79TXXA

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

3 of 6

www.unisonic.com.tw

QW-R101-013.F



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

Internally Limited

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

RATINGS

UNIT

Junction to Ambient

θJA

65

°C/W

Junction to Case

θJC

5

°C/W



ELECTRICAL CHARACTERISTICS

(Refer to test circuits, TJ=-40°С-125°С, IOUT =500mA, CO=1uF, unless otherwise specified)

FOR 79T05A

(VIN =-10V, CI =33uF)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX UNIT

Output Voltage

VOUT

TJ=25°C

-4.80

-5.0

-5.20

V

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

-4.75

-5.25

V

Line Regulation

VOUT

TJ=25°C, VIN =-7V ~ -25V

10

100

mV

TJ=25°C, VIN =-8V ~ -12V

4

50

mV

Load Regulation

VOUT

TJ=25°C, IOUT =5mA ~ 1A

10

100

mV

TJ=25°C, IOUT =250mA ~ 750mA

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

Temperature coefficient of VO

VO/T IOUT =5mA

-0.4

mV/°C

Output Noise Voltage

eN

f=10Hz ~ 100kHz, TA=25°C

100

V

Ripple Rejection

RR

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

54

60

dB

Dropout Voltage

VD

IOUT =1.0A, TJ=25°C

2

V

Short-Circuit Current

ISC

VIN =-35V, TA=25°C

300

mA

Peak Output Current

IPEAK

TJ=25°C

2.2

A

FOR 79T06A

(VIN =-11V, CI =2.2uF)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX UNIT

Output Voltage

VOUT

TJ=25°C

-5.76 -6.00 -6.24

V

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

-5.70

-6.30

V

Line Regulation

VOUT

TJ=25°C, VIN =-8V ~ -25V

10

120

mV

TJ=25°C, VIN =-9V ~ -13V

5

60

mV

Load Regulation

VOUT

TJ=25°C, IOUT =5mA ~ 1A

10

120

mV

TJ=25°C, IOUT =250mA ~ 750mA

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

Temperature coefficient of VO

VO/T IOUT =5mA

-0.5

mV/°C

Output Noise Voltage

eN

f=10Hz ~ 100kHz, TA=25°C

130

V

Ripple Rejection

RR

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

54

60

dB

Dropout Voltage

VD

IOUT =1.0A, TJ=25°C

2

V

Short-Circuit Current

ISC

VIN =-35V, TA=25°C

300

mA

Peak Output Current

IPEAK

TJ=25°C

2.2

A