6.5 Electrical Characteristics REF53-Q1 (continued)

At TA = 25°C, IREF = 0mA, CREF = 1µF and VIN (1) = (VREF + 0.5V), VEN = VIN unless otherwise noted

PARAMETER

TEST CONDITION

MIN

TYP

MAX

UNIT

VS

Supply voltage

See note (1)

VREF + 0.2

18

V

VEN

Enable pin voltage

Active mode (EN = 1)

1.6

Shutdown Mode (EN = 0)

0.5

IEN

VEN = VIN = 18V

400

nA

Shutdown Current

VEN = 0, –40°C <TA<125°C

6

µA

Quiescent Current

–40°C <TA<125°C

85

150

TEMPERATURE RANGE

Specified range

–40

125

°C

Operating range

–55

125

(1)

For VREF < 1.8V and IREF = 0mA, the minimum supply voltage is 1.71V.

(2)

For VREF < 1.8V and IREF = ±10mA, the minimum supply voltage is 1.71V + 0.75V

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REF53-Q1

SNVSCU8 – AUGUST 2026

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