120

100

80

60

40

20

0

-60

-40

-20

0

20

40

60

100

120

80

140

Temperature ( C)

°

100

10

1

0.1

0.01

1

10

100

1k

100k

10k

1M

Frequency (Hz)

0.16

0.14

0.12

0.10

0.08

0.06

0.04

0.02

0

-0.02

-0.04

-60 -40 -20

0

40

20

60

80

100

120

140

Temperature ( C)

°

120

100

80

60

40

20

0

-15

-10

-5

0

5

10

15

Load Current (mA)

18

16

14

12

10

8

6

4

2

0

1

0

Drift (ppm/ C)

°

2

3

4

5

6

8

9

10 11 12 13 14 15 16

25

20

15

10

5

0

1

0

Drift (ppm/ C)

°

2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21

6

REF3112, REF3120, REF3125

REF3130, REF3133, REF3140

SBVS046D – DECEMBER 2003 – REVISED MARCH 2016

www.ti.com

Product Folder Links: REF3112 REF3120 REF3125 REF3130 REF3133 REF3140

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Copyright © 2003–2016, Texas Instruments Incorporated

7.6 Typical Characteristics

At TA = 25°C, VIN = 5-V power supply, and REF3125 is used for typical characteristic measurements, unless otherwise noted.

Figure 1. Temperature Drift (0°C to 70°C)

Figure 2. Temperature Drift (–40°C to +125°C)

Figure 3. Output Voltage vs Temperature

Figure 4. Dropout Voltage vs Load Current

Figure 5. Quiescent Current vs Temperature

Figure 6. Output Impedance vs Frequency