOUT=300mA
VIN=5.15V, IOUT=0mA
Min
4.067
300
Typ Max Unit
4.15 4.233 V
6
V
360
mA
13
mV
1
mV
6.5
10
65
100
mV
200 300
60
90
µA
Standby Current
Power Supply
Rejection Ratio
ISTD
PSRR
VIN=5.15V
VCE in OFF mode
Ripple 0.5Vp-p f=100Hz
VIN=5.15V
f=1KHz
Output Voltage
Temperature Coefficient
(∆VOUT/VOUT)/∆T IOUT=30mA
Short Current Limit
RMS Output Noise
CE "High" Voltage
ISHORT
VNOISE
VOUT=0V
10Hz ≤f≤100kHz
CE input voltage "High"
CE "Low" Voltage
CE input voltage "Low"
Thermal Shutdown
Thermal Shutdown Hyster-
esis
0.01
1.0
µA
65
dB
65
dB
±100
ppm/oC
50
mA
50
µVrms
1.5
V
0.4
V
160
oC
25
oC
May. 2010 Rev. 1. 4
BCD Semiconductor Manufacturing Limited
11