LP2950L-33-D08-R datasheet(4/7 Pages) UTC

4 / 7 page

LP2950/2951

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

4 of 7

www.unisonic.com.tw

QW-R102-001,J

ELECTRICAL CHARACTERISTICS(Cont.)

For UTC LP2951 8-Pin Version Only

PARAMETER

SYMBOL

TEST CONDITION

MIN

TYP

MAX

UNIT

Shutdown Input

Low

VIL

Regulator ON

1.3

0.70

Input Logic Voltage

High

VIH

Regulator OFF

2.0

VSHDN=2.4V

µA

Shutdown Pin Input Current

ISHDN

VSHDN=30V

450

600

µA

Regulator Output Current

Shutdown

IDFF

VSHDN≧2V, VIN≦30V, VOUT=0

Feedback pin tied to 5V Tap.

µA

Note 1:Additional conditions for 8-pin versions are FB pin tied to 5VTAP, Output tied to Sense(VOUT=5V) and

VSHDN≤0.8V.

Note 2: 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.

Note 3: Comparator thresholds are expressed in terms of percentage value of voltage output.

Note 4: VREF≤VOUT≤(VIN-1V), 2.3V≤VIN≤30V, 100µA≤IL≤100mA, TJ≤TJ(MAX)

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