LP2950/2951

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

3 of 7

www.unisonic.com.tw

QW-R102-001,J

ABSOLUTE MAXIMUM RATINGS

PARAMETER

SYMBOL

RATINGS

UNIT

Supply Voltage

-0.3 ~ +30

V

Feedback Voltage

-1.5 ~ +30

V

Shutdown Voltage

-0.3 ~ +30

V

Operation Junction Temperature

-40 ~ +125

°C

Storage Temperature

-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.

For All Version:

PARAMETER

SYMBOL

TEST CONDITION

MIN

TYP

MAX

UNIT

V

Output Voltage

-25

°C≦T

V

Output Voltage

100

µA≦I

V

Output Voltage Temperature

Coefficient

TcVo

20

100

ppm/

°C

Line Regulation

0.03

0.1

0.2

%

Load Regulation

µA≦I

0.04

0.1

0.2

%

Dropout Voltage

50

380

80

450

150

600

mV

Ground Current

75

8

120

12

140

14

µA

mA

Dropout Ground Current

110

170

200

µA

Current Limit

160

200

220

mA

Output Noise (10Hz ~ 100KHz)

(Bypass=0.01

µF pins 7 to 1

(LP2951))

eN

430

160

100

µV

For UTC LP2951 8-Pin Version Only

PARAMETER

SYMBOL

TEST CONDITION

MIN

TYP

MAX

UNIT

Reference Voltage

1.22

1.235

1.25

V

Reference Voltage

Over temperature(Note 4)

1.19

1.27

V

Feedback pin Bias Current

20

40

nA

Reference Voltage Temperature

Coefficient

50

ppm/

°C

Feedback Bias Current

Temperature Coefficient

0.1

nA/

°C

Error Comparator

Output Leakage Current

1

µA

Output Low Voltage

250

mV

Upper

(Note 3)

3.2

%VO

Threshold Voltage

Lower

(Note 3)

7.6

%VO

Hysteresis

(Note 3)

15

mV