300MA HIGH PSRR LOW DROPOUT CMOS LINEAR REGULATOR
FSP2134
ELECTRICAL CHARACTERISTICS
(VIN = VO + 1V, CIN = 1µF, CO = 2.2µF, TA= 25°C unless otherwise specified.)
PARAMETER
Input Voltage
SYMBOL
TEST CONDITIONS
MIN
Note1
-2
TYP
MAX
5.5
UNIT
V
VIN
VO
IO
Output Voltage Accuracy
Output Current
IO= 1mA
+2
%
300
Note2
90
mA
µA
µA
Ground Current
IGND
IQ
IO= 1mA to 300mA
IO= 0mA
70
65
Quiescent Current
90
IO= 1mA, VO < 2V
VIN =2.8V to 3.8V
IO= 1mA, 2≤ VO < 3.3V
VIN =VO + 0.5V to VO + 1V
IO= 1mA, VO ≥3.3V
VIN =VO + 0.5V to VO + 1V
-0.15
-0.1
0.1
0.03
0.2
0.15
0.1
Line Regulation
LNR
%/V
-0.4
-1
0.4
1
Load Regulation Error
Temperature Coefficient
LDR
TC
IO = 1mA to 300mA
IO = 1mA
0.2
40
%
ppm/°C
°C
Over Temperature Shutdown
Over Temperature Hystersis
OTS
OTH
IO = 1mA
150
30
IO = 1mA
°C
IO = 100mA
f=100Hz
f= 1KHz
f= 10KHz
70
Power Supply Ripple Rejection
(with bypass Cap.)
C
BYP = 10nF
Vo =1.8V
70
PSRR
PSRR
VDO
50
dB
f=100Hz
f= 1KHz
70
IO = 100mA
Vo =1.8V
Power Supply Ripple Rejection
(without bypass Cap.)
60
f= 10KHz
40
VO= 1.8V
850
370
180
1100
450
230
Dropout Voltage
IO = 300mA
mV
2.5 ≤ VO < 3.3V
VO ≥ 3.3V
EN Input High Threshold
EN Input Low Threshold
VIH
VIL
VIN = 2.5V to 5V
1.5
V
V
VIN = 2.5V to 5V
CBYP =10nF, f = 10Hz to 100kHz
VEN = 0V
0.3
Output Noise
Vn
50
µVRMS
µA
Shutdown Current
ISD
0.01
1
Note 1：The minimum input voltage of the FSP2134 is determined by output voltage and dropout voltage. The
minimum input voltage is defined as:
VIN(MIN)=VO+VDROP
Note 2：Output current is limited by PD, maximum IO=PD/(VIN(MAX)-VO)
3/11
2007-7-4
FOSLINK [ FOSLINK SEMICONDUCTOR CO.,LTD ]
