LP3981

SNVS159H – OCTOBER 2001 – REVISED JULY 2015

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Electrical Characteristics (continued)

Unless otherwise specified: VEN = 1.2 V, VIN = VOUT + 0.5 V, CIN = 2.2 µF, CBP = 0.033 µF, IOUT = 1 mA, COUT = 2.2 µF. All

values are for TJ = 25°C, unless otherwise specified.

(1)(2)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

OUTPUT CAPACITANCE

Capacitance

2.2

22

µF

COUT

Output capacitor

ESR

5

500

m

Ω

6.6 Timing Requirements

MIN

NOM

MAX

UNIT

Turnon time (1) (2)

240

CBYPASS = 0.033 µF

tON

µs

CBYPASS = 0.033 µF, TJ = –40°C to +125°C

350

(1)

Specified by design. Not production tested.

(2)

Turnon time is time measured between the enable input just exceeding VIH and the output voltage just reaching 95% of its nominal

value.

6

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