LP3986-05

Oct.-2014

www.lowpowersemi.com

Page 3 of 6

Preliminary Datasheet

LP3986

Absolute Maximum Ratings



Supply Input Voltage ----------------------------------------------------------------------------------------------------- 7V

Power Dissipation, PD @ TA = 25°C



SOT-23-3 -------------------------------------------------------------------------------------------------------------- 350mW

Package Thermal Resistance



SOT-23-3, θJA ----------------------------------------------------------------------------------------------------- 350°C/W



Lead Temperature (Soldering, 10 sec.) ------------------------------------------------------------------------ 260°C



Storage Temperature Range -------------------------------------------------------------------------- −65°C to 165°C

ESD Susceptibility



HBM (Human Body Mode) --------------------------------------------------------------------------------------------- 2kV



MM(Machine-Mode) --------------------------------------------------------------------------------------------------- 200V

Recommended Operating Conditions



Supply Input Voltage ------------------------------------------------------------------------------------------- 2.5V to 6V



Operation Junction Temperature Range ----------------------------------------------------------- −40°C to 125°C



Operation Ambient Temperature Range ------------------------------------------------------------ −40°C to 85°C

Electrical Characteristics

(LP3986-33B3F,VIN = VOUT + 1V, CIN = COUT = 2.2µF, 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

Current Limit

ILIM

RLOAD = 1Ω

350

mA

Quiescent Current

IQ

IOUT = 0mA, Vout=3.3V

75

130

μA

Dropout Voltage

VDROP

IOUT = 300mA, VOUT > 2.8V

220

300

mV

Line Regulation

ΔVLINE

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

IOUT = 1mA

0.2

%

Load Regulation

ΔVLOAD

1mA < IOUT < 300mA

2

%

Power Supply Rejection

Reat

PSRR

Iout=100mA F=1KHz

-76

dB

Iout=100mA F=10KHz

-65

dB

Thermal Shutdown

Temperature

150

°C

Thermal Shutdown

Hysteresis

20

°C