LR2125

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

4 of 8

www.unisonic.com.tw

QW-R102-038.F

PARAMETER

SYMBOL

RATINGS

UNIT

-0.3 ~ +6.5

V

SHDN

SHDN

V

-0.3 ~ +6.5

V

Power Dissipation

380

mW

Junction Temperature

-40~ +125

°С

Storage Temperature

-65 ~ +150

°С

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.

RECOMMENDED OPERATING CONDITIONS

PARAMETER

SYMBOL

RATINGS

UNIT

2.8 ~ 6

V

Output Voltage

0.8 ~ 5.5

V

0 ~ 300

mA

Input Capacitor

0.22 ~ 100

μF

Output Capacitor

1.5 ~ 33

μF

Junction Temperature

-40 ~ +85

°С

ELECTRICAL CHARACTERISTICS

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX UNIT

Output Voltage

0.8

5.5

V

Input Voltage

2.8

6

V

Line Regulation

OUT

IN

OUT

V

×

ΔV

ΔV

△

-0.06

+0.06

%/V

Load Regulation

OUT

OUT

OUT

V

×

I

Δ

ΔV

△

-0.2

+0.2

%/A

Output Voltage Accuracy

-2

+2

%

Reference Voltage

0.784

0.8

0.816

V

Quiescent Current

135

160

μA

Dropout Voltage

230

360

mV

170

300

mV

Power Supply Ripple Rejection Ratio

PSRR

45

dB

Output Voltage Noise

eN

160

Current Limit

400

500

650

mA

Shutdown Threshold

1.6

V

0.4

V

Shutdown Supply Current

0.1

1

μA

SHDN = Low

60

Ω

Thermal Shutdown Temperature

160

°С

Thermal Shutdown Hysteresis

40

°С

SET Input Threshold for

Fixed/Adjustable Output Voltage Mode

100

mV

SET Input Bias Current

-100

100

nA

Soft-Start Interval

60

μs