REF3440QDBVRQ1 datasheet(6/34 Pages) TI

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At TA = 25°C unless otherwise noted.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

TURNON

tON

Turn on time

0.1% of output voltage settling, CL = 10 µF

2.5

CAPACITIVE LOAD

Stable output

capacitor value

−40°C ≤ TA ≤ 125°C

0.1

µF

OUTPUT VOLTAGE

VREF

Output voltage

REF3425Q1

2.5

REF3430Q1

REF3433Q1

3.3

REF3440Q1

4.096

REF3450Q1

5.0

POWER SUPPLY

VIN

Input voltage

VREF +

VDO

Output current

capacity

VIN = VREF + VDO (6) to 12 V

Sourcing

VIN = VREF + VDO (6) to 12 V

Sinking

–10

Quiescent current

−40°C ≤ TA ≤ 125°C

Active mode

µA

−40°C ≤ TA ≤ 125°C

Shutdown mode

2.5

VDO

Dropout voltage

IL = 0 mA, TA = 25°C

IL = 0 mA, −40°C ≤ TA ≤ +125°C

100

IL = 10 mA, −40°C ≤ TA ≤ +125°C

500

VEN

ENABLE pin

voltage

Voltage reference in active mode (EN = 1)

1.6

Voltage reference in shutdown mode (EN = 0)

0.5

IEN

ENABLE pin

leakage current

VEN = VIN=12 V, −40°C ≤ TA ≤ 125°C

µA

(1)

Temperature drift is specified according to the box method. See Section 9.3 for more details.

(2)

The peak-to-peak noise measurement procedure is explained in more detail in Section 8.5.

(3)

Long-term stability measurement procedure is explained in more in detail in Section 8.2.

(4)

The thermal hysteresis measurement procedure is explained in more detail in Section 8.3.

(5)

The dropout voltage in line regulation test condition is 50 mV.

(6)

The dropout voltage in test condition is 500 mV.

REF34-Q1

SBAS901B – JULY 2018 – REVISED SEPTEMBER 2020

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