UR78XX

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

3 of 7

www.unisonic.com.tw

QW-R502-B82.G



ABSOLUTE MAXIMUM RATING

PARAMETER

SYMBOL

RATINGS

UNIT

Input Voltage

VIN

36

V

Power Dissipation

PD

500

mW

Junction Temperature

TJ

+125

°C

Operating Temperature Range

TOPR

-40 ~ +125

°C

Storage Temperature Range

TSTG

-40 ~ +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.



THERMAL DATA

PARAMETER

SYMBOL

RATINGS

UNIT

Junction to Ambient

θJA

200

°С/W

Junction to Case

θJC

50

°С/W



ELECTRICAL CHARACTERISTICS (TA=25°C, unless otherwise specified)

UTC UR7833

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Output Voltage

VOUT

VIN=VOUT+2V, IOUT=10mA

3.234

3.3

3.366

V

Output Current (Note 1)

IOUT

VIN=VOUT+2V

70

100

mA

Dropout Voltage (Note 2)

VDROP

IOUT=1mA

30

80

mV

Line Regulation

OUT

IN

1

OUT

V

V

Δ

V

Δ

•

VOUT+2V≤VIN≤36V, IOUT=1mA

0.05

0.2

%/V

Load Regulation

ΔVOUT2

VIN=VOUT+2V, 1.0mA≤IOUT≤50mA

30

80

mV

Output Voltage Temperature

Coefficient

OUT

A

1

OUT

V

T

V

Δ

•

VIN=VOUT+2V,

IOUT=10mA , -40°C≤TA≤85°C

±50

±100 Ppm/°C

Supply Current

ISS1

VIN=VOUT+2V

1.2

3.0

uA

UTC UR7836

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Output Voltage

VOUT

VIN=VOUT+2V, IOUT=10mA

3.528

3.6

3.672

V

Output Current (Note 1)

IOUT

VIN=VOUT+2V

70

100

mA

Dropout Voltage (Note 2)

VDROP

IOUT=1mA

30

65

mV

Line Regulation

OUT

IN

1

OUT

V

V

Δ

V

Δ

•

VOUT+2V≤VIN≤36V, IOUT=1mA

0.05

0.2

%/V

Load Regulation

ΔVOUT2

VIN=VOUT+2V, 1.0mA≤IOUT≤50mA

30

80

mV

Output Voltage Temperature

Coefficient

OUT

A

1

OUT

V

T

V

Δ

•

VIN=VOUT+2V,

IOUT=10mA , -40°C≤TA≤85°C

±50

±100 Ppm/°C

Supply Current

ISS1

VIN=VOUT+2V

1.2

3.0

uA

UTC UR7840

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Output Voltage

VOUT

VIN=VOUT+2V, IOUT=10mA

3.92

4.0

4.08

V

Output Current (Note 1)

IOUT

VIN=VOUT+2V

70

100

mA

Dropout Voltage (Note 2)

VDROP

IOUT=1mA

30

65

mV

Line Regulation

OUT

IN

1

OUT

V

V

Δ

V

Δ

•

VOUT+2V≤VIN≤36V, IOUT=1mA

0.05

0.2

%/V

Load Regulation

ΔVOUT2

VIN=VOUT+2V, 1.0mA≤IOUT≤50mA

30

80

mV

Output Voltage Temperature

Coefficient

OUT

A

1

OUT

V

T

V

Δ

•

VIN=VOUT+2V,

IOUT=10mA , -40°C≤TA≤85°C

±50

±100 Ppm/°C

Supply Current

ISS1

VIN=VOUT+2V

1.2

3.0

uA