1.2525

1.2520

1.2515

1.2510

1.2505

1.2500

1.2495

1.2490

1.2485

1.2480

1.2475

1.5

2.5

3.5

3

4.5

4

2

5

InputVoltage(V)

+125 C

°

+25 C

°

-

°

40 C

2.505

2.504

2.503

2.502

2.501

2.500

2.499

2.498

2.497

2.496

2.495

-15

-10

-5

0

5

10

15

LoadCurrent(mA)

+125 C

°

+25 C

°

-

°

40 C

400ms/div

OutputAccuracy(%)

10 s/div

m

V

IN

V

OUT

100ms/div

V

IN

V

OUT

REF3212, REF3220

REF3225, REF3230

REF3233, REF3240

SBVS058C

– JUNE 2005 – REVISED AUGUST 2011

www.ti.com

TYPICAL CHARACTERISTICS (continued)

At TA = +25°C, ILOAD = 0mA, VIN = +5V power supply, and REF3225 used for typical characteristics, unless otherwise noted.

OUTPUT VOLTAGE vs INPUT VOLTAGE

(REF3212)

OUTPUT VOLTAGE vs LOAD CURRENT

Figure 7.

Figure 8.

0.1Hz TO 10Hz NOISE

OUTPUT VOLTAGE INITIAL ACCURACY

Figure 9.

Figure 10.

STEP RESPONSE

STEP RESPONSE

CL = 0pF, 5V STARTUP

CL = 1µF

Figure 11.

Figure 12.

6

Copyright

© 2005–2011, Texas Instruments Incorporated