REF50 datasheet(9/52 Pages) TI2

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6.6 Electrical Characteristics REF50xxEI

At TA = 25°C, ILOAD = 0, CL = 1μF and VIN = VEN = (VOUT + 0.25V) , unless otherwise noted

PARAMETER

TEST CONDITION

MIN

TYP

MAX

UNIT

OUTPUT VOLTAGE

VOUT

Output Voltage

REF5025E

2.5

REF5030E

3.0

REF5040E

4.096

REF5045E

4.5

REF5050E

Initial accuracy

All voltage options

–0.025

0.025

dVOUT/dT

TA = –40°C to 125°C

2.5

ppm/

℃

NOISE

enpp

Low Frequency noise

ƒ = 0.1Hz to 10Hz

0.5

µVPP/V

Output Voltage Noise

ƒ = 10Hz to 1kHz

0.8

µVrms/V

LINE REGULATION

ΔVO(ΔVI)

Line regulation

VIN = (VOUT + 0.2V) to 42V

ppm/V

VIN = VOUT + 0.2V to 42V, TA = –40°C to 125°C

LOAD REGULATION

ΔVO(ΔIL)

Load regulation

–10mA < IOUT < 10mA, VIN = VOUT + 0.75V

ppm/mA

10mA < IOUT < 10mA, VIN = VOUT + 0.75V, TA =

–40°C to 125°C

SHORT-CIRCUIT CURRENT

ISC

Short circuit current

VOUT = 0

THERMAL HYSTERESIS AND LONG-TERM STABILITY

SOIC-8

Cycle 1

ppm

SOIC-8

Cycle 2

ppm

LONG-TERM STABILITY

ΔVOUT_LTD SOIC-8

0 to 1000 hours

ppm

1000 to 2000 hours

ppm

TEMP PIN

Voltage output

625

Temperature sensitivity

TA = -40°C to 125°C

2.64

mV/°C

TURN-ON SETTLING TIME

Turn-on settling time

To 0.1% with CL = 1μF

400

μs

CAPACITIVE LOAD

CIN

Stable input capacitor

range

–40

℃ ≤ TA ≤ 125℃

0.1

µF

Stable output capacitor

range

–40

℃ ≤ TA ≤ 125℃

100

µF

POWER SUPPLY

Supply voltage

See note

VOUT + 0.2

Quiescent current

340

μA

–40°C ≤ TA ≤ 125°C

480

μA

Quiescent

current

Shunt down current

VEN = 0V

μA

Enable

Voltage

VEN

Active mode (EN = 1)

1.6

Shutdown Mode (EN = 0)

0.5

TEMPERATURE RANGE

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REF50, REF50E

SBOS410O – JUNE 2007 – REVISED OCTOBER 2025

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