5

REF4132

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SNAS794A – JUNE 2020 – REVISED JUNE 2020

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Copyright © 2020, Texas Instruments Incorporated

(1)

At higher ambient temperature the short circuit current capacity is limited due to junction temeprature max limit

7.5 Electrical Characteristics

At VIN = 5.5 V, VEN = VIN, CREF = 10 µF, CIN = 0.1 µF, IL = 0 mA, minimum and maximum specifications at TA = –40℃ to

125

℃; typical specifications at TA = 25℃ unless otherwise noted

PARAMETER

TEST CONDITION

MIN

TYP

MAX

UNIT

ACCURACY AND DRIFT

Output voltage

accuracy

TA = 25°C

–0.05

0.05

%

Output voltage

temperature

coefficient

–40°C

≤ TA ≤ 125°C

REF4132 A grade

12

ppm/

℃

–40°C

≤ TA ≤ 125°C

REF4132 B grade

30

ppm/

℃

LINE & LOAD REGULATION

ΔVREF/ΔVIN

Line Regulation

VREF + VDO ≤ VIN ≤ 5.5 V

2

ppm/V

VREF + VDO ≤ VIN ≤ 5.5 V

15

ppm/V

VREF = 5 V, VREF + VDO ≤ VIN ≤ 5.5 V

55

ppm/V

ΔVREF/ΔIL

Load Regulation

IL = 0 mA to 10mA, VIN = VREF + VDO

20

ppm/mA

IL = 0 mA to 10mA, VIN = VREF + VDO

120

ppm/mA

POWER SUPPLY

VIN

Input voltage

VREF +

VDO

5.5

V

IQ

Quiescent current

Active mode

80

100

µA

Shutdown mode, VEN = 0 V

2.5

5

µA

VEN

Enable pin

Voltage

Voltage reference in active mode (EN=1)

1.6

V

Voltage reference in shutdown mode (EN=0)

0.5

V

IEN

Enable pin

current

VEN = 5.5 V

1

2

µA

VDO

Dropout voltage

IL = 0 mA

50

mV

IL = 0 mA

100

mV

IL = 10 mA

500

mV

ISC

Short circuit current

(1)

VREF = 0 V

18

11.5

mA

TURNON

tON

Turn-on time

0.1% settling, CL = 1 µF, 10% to 90%

2.5

ms

NOISE

en(p-p)

Low frequency

noise

ƒ = 0.1 Hz to 10 Hz

15

ppmp-p

en

Wide band

noise

ƒ = 10 Hz to 10 kHz

24

µVrms

HYSTERESIS AND LONG-TERM STABILITY

Long-term stability

0 to 1000h at 35

℃

30

ppm

VHYST

Output voltage

hysteresis

TA= 25℃ to −40℃ to 125℃ to 25℃

35

ppm

CAPACITIVE LOAD

CL

Stable output

capacitor range

0.1

10

µF