400ms/div

20

0

-20

-40

-60

-80

-100

-120

0

100

200

300 400

500

600

700

800 900 1000

Time (Hrs)

2.505

2.504

2.503

2.502

2.501

2.500

2.499

2.498

2.497

-15

-10

-5

0

5

10

15

Load Current (mA)

+125 C

°

+25 C

°

-40 C

°

100 s/div

m

V

IN

V

OUT

90

80

70

60

50

40

30

20

10

0

1

10

100

1k

10k

100k

Frequency (Hz)

2.505

2.504

2.503

2.502

2.501

2.500

2.499

2.498

2.0

2.5

3.0

3.5

4.0

4.5

5.5

6.0

5.0

6.5

Supply (V)

+125 C

°

+25 C

°

-40 C

°

7

REF3112-Q1, REF3120-Q1, REF3125-Q1

REF3130-Q1, REF3133-Q1, REF3140-Q1

www.ti.com

SBVS299 – APRIL 2017

Product Folder Links: REF3112-Q1 REF3120-Q1 REF3125-Q1 REF3130-Q1 REF3133-Q1 REF3140-Q1

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Copyright © 2017, Texas Instruments Incorporated

Typical Characteristics (continued)

noted.

Figure 7. PSRR vs Frequency

Figure 8. Output vs Supply

Figure 9. Output Voltage vs Load Current

5-V Start-Up

Figure 10. Step Response

Figure 11. 0.1-Hz to 10-Hz Noise

Figure 12. REF3112 Long-Term Stability