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90

80

70

60

50

40

30

20

10

0

10

100

1k

10k

100k

Frequency(Hz)

I

=1mA

LOAD

C

=1 F

m

LOAD

2.503

2.502

2.501

2.500

2.499

2.498

2.495

2.5

3.0

3.5

4.0

4.5

5.0

5.5

Supply(V)

2.497

2.496

-

°

40 C

+25 C

°

+125 C

°

I

=0mA

LOAD

400 s/div

m

V

IN

V

OUT

2.503

2.502

2.501

2.500

2.499

2.498

2.497

2.496

2.495

-5.0

-2.5

0

2.5

5.0

LoadCurrent(mA)

V =5V

S

+125 C

°

+25 C

°

-

°

40 C

1s/div

100 s/div

m

V

IN

V

OUT

REF3312,, REF3318

REF3320, REF3325

REF3330, REF3333

SBOS392A – AUGUST 2007 – REVISED SEPTEMBER 2007

TYPICAL CHARACTERISTICS (continued)

PSRR vs FREQUENCY

OUTPUT vs SUPPLY

Figure 7.

Figure 8.

STEP RESPONSE

OUTPUT VOLTAGE vs LOAD CURRENT

Figure 9.

Figure 10.

LINE TRANSIENT

0.1Hz TO 10Hz NOISE

Figure 11.

Figure 12.

6

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Product Folder Link(s): REF3312 REF3318 REF3320 REF3325 REF3330 REF3333