LP2950/2951

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

4 of 7

www.unisonic.com.tw

QW-R102-001.L

ELECTRICAL CHARACTERISTICS(Cont.)

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

Shutdown Input

Low

Regulator ON

1.3

0.70

Input Logic Voltage

High

Regulator OFF

2.0

V

30

50

μA

Shutdown Pin Input Current

450

600

μA

Regulator Output Current

Shutdown

Feedback pin tied to 5V Tap.

3

10

μA

Note: 1.

2.

3.

4.

Dropout Voltage is defined as the input to output differential at which the output voltage drops 100mV below

its nominal value measured at 1V differential.

Comparator thresholds are expressed in terms of percentage value of voltage output.