78TXXAA

LINEAR INTEGRATED CIRCUIT

UNISONIC TECHNOLOGIESCO.,LTD

4 of 8

www.unisonic.com.tw

QW-R101-044.F



ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified)

PARAMETER

SYMBOL

RATING

UNIT

Input voltage

VOUT=5~18V

VIN

35

V

VOUT=24V

40

V

Output Current

IOUT

1.5

A

Power Dissipation

PD

Internally Limited

W

Operating Junction Temperature

TOPR

-40 ~ +150

°C

Storage Temperature

TSTG

-55 ~ +150

°C



THERMAL DATA

PARAMETER

SYMBOL

RATING

UNIT

Junction to Ambient

θJA

65

°C/W

Junction to Case

θJC

5

°C/W



ELECTRICAL CHARACTERISTICS

(IOUT=0.5A, CI =0.33μF, CO=0.1μF, unless otherwise specified)(Note 1)

For 78T05AA (VIN =10V, IOUT =0.5A)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP MAX

UNIT

Output Voltage

VOUT

IOUT =5mA~1.0A

4.80

5.0

5.20

V

VIN =7.5~20V, IOUT =5mA~1.0A

4.75

5.25

V

Load Regulation

VOUT

IOUT =5mA~1.5A

100

mV

IOUT =0.25A~0.75A

50

mV

Line Regulation

VOUT

VIN =7~25V

50

mV

VIN =7.5~20V, IOUT =1.0A

50

mV

Quiescent Current

IQ

IOUT≤1.0A

8.0

mA

Quiescent Current Change

IQ

VIN =7.5~20V

1.0

mA

IOUT =5mA~1.0A

0.5

mA

Output Noise Voltage

eN

10Hz≤f≤100kHz

40

μV

Ripple Rejection

RR

VIN =8~18V,f=120Hz

59

80

dB

Peak Output Current

IPEAK

1.8

A

Short-Circuit Current

ISC

VIN =35V

250

mA

Dropout Voltage

VD

IOUT=1.5A

2.5

V

For 78T06AA (VIN =11V, IOUT =0.5A)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP MAX

UNIT

Output Voltage

VOUT

IOUT =5mA~1.0A

5.76

6.0

6.24

V

VIN =8.5~21V, IOUT =5mA~1.0A

5.7

6.3

V

Load Regulation

VOUT

IOUT =5mA~1.5A

120

mV

IOUT =0.25A~0.75A

60

mV

Line Regulation

VOUT

VIN =8~25V

60

mV

VIN =8.5~21V, IOUT =1.0A

60

mV

Quiescent Current

IQ

IOUT≤1.0A

8.0

mA

Quiescent Current Change

IQ

VIN =8.5~21V

1.0

mA

IOUT =5mA~1.0A

0.5

mA

Output Noise Voltage

eN

10Hz≤f≤100kHz

45

μV

Ripple Rejection

RR

VIN =9~19V,f=120Hz

56

75

dB

Peak Output Current

IPEAK

1.8

A

Short-Circuit Current

ISC

VIN =35V

250

mA

Dropout Voltage

VD

IOUT=1.5A

2.5

V