LP3992-05

May.-2017

www.lowpowersemi.com

Page 4 of 9

Preliminary Datasheet

LP3992

Electrical Characteristics

(LP3992-33B5F,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

−3

--

+3

%

Output Voltage

VOUT

IOUT = 1mA

3.33

V

Output Loading Current

VEN=VIN,VIN>2.5V

300

mA

Current Limit

ILIM

RLOAD = 1Ω

420

450

mA

Quiescent Current

IQ

VEN ≥ 1.2V, IOUT = 0mA

75

130

μA

Dropout Voltage

VDROP

IOUT = 200mA, VOUT > 2.8V

130

200

mV

IOUT = 300mA, VOUT > 2.8V

220

300

Line Regulation

ΔVLINE

VIN = (VOUT + 1V) to 5.5V,

IOUT = 50mA

0.2

%/V

Load Regulation

ΔLOAD

1mA < IOUT < 300mA

2

%/A

Standby Current

ISTBY

VEN = GND, Shutdown

0.01

1

μA

EN Input Bias Current

IIBSD

VEN = 3V

1.5

3.5

μA

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

VIN+

0.3

Output Noise Voltage

10Hz to 100kHz, IOUT =

200mA, COUT = 1µF

300

uVRMS

Power Supply

Rejection Rate

f = 1kHz

COUT = 1µF,

IOUT = 100mA

-76

dB

f = 10kHz

−65

Thermal Shutdown Temperature

TSD

150

°C