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LD2985 Datasheet(PDF) 10 Page - Unisonic Technologies

Part No. LD2985
Description  VERY LOW DROP AND LOW NOISE VOLTAGE REGULATOR LOW ESR CAP. COMPATIBLE
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Maker  UTC [Unisonic Technologies]
Homepage  http://www.utc-ic.com
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LD2985 Datasheet(HTML) 10 Page - Unisonic Technologies

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LD2985
LINEAR INTEGRATED CIRCUIT
UNISONIC TECHNOLOGIES CO., LTD
10 of 15
www.unisonic.com.tw
QW-R102-024.M
ELECT RI CAL CH ARACT ERI ST I CS(Cont .)
FOR VOUT=3.8V
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Operating Input Voltage
VI(OPR)
16
V
VIN=4.8V
3.724
3.8
3.876
V
Output Voltage
VOUT
IOUT=1 ~ 150mA
3.686
3.914
V
Short Circuit Current
ISC
RL=0
600
mA
Line Regulation
△VOUT
VIN=VOUT+1V ~ 16V, IOUT=1mA
30
mV
IOUT=0
1
3
mV
IOUT=1mA
7
10
mV
IOUT=10mA
40
60
mV
IOUT=50mA
120
150
mV
Dropout Voltage
VD
IOUT=150mA
280
350
mV
IOUT=0
80
100
μA
IOUT=1mA
100
150
μA
IOUT=10mA
280
330
μA
IOUT=50mA
1050
1300
μA
IOUT=150mA
2900
3300
μA
Quiescent Current
IQ
OFF MODE VINH<0.18V
1.5
μA
Supply Voltage Rejection
SVR
CBYP=0.01
μF, CO=10μF, f=1KHz
45
dB
Control Input Logic Low
VIL
TJ=-20 ~ 125°C
0.15
V
Control Input Logic High
VIH
TJ=-20 ~ 125°C
2
V
TJ=-20 ~ 125°C, VSHDN=VIN
5
20
μA
Control Input Current
IINH
TJ=-20 ~ 125°C, VSHDN=0V
0
-1
μA
Output Noise Voltage
eN
B=300Hz ~ 50KHz
CBYP=0.01
μF, CO=10μF
30
μV
FOR VOUT=4.0V
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Operating Input Voltage
VI(OPR)
16
V
VIN=5.0V
3.920
4
4.080
V
Output Voltage
VOUT
IOUT=1 ~ 150mA
3.880
4.120
V
Short Circuit Current
ISC
RL=0
600
mA
IOUT=0
1
3
mV
IOUT=1mA
7
10
mV
IOUT=10mA
40
60
mV
IOUT=50mA
120
150
mV
Dropout Voltage
VD
IOUT=150mA
280
350
mV
IOUT=0
80
100
μA
IOUT=1mA
100
150
μA
IOUT=10mA
280
330
μA
IOUT=50mA
1050
1300
μA
IOUT=150mA
2900
3300
μA
Quiescent Current
IQ
OFF MODE VINH<0.18V
1.5
μA
Supply Voltage Rejection
SVR
CBYP=0.01
μF, CO=10μF, f=1KHz
45
dB
Control Input Logic Low
VIL
TJ=-20 ~ 125°C
0.15
V
Control Input Logic High
VIH
TJ=-20 ~ 125°C
2
V
TJ=-20 ~ 125°C, VSHDN=VIN
5
20
μA
Control Input Current
IINH
TJ=-20 ~ 125°C, VSHDN=0V
0
-1
μA
Output Noise Voltage
eN
B=300Hz ~ 50KHz
CBYP=0.01
μF, CO=10μF
30
μV


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