REF3212, REF3220

REF3225, REF3230

REF3233, REF3240

SBVS058C

– JUNE 2005 – REVISED AUGUST 2011

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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

CONDITIONS

MIN

TYP

MAX

UNIT

REF3212 / REF3220 / REF3225 / REF3230 / REF3233 / REF3240

OUTPUT VOLTAGE TEMP

dVOUT/dT

DRIFT

0

°C ≤ TA ≤ +125°C

4

7

ppm/

°C

–40°C ≤ TA ≤ +125°C

10.5

20

ppm/

°C

LONG-TERM STABILITY

0 to 1000h

55

ppm

LINE REGULATION

VOUT + 0.05

(1) ≤ V

IN ≤ 5.5V

–65

15

+65

ppm/V

LOAD REGULATION(2)

dVOUT/dILOAD

Sourcing

0mA

< ILOAD < 10mA, VIN = VOUT + 250mV

(1)

–40

3

40

µV/mA

Sinking

–10mA < ILOAD < 0mA, VIN = VOUT + 100mV

(1)

–60

20

60

µV/mA

THERMAL HYSTERESIS(3)

dT

First cycle

100

ppm

Additional cycles

25

ppm

DROPOUT VOLTAGE(1)

VIN – VOUT

0

°C ≤ TA ≤ +125°C

5

50

mV

OUTPUT CURRENT

ILOAD

VIN = VOUT + 250mV

(1)

–10

10

mA

SHORT-CIRCUIT CURRENT

ISC

Sourcing

50

mA

Sinking

40

mA

TURN-ON SETTLING TIME

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

60

µs

ENABLE/SHUTDOWN(4)

VL

Reference in Shutdown mode

0

0.7

V

VH

Reference is active

1.5

VIN

V

POWER SUPPLY

IL = 0

Voltage

VIN

VOUT + 0.05

(1)

5.5

V

Current

IQ

ENABLE

> 1.5V

100

120

µA

.. Over temperature

0

°C ≤ TA ≤ +125°C

115

135

µA

Shutdown

IS

ENABLE

< 0.7V

0.1

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)

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

(3)

Thermal hysteresis procedure is explained in more detail in the Applications Information TBD section.

(4)

If the rise time of the input voltage is less than or equal to 2ms, the ENABLE and IN pins can be tied together. For rise times greater

than 2ms, see the Supply Voltage section.

4

Copyright

© 2005–2011, Texas Instruments Incorporated