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LP3983H Datasheet(PDF) 4 Page - Lowpower Semiconductor inc

Part # LP3983H
Description  Ultra-Low-Noise for RF Application
PDF  10 Pages
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Manufacturer  POWER [Lowpower Semiconductor inc]
Direct Link  http://www.lowpowersemi.com
Logo POWER - Lowpower Semiconductor inc

LP3983H Datasheet(HTML) 4 Page - Lowpower Semiconductor inc

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Preliminary Datasheet
LP3983H
LP3983H–00 Version 1.0 Aug.-2014
Email: marketing@lowpowersemi.com
www.lowpowersemi.com
Page 4 of 10
Electrical Characteristics
(VIN = VOUT + 1V, CIN = COUT =2.2µF, CFB = 22pF, 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
VEN=VIN,VIN>2.5V
600
mA
Current Limit
ILIM
RLOAD = 1Ω
700
mA
Adjustable voltage reference
VFB
LP3983HAB5F-09
0.9
V
LP3983HAB5F-08
0.8
V
Quiescent Current
IQ
VEN ≥ 1.4V, IOUT = 0mA
75
130
μA
Dropout Voltage
VDROP
IOUT = 200mA, VOUT >2.8V
160
200
mV
IOUT = 400mA, VOUT >2.8V
320
400
Line Regulation
ΔVLINE
VIN = (VOUT + 1V) to 5.5V,
IOUT = 1mA
0.3
%
Load Regulation
ΔLOAD
1mA < IOUT < 400mA
0.6
%
Standby Current
ISTBY
VEN = GND, Shutdown
0.01
1
μA
EN Input Bias Current
IIBSD
VEN = GND or VIN
0.1
100
nA
EN
Threshold
Logic-Low Voltage
VIL
VIN = 3V to 5.5V,
Shutdown
0.4
V
Logic-High Voltage
VIH
VIN = 3V to 5.5V, Start-Up
1.4
Output Noise Voltage
10Hz to 100kHz, IOUT =
200mA, COUT = 1µF
100
uVRMS
Power Supply
f = 100Hz
PSRR
COUT = 1µF,
IOUT = 10mA
−76
dB
Rejection Rate
f = 10kHz
−68
Thermal Shutdown Temperature
TSD
165
°C



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