SC1454(2000) Ver la hoja de datos (PDF) - Semtech Corporation

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Fabricante

SC1454
(Rev.:2000)

Dual 150mA Ultra Low Dropout, Low Noise Regulator

Semtech Corporation 

SC1454

POWER MANAGEMENT

Absolute Maximum Ratings

Parameter

Symbol

Maximum

Input Supply Voltage

Enable Input Voltage

Operating Ambient Temperature Range

Operating Junction Temperature Range

Storage Temperature Range

Thermal Impedance Junction to Ambient(1)

Thermal Impedance Junction to Ambient(2)

Thermal Impedance Junction to Case

ESD Rating (Human Body Model)

VIN

VEN

TA

TJ

TSTG

qJA

qJA

qJC

ESD

-5 to +7

-5 to +VIN

-40 to +85

-40 to +125

-60 to +150

206

95

39

2

NOTES:

(1) Minimum pad size.

(2) 1 square inch of FR-4, double sided, 1oz. minimum copper weight.

Electrical Characteristics

Unless specified: TA = 25°C, VIN = VOUT + 1V, IOUTA = IOUTB = 1mA, CIN = COUT = 1.0 µF, VENA = VENB = VIN.

Values in bold apply over full operating temperature range.

Parameter

Symbol

Conditions

Min

IN

Input Supply Voltage

Quiescent Current

VIN

2.25

IQ

VENA = 0V, VENB = VIN, IOUTB = 150mA or

VENB = 0V, VENA = VIN, IOUTA = 150mA

VENA = VENB = VIN, IOUTA = IOUTB = 150mA

VIN = 6.5V, VENA = VENB = 0V (OFF)

OUTA, OUTB

Output Voltage(1)

Line Regulation(1)

VOUT

REG(LINE)

IOUT = 1mA

0mA £ IOUT £ 150mA, VOUT + 1V £ VIN £ 5.5V

VOUT + 1V £ VIN £ 5.5V, IOUT = 1mA

-1%

-2%

Load Regulation(1)

REG(LOAD)

0.1mA £ IOUT £ 150mA

Typ

100

130

0.2

VOUT

2.5

-5

Units

V

V

°C

°C

°C

°C/W

°C/W

°C/W

kV

Max Units

6.50 V

150 µA

200

200 µA

250

1.0 µA

1.5

+1% V

+2%

10 mV

12

-20 mV

-30

ã 2000 Semtech Corp.

2

www.semtech.com

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