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LP3983 Datasheet(PDF) 3 Page - Lowpower Semiconductor inc

No. de pieza LP3983
Descripción Electrónicos  For BaseBand,300mA,Ultra-LowNoise Ultra-fast CMOS LDO Regrlator
PDF  8 Pages
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Fabricante Electrónico  POWER [Lowpower Semiconductor inc]
Página de inicio  http://www.lowpowersemi.com
Logo POWER - Lowpower Semiconductor inc

LP3983 Datasheet(HTML) 3 Page - Lowpower Semiconductor inc

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LP3983
LP3983-datasheet
Oct.-2005
3-3
Electrical Characteristics
(VIN = VOUT + 1V, CIN = COUT = 1µF, CBP = 22nF, TA = 25° C, unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Units
Output Voltage Accuracy
Δ
VOUT
IOUT = 1mA
−
2
--
+2
%
Current Limit
ILIM
RLOAD = 1Ω
360
400
mA
Quiescent Current
IQ
VEN
≥ 1.2V, IOUT = 0mA
90
130
μ
A
IOUT = 100mA, VOUT > 2.8V
80
100
Dropout Voltage
VDROP
IOUT = 300mA, VOUT > 2.8V
110
150
mV
Reference Voltage
Vset
1.19
1.23
1.27
V
Line Regulation
Δ
VLINE
VIN = (VOUT + 1V) to 5.5V,
IOUT = 1mA
0.3
%
Load Regulation
Δ
VLOAD
1mA < IOUT < 300mA
0.6
%
Standby Current
ISTBY
VEN = GND, Shutdown
0.01
1
μ
A
Reference Voltage
Vset
1.2
1.23
1.26
V
EN Input Bias Current
IIBSD
VEN = GND or VIN
0
100
nA
Logic-Low
Voltage
VIL
VIN = 3V to 5.5V,
Shutdown
0.4
EN Threshold
Logic-High
Voltage
VIH
VIN = 3V to 5.5V, Start-Up
1.5
V
Output Noise Voltage
eNO
10Hz to 100kHz, IOUT =
200mA COUT = 1µF
100
uVRMS
Power Supply
f = 100Hz
PSRR
−
70
Rejection Rate
f =
10kHz
COUT = 1µF, IOUT =
10mA
−
55
dB
Thermal Shutdown Temperature TSD
165
°
C



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