6.5 Electrical Characteristics REF54250

Typical specifications at TA = 25°C, min-max specifications verified across temperature range, IL = 0 mA, CIN = 0.1 µF, COUT

= 10 µF, CNR = Open, VIN = VOUT + VDO, unless otherwise noted

PARAMETER

TEST CONDITION

MIN

TYP

MAX

UNIT

ACCURACY AND DRIFT

Output voltage accuracy TA = 25°C

–0.02

0.02

%

Output voltage

temperature coefficient

Q grade; –40°C ≤ TA ≤ 125°C

1.5

ppm/

℃

C grade; 0°C ≤ TA ≤ 70°C

0.8

LINE AND LOAD REGULATION

ΔVO / ΔVIN Line regulation

VOUT + VDO ≤ VIN ≤ 10 V

4

30

ppm/V

VOUT + VDO ≤ VIN ≤ 18 V, 0°C ≤ TA ≤ 70°C

1

5

VOUT + VDO ≤ VIN ≤ 18 V, –40°C ≤ TA ≤ 125°C

1

10

ΔVO / ΔIL

Load regulation

IL = 0 mA to 10mA, VIN = VOUT + VDO, –40°C ≤

TA ≤ 125°C

5

30

ppm/mA

IL = 0 mA to 10mA, VIN = VOUT + VDO, 0°C ≤ TA ≤

70°C

5

20

IL = 0 mA to –10mA, VIN = VOUT + VDO, –40°C ≤

TA ≤ 125°C

5

40

IL = 0 mA to –10mA, VIN = VOUT + VDO, 0°C ≤

TA ≤ 70°C

5

25

NOISE

enp-p

Low frequency noise

ƒ = 0.1 Hz to 10 Hz

0.45

ppmp-p

ƒ = 0.1 Hz to 10 Hz, , CNR = 100µF

0.11

en

Output voltage noise

ƒ = 10 Hz to 1 kHz

0.7

ppmrms

HYSTERESIS AND LONG-TERM STABILITY

ΔVOUT_LTD Long-term stability

250h TA = 35°C

14

ppm

1000h TA = 35°C

25

ΔVOUT_HYS

Output voltage

hysteresis

25°C, 0°C, 70°C, 25°C (cycle 1)

15

ppm

25°C, 0°C, 70°C, 25°C (cycle 2)

0.8

TURN ON TIME

tON

Turn-on time

0.1% settling, COUT = 1µF

0.4

ms

CAPACITIVE LOAD

CIN

Stable input capacitor

range

–40

℃ ≤ TA ≤ 125℃

0.1

µF

COUT

Stable output capacitor

range (1)

–40

℃ ≤ TA ≤ 125℃

1

100

µF

POWER SUPPLY

VIN

Input voltage

VOUT +

VDO

18

V

IQ

Quiescent current

TA = 25°C

Active mode

260

320

µA

–40°C ≤ TA ≤ 125°C

380

µA

TA = 25°C

Shutdown mode

0.25

0.7

uA

–40°C ≤ TA ≤ 125°C

1

uA

VEN

Enable pin voltage

Active mode (EN=1)

1.6

V

Shutdown mode (EN=0)

0.5

V

IEN

Enable pin current

VIN = VEN = 18 V

0.25

0.7

uA

VIN = VEN = 18 V, –40°C ≤ TA ≤ 125°C

1.2

uA

VDO

Dropout voltage

IL = 5mA, –40°C ≤ TA ≤ 125°C

250

mV

IL = 10mA, –40°C ≤ TA ≤ 125°C

400

mV

REF54

SNVSCN7 – NOVEMBER 2023

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