79DXXA

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

3 of 9

www.unisonic.com.tw

QW-R101-039.I



ABSOLUTE MAXIMUM RATINGS (TA=25C, unless otherwise specified)

PARAMETER

SYMBOL

RATING

UNIT

Input Voltage

VIN

-35

V

Output Current

IOUT

1

A

Power Dissipation

PD

0.89

W

Operating Temperature

TOPR

-40 ~ +125

C

Storage Temperature

TSTG

-65 ~ +150

C

Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.

Absolute maximum ratings are stress ratings only and functional device operation is not implied.



THERMAL DATA

PARAMETER

SYMBOL

RATING

UNIT

Junction to Ambient

θJA

112

C/W

Junction to Case

θJC

12.5

C/W



ELECTRICAL CHARACTERISTICS

(IOUT=0.5A, TJ=0C~125C, CI=2.2uF, CO=1uF, unless otherwise specified)

For UTC 79D05A

(VIN=-10V)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Output Voltage

VOUT

TJ=25C -4.80

-5.0

-5.20

V

VIN=-7V~-20V, IOUT=5mA~1A

-4.75

-5.25

V

Dropout Voltage

VD

IOUT=1A

TJ=25C

2

V

Line Regulation

 VOUT

VIN=-7V~-25V

TJ=25C

10

100

mV

VIN=-8V~-12V

TJ=25C

5

60

mV

Load Regulation

 VOUT

IOUT=5mA~1A

TJ=25C

10

100

mV

IOUT=250mA~750mA

TJ=25C

3

50

mV

Quiescent Current

IQ

TJ=25C

3

6

mA

Quiescent Current Change

IQ

IOUT=5mA~1A

0.05

0.5

mA

VIN=-7V~-25V

0.1

1.3

mA

Output Noise Voltage

eN

f=10Hz~100kHz

TA=25C

100

μV

Output Voltage Drift

 VOUT/TIOUT=5mA

-0.4

mV/

C

Ripple Rejection

RR

VIN=-8V~-18V, f=120Hz

54

60

dB

Peak Current

IPEAK

TJ=25C

2.2

A

For UTC 79D06A

(VIN=-11V)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Output Voltage

VOUT

TJ=25C -5.76

-6.00

-6.24

V

VIN=-8V~-21V, IOUT=5mA~1A

-5.70

-6.30

V

Dropout Voltage

VD

IOUT=1.0A

TJ=25C

2

V

Line Regulation

VOUT

VIN=-8V~-25V

TJ=25C

10

120

mV

VIN=-9V~-13V

TJ=25C

5

60

mV

Load Regulation

VOUT

IOUT=5mA~1A

TJ=25C

10

120

mV

IOUT=250mA~750mA

TJ=25C

3

60

mV

Quiescent Current

IQ

TJ=25C

3

6

mA

Quiescent Current Change

IQ

IOUT=5mA~1A

0.05

0.5

mA

VIN=-8V~-25V

0.1

1.3

mA

Output Noise Voltage

eN

f=10Hz~100kHz

TA=25C

130

μV

Output Voltage Drift

VOUT/TIOUT=5mA

-0.5

mV/

C

Ripple Rejection

RR

VIN=-9V~-19V, f=120Hz

54

60

dB

Peak Current

IPEAK

TJ=25C

2.2

A