© 2000 SEMTECH CORP.

652 MITCHELL ROAD NEWBURY PARK CA 91320

150mA ULTRA LOW DROPOUT

MICROPOWER LINEAR REGULATOR

SC112

PRELIMINARY - July 25, 2000

3

ELECTRICAL CHARACTERISTICS

Unless specified, T

Values in bold apply over full operating temperature range.

Parameter

Symbol

Test Conditions

MIN

TYP

MAX

Units

VO (Cont.)

Current Limit

(1)

I

LIM

180

200

mA

Dropout Voltage

V

D

I

130

150

mV

180

I

165

195

225

I

200

245

275

Power Supply Rejection Ratio

RR

V

60

dB

I

Output Noise Voltage

e

n

10 Hz

≤ f ≤ 80 kHz,

30

µV(rms)

I

BYP

Noise Bypass Terminal Voltage

V

BYP

1.250

V

EN

Enable Input Threshold Voltage

V

IH

Output ON

1.8

V

V

IL

Output OFF

0.5

Enable Input Bias Current

I

EN

V

6

10

µA

NOTE:

(1) As the load resistance further decreases, the SC112 folds back the output current to approximately 100mA at

VO = 0V.