LR7XXYY

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CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

5 of 7

www.unisonic.com.tw

QW-R102-068.b



ABSOLUTE MAXIMUM RATING

PARAMETER

SYMBOL

RATINGS

UNIT

Input Voltage

6.0

V

Input Voltage (CE Pin)

6.0

V

Output Voltage

V

Output Current 1

400

mA

Output Current 2

400

mA

Power Dissipation

880

mW

Operating Temperature Range

-40 ~ +85

°C

Storage Temperature Range

-55 ~ +125

°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.



ELECTRICAL CHARACTERISTICS

noted)

VR1/VR

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

×0.99

×1.01

V

Output Voltage

-20

+20

mV

Output Current

300

mA

Load Regulation

20

40

mV

0.40

1.00

0.34

0.80

0.29

0.50

0.24

0.38

Dropout Voltage

0.21

0.34

V

Supply Current

25

33

µA

Standby Current

Istandby

0.1

3.0

µA

Line Regulation

0.02

0.10

%/V

Ripple Rejection

RR

80

dB

Input Voltage (Note 1)

2.5

5.25

V

Output Voltage

Temperature Coefficient

±30

ppm/°C

Short Current Limit

50

mA

CE Pull-Down Current

0.05

0.3

0.6

µA

CE Input Voltage “H”

1.5

6.0

V

CE Input Voltage “L”

0.3

V

Output Noise

en

BW=10Hz~100kHz

30

µVrms

Low Output Nch Tr. ON

Resistance (B version)

30

Ω

Note: The maximum Input Voltage of the ELECTRICAL CHARACTERISTICS is 5.25V. In case of exceeding this

specification, the IC must be operated on condition that the Input Voltage is up to 5.5V and the total operating

time is within 500hrs.