REF7012 datasheet(7/40 Pages) TI

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7.5 REF7012 Electrical Characteristics

Specifications are tested at TA = 25°C, IL = 0 mA, CIN = 0.1 µF, COUT = 10 µF, VIN = 3 V, OUTS connected to OUTF, unless

otherwise noted

PARAMETER

TEST CONDITION

MIN

TYP

MAX

UNIT

ACCURACY AND DRIFT

Output voltage accuracy TA = 25°C

–0.025

0.025

Output voltage

temperature coefficient

–40°C ≤ TA ≤ 125°C

ppm/

℃

LINE AND LOAD REGULATION

ΔVO / ΔVIN Line regulation

2.7 V ≤ VIN ≤ 18 V

ppm/V

2.7 V ≤ VIN ≤ 18 V, –40°C ≤ TA ≤ 125°C

ΔVO / ΔIL

Load regulation

IL = 0 mA to 10mA, VIN = 3 V

ppm/mA

IL = 0 mA to 10mA, VIN = 3 V, –40°C ≤ TA ≤ 125°C

IL = 0 mA to –10mA, VIN = 3 V

IL = 0 mA to –10mA, VIN = 3 V,

–40°C ≤ TA ≤ 125°C

NOISE

enp-p

Low frequency noise

ƒ = 0.1 Hz to 10 Hz

0.25

ppmp-p

Output voltage noise

ƒ = 10 Hz to 1 kHz

0.35

ppmrms

HYSTERESIS AND LONG-TERM STABILITY

Long-term stability

0 to 250h at 35°C –FKH package

ppm

0 to 1000h at 35°C – FKH package

Output voltage

hysteresis

25°C, –40°C, 125°C, 25°C – FKH package

ppm

25°C, –40°C, 85°C, 25°C – FKH package

25°C, 0°C, 70°C, 25°C – FKH package

TURN ON TIME

tON

Turn-on time

0.1% settling, COUT = 1µF

0.5

CAPACITIVE LOAD

CIN

Stable input capacitor

range

–40

℃ ≤ TA ≤ 125℃

0.1

µF

COUT

Stable output capacitor

range (1)

–40

℃ ≤ TA ≤ 125℃

100

µF

POWER SUPPLY

VIN

Input voltage

2.75

Quiescent current

TA = 25°C

Active mode

6.5

–40°C ≤ TA ≤ 125°C

7.5

TA = 25°C

Shutdown mode

–40°C ≤ TA ≤ 125°C

VEN

Enable pin voltage

Active mode (EN=1)

1.6

Shutdown mode (EN=0)

0.5

IEN

Enable pin current

VIN = VEN = 18V

3.2

VIN = VEN = 18V, –40°C ≤ TA ≤ 125°C

ISC

Short circuit current

VOUT = 0V

(1)

ESR for the capacitor can range from 10mΩ to 400mΩ

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REF70

SNAS781D – OCTOBER 2020 – REVISED DECEMBER 2021

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