LP3982-25J5F View Datasheet(PDF) - Lowpower Semiconductor inc

Part Name

Description

View to exact match

LP3982-25J5F

300mA,Ultra-low noise, Small Package Ultra-Fast CMOS LDO Regulator

Lowpower Semiconductor inc 

Preliminary Datasheet

Electrical Characteristics

LP3982

(VIN = VOUT + 1V, CIN = COUT = 1µF, CBP = 22nF, TA = 25° C, unless otherwise specified)

Parameter

Symbol Test Conditions

Min Typ Max

Output Voltage Accuracy

ΔVOUT IOUT = 1mA

−2 -- +2

Current Limit

ILIM

RLOAD = 1Ω

360 400

Quiescent Current

IQ

VEN ≥ 1.2V, IOUT = 0mA

90 130

Dropout Voltage

VDROP

IOUT = 200mA, VOUT >

2.8V

IOUT = 300mA, VOUT >

2.8V

170 200

220 300

Line Regulation

VIN = (VOUT + 1V) to

ΔVLINE

0.3

5.5V, IOUT = 1mA

Units

%

mA

μA

mV

%

Load Regulation

ΔLOAD 1mA < IOUT < 300mA

0.6 %

Standby Current

EN Input Bias Current

Logic-Low

EN Threshold

Voltage

Logic-High

Voltage

ISTBY

IIBSD

VIL

VIH

Output Noise Voltage

Power Supply

Rejection Rate

f = 100Hz PSRR

f = 10kHz

Thermal Shutdown Temperature TSD

VEN = GND, Shutdown

VEN = GND or VIN

VIN = 3V to 5.5V,

Shutdown

VIN = 3V to 5.5V,

1.2

Start-Up

10Hz to 100kHz, IOUT =

200mA COUT = 1µF

COUT = 1µF,

IOUT = 10mA

0.01 1

0 100

0.4

100

−80

−55

165

μA

nA

V

uVRMS

dB

°C

LP3982 – Ver. 1.0 Datasheet Dec.-2006

Page 3 of 8

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