PT6921 datasheet(4/5 Pages) TI

4 / 5 page

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Note s

PT6920 Series

Table 2

PT6920 ADJUSTMENT RESISTOR VALUES

Output Bus

V1 out

V2 out

Series Pt #

PT6921/22

PT6921

PT6922

Adj Resistor

(R3)/R4

(R1)/R2

Vo(nom)

3.3Vdc

2.5Vdc

1.5Vdc

Va(req’d)

1.2

(0.0)k

Ω

1.25

(3.3)k

Ω

1.3

(8.2)k

Ω

1.35

(16.3)k

Ω

1.4

(32.6)k

Ω

1.45

(81.4)k

Ω

1.5

1.55

189.0k

Ω

1.6

91.1k

Ω

1.65

58.6k

Ω

1.7

42.3k

Ω

1.75

32.6k

Ω

1.8

(0.0)k

Ω

26.0k

Ω

1.85

(1.6)k

Ω

21.4k

Ω

1.9

(3.5)k

Ω

17.9k

Ω

1.95

(5.8)k

Ω

15.2k

Ω

2.0

(8.5)k

Ω

13.0k

Ω

2.05

(11.8)k

Ω

11.3k

Ω

2.1

(16.0)k

Ω

9.8k

Ω

2.15

(21.4)k

Ω

8.5k

Ω

2.2

(28.5)k

Ω

7.5k

Ω

2.25

(38.5)k

Ω

6.5k

Ω

2.3

(3.6)k

Ω

(53.5)k

Ω

5.7k

Ω

2.35

(5.1)k

Ω

(78.5)k

Ω

5.0k

Ω

2.4

(6.7)k

Ω

(129.0)k

Ω

4.4k

Ω

2.45

(8.5)k

Ω

(279.0)k

Ω

3.8k

Ω

2.5

(10.6)k

Ω

3.3k

Ω

2.55

(12.9)k

Ω

189.0k

Ω

2.8k

Ω

2.6

(15.6)k

Ω

88.5k

Ω

2.4k

Ω

2.65

(18.6)k

Ω

55.2k

Ω

2.0k

Ω

2.7

(22.2)k

Ω

38.5k

Ω

1.6k

Ω

2.75

(26.4)k

Ω

28.5k

Ω

1.3k

Ω

2.8

(31.5)k

Ω

21.8k

Ω

1.0k

Ω

2.85

(37.6)k

Ω

17.1k

Ω

0.7k

Ω

2.9

(45.4)k

Ω

13.5k

Ω

0.5k

Ω

2.95

(55.3)k

Ω

10.7k

Ω

0.2k

Ω

3.0

(68.6)k

Ω

8.5k

Ω

0.0k

Ω

3.05

(87.1)k

Ω

3.1

(115.0)k

Ω

3.15

(161.0)k

Ω

3.2

(254.0)k

Ω

3.25

(532.0)k

Ω

3.3

3.4

109.0k

Ω

3.5

48.4k

Ω

3.6

28.2k

Ω

3.7

18.2k

Ω

3.8

12.1k

Ω

3.9

8.1k

Ω

4.0

5.2k

Ω

4.1

3.0k

Ω

4.2

1.3k

Ω

R1/R3 = (Red)

R2/R4 = Black

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