REF3220AIDBVR datasheet(4/14 Pages) TI

4 / 14 page

REF3212,REF3220

REF3225,REF3230

REF3233,REF3240

SBVS058 −JUNE 2005

www.ti.com

ELECTRICAL CHARACTERISTICS (continued)

Boldface limits apply over the listed temperature range.

At TA = +25

°C, ILOAD = 0mA, and VIN = 5V, unless otherwise noted.

REF32xx

PARAMETER

UNIT

MAX

TYP

MIN

CONDITIONS

REF3212 / REF3220 / REF3225 / REF3230 / REF3233 / REF3240

OUTPUT VOLTAGE TEMP DRIFT

dVOUT/dT

°C ≤ TA ≤ +125°C

ppm/

°C

−40

°C ≤ TA ≤ +125°C

10.5

ppm/

°C

LONG-TERM STABILITY

0 to 1000h

ppm

LINE REGULATION

VOUT + 0.05(1) ≤ VIN ≤ 5.5V

−65

+65

ppm/V

LOAD REGULATION

dVOUT/dILOAD

Sourcing

0mA < ILOAD < 10mA, VIN = VOUT + 250mV(1)

−40

µV/mA

Sinking

−10mA < ILOAD < 0mA, VIN = VOUT + 100mV(1)

−60

µV/mA

THERMAL HYSTERESIS(2)

First cycle

100

ppm

Additional cycles

ppm

DROPOUT VOLTAGE(1)

VIN−VOUT

°C ≤ TA ≤ +125°C

OUTPUT CURRENT

ILOAD

VIN = VOUT + 250mV(1)

−10

SHORT-CIRCUIT CURRENT

ISC

Sourcing

Sinking

TURN-ON SETTLING TIME

to 0.1% at VIN = 5V with CL = 0

µs

ENABLE/SHUTDOWN

Reference in Shutdown mode

0.7

Reference is active

0.75

× VIN

VIN

POWER SUPPLY

IL = 0

Voltage

VIN

VOUT + 0.05(1)

5.5

Current

ENABLE > 0.75 x VIN

100

120

µA

Over-temperature

°C ≤ TA ≤ +125°C

115

135

Shutdown

ENABLE < 0.7V

0.1

µA

TEMPERATURE RANGE

Specified

−40

+125

°C

Operating

−55

+135

°C

Storage

−65

+150

°C

Thermal resistance, SOT23-6

θJA

200

°C/W

(1) The minimum supply voltage for the REF3212 is 1.8V.

(2) Thermal hysteresis procedure is explained in more detail in the Applications Information section.

(3) Load regulation is using force and sense lines; see the Load Regulation section for more information.

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