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LP3985 Datasheet(PDF) 4 Page - Lowpower Semiconductor inc

Part # LP3985
Description  300mA,Ultra-low noise, Small Package
PDF  7 Pages
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Manufacturer  POWER [Lowpower Semiconductor inc]
Direct Link  http://www.lowpowersemi.com
Logo POWER - Lowpower Semiconductor inc

LP3985 Datasheet(HTML) 4 Page - Lowpower Semiconductor inc

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LP3985-00
May.-2018
Email: marketing@lowpowersemi.com
www.lowpowersemi.com
Page 4 of 7
Preliminary Datasheet
LP3985
Electrical Characteristics
(VIN = VOUT + 1V, CIN = COUT = 1µF, TA = 25° C, unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ.
Max
Units
Output Voltage Accuracy
ΔVOUT
IOUT=1mA
−2
--
+2
%
Output Loading Current
ILOAD
VIN >2.8V
300
mA
Current Limit
ILIM
RLOAD=1Ω
500
mA
Quiescent Current
IQ
IOUT=0mA
50
130
μA
Dropout Voltage
VDROP
IOUT=200mA, VOUT>2.5V
200
240
mV
IOUT=300mA, VOUT>2.5V
300
360
Line Regulation
ΔVLINE
VIN=(VOUT+1V) to 5.5V,
IOUT=50mA
0.2
%/V
Load Regulation
ΔLOAD
1mA<IOUT<300mA
2
%/A
Output Noise Voltage
10Hz to 100kHz,
IOUT=200mA, COUT=1µF
300
uVRMS
Power Supply
Rejection Rate
PSRR
COUT=1µF, f = 1kHz,
IOUT=100mA
-68
dB
COUT=1µF, f = 10kHz,
IOUT=100mA
-60
dB
Thermal Shutdown Temperature
TSD
150
℃



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