UTCLM7906 datasheet(3/6 Pages) UTC

Part #	UTCLM7906

Description	3 TERMINAL 1A NEGATIVE VOLTAGE REGULATOR

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Manufacturer	UTC [Unisonic Technologies]

Direct Link	http://www.utc-ic.com

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UTCLM79XX

LINEAR INTEGRATED CIRCUIT

UTC UNISONIC TECHNOLOGIES CO., LTD.

3

QW-R101-007,B

UTC7908 ELECTRICAL CHARACTERISTICS

(Refer to test circuits, 0<Tj<125°C,Io=500mA,Vi=-14V,Ci=2.2uF,Co=1uF,unless otherwise specified)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Tj=25

°C

-7.68

-8.0

-8.32

V

Output voltage

Vo

5.0mA<Io<1.0A,Po<15W

Vi=-10.5V to -23V

-7.60

-8.40

V

Line regulation

∆Vo

Tj=25

°C,Vi=-10.5V to -25V

10

100

mV

Tj=25

°C,Vi=-11.5V to -17V

5

80

mV

Load regulation

∆Vo

Tj=25

°C,Io=5.0mA to 1.5A

12

160

mV

Tj=25

°C,Io=250mA to 750mA

4

80

mV

Quiescent current

IQ

Tj=25

°C

3

6

mA

Quiescent current change

∆IQ

Io=5mA to 1.0A

0.05

0.5

mA

Vi=-11.5V to -25V

0.1

1.0

mA

Output voltage drift

∆Vo/∆T

Io=5mA

-0.6

mV/

°C

Output noise voltage

VN

f=10hz to 100kHz,Ta=25

°C

175

µV

Ripple rejection

RR

f=120Hz, Vi=-11.5V to -21.5V

54

60

dB

Dropout voltage

Vo

Io=1.0A,Tj=25

°C

2

V

Short citcuit current

Isc

Vi=-35V,Ta=25

°C

300

mA

peak current

Ipk

Tj=25

°C

2.2

A

UTC7912 ELECTRICAL CHARACTERISTICS

(Refer to test circuits, 0<Tj<125°C,Io=500mA,Vi=-18V,Ci=2.2uF,Co=1uF,unless otherwise specified)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Tj=25

°C

-11.52

-12.0

-12.48

V

Output voltage

Vo

5.0mA<Io<1.0A,Po<15W

Vi=-14.5V to -27V

-11.40

-12.60

V

Line regulation

∆Vo

Tj=25

°C,Vi=-14.5V to -30V

12

240

mV

Tj=25

°C,Vi=-16V to -22V

6

120

mV

Load regulation

∆Vo

Tj=25

°C,Io=5.0mA to 1.5A

12

240

mV

Tj=25

°C,Io=250mA to 750mA

4

120

mV

Quiescent current

IQ

Tj=25

°C

3

6

mA

Quiescent current change

∆IQ

Io=5mA to 1.0A

0.05

0.5

mA

Vi=-14.5V to -30V

0.1

1.0

mA

Output voltage drift

∆Vo/∆T

Io=5mA

-0.8

mV/

°C

Output noise voltage

VN

f=10hz to 100kHz,Ta=25

°C

200

µV

Ripple rejection

RR

f=120Hz, Vi=-15V to -25V

54

60

dB

Dropout voltage

Vo

Io=1.0A,Tj=25

°C

2

V

Short circuit current

Isc

Vi=-35V,Ta=25

°C

300

mA

peak current

Ipk

Tj=25

°C

2.2

A

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