LP2985LV

150mA LOW NOISE, LOW DROPOUT REGULATOR

WITH SHUTDOWN FOR OUTPUT VOLTAGES <2.3 V

SLVS552 − OCTOBER 2004

8

POST OFFICE BOX 655303

electrical characteristics at specified virtual junction temperature range,

(continued)

PARAMETER

TEST CONDITIONS

TJ

LP2985A−XX

LP2985−XX

UNIT

PARAMETER

TEST CONDITIONS

TJ

MIN

TYP

MAX

MIN

TYP

MAX

UNIT

Vn

Output noise

(RMS)

BW = 300 Hz to 50 kHz,

COUT = 10 µF,

CBYPASS = 10 nF,

VOUT = 1.8 V

25

°C

30

30

µV

nVOUT/nVIN

Ripple

rejection

f = 1kHz,

COUT = 10 µF,

CBYPASS = 10 nF

25

°C

45

45

dB

IOUT(PK)

Peak output

current

VOUT ≥ VO(NOM) − 5%

25

°C

350

350

mA

IOUT(SC)

Short circuit

current

RL = 0 (steady state)

(see Note 7)

25

°C

400

400

mA

NOTE 7: See Typical Characteristics Curve, Short-Circuit Current vs. VOUT