SC112 Ver la hoja de datos (PDF) - Semtech Corporation

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Fabricante

SC112

150mA Ultra Low Dropout Micropower Linear Regulator

Semtech Corporation 

SC112

POWER MANAGEMENT

Electrical Characteristics (Cont.)

PRELIMINARY

Unless specified: TA = 25°C, VIN = (VO(NOM) + 1V), CIN = 1µF, CBYP = 10nF, CO = 1µF. Values in bold apply over full operating temperature range.

Parameter

Symbol

Test Conditions

Min Typ Max Units

VO (Cont.)

Load Regulation

REG(LOAD)

Temperature Coefficient

Current Limit(1)

Dropout Voltage

DVO/DT

ILIM

VD

IO = 1mA to 60mA

IO = 1mA to 100mA

IO = 1mA to 150mA

IO = 10mA

IO = 60mA

7.5 35

mV

20 65

35 110

40

ppm/°C

180 200

mA

130 150 mV

180

IO = 100mA

165 195

225

IO = 150mA

200 245

275

Power Supply Rejection Ratio

PSRR VAC = 100mVRMS, f = 400Hz, IO = 30mA

60

dB

Output Noise Voltage

en

10Hz £ f £ 80kHz, IO = 60mA

30

µVRMS

BYP

Noise Bypass Terminal Voltage

VBYP

EN

1.250

V

Enable Input Threshold Voltage

VIH

Output ON

1.8

V

VIL

Enable Input Bias Current

IEN

Output OFF

VEN = 1.8V, Output ON

0.5

6

10

µA

Note:

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

VO = 0V.

ã 2001 Semtech Corp.

3

www.semtech.com

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