PT6521 datasheet(6/8 Pages) TI

Part #	PT6521

Description	8-A 5-V/3.3-V Input Adjustable ISR with Short-Circuit protection

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Manufacturer	TI [Texas Instruments]

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Application Notes continued

PT6520 Series

Series Pt #

PT6527

PT6522

PT6526

PT6525

PT6523

Vo (nom)

1.2V

1.5V

1.8V

2.1V

2.5V

Va (req’d)

1.1

(5.1)k

Ω

1.15

(45.1)k

Ω

1.2

1.25

135.0k

Ω

1.3

55.1k

Ω

1.35

28.4k

Ω

1.4

15.1k

Ω

1.45

7.1k

Ω

1.47

4.7k

Ω

(18.1)k

Ω

1.5

1.8k

Ω

1.55

209.0k

Ω

1.6

79.6k

Ω

1.65

36.5k

Ω

1.7

14.9k

Ω

1.75

(46.1)k

Ω

1.8

1.85

204.0k

Ω

1.9

77.1k

Ω

1.95

34.8k

Ω

(12.1)k

Ω

2.0

13.6k

Ω

(39.8)k

Ω

2.05

(123.0)k

Ω

2.1

2.15

221.k

Ω

2.2

93.8k

Ω

2.25

51.5k

Ω

(6.0)k

Ω

2.3

30.3k

Ω

(18.3)k

Ω

2.35

17.6k

Ω

(38.8)k

Ω

2.4

9.1k

Ω

(79.8)k

Ω

2.45

3.1k

Ω

(203.0)k

Ω

2.5

2.55

221.0k

Ω

2.6

93.8k

Ω

2.65

(See Note 4)

51.5k

Ω

2.7

30.3k

Ω

2.75

17.6k

Ω

2.8

9.1k

Ω

2.85

3.1k

Ω

R1 = (Blue)

R2 = Black

Table 2

PT6520 ADJUSTMENT RESISTOR VALUES

Series Pt #

PT6521

Vo (nom)

3.3V

Va (req’d)

2.75

(2.0)k

Ω

2.8

(5.7)k

Ω

2.85

(10.2)k

Ω

2.9

(15.9)k

Ω

2.95

(23.1)k

Ω

3.0

(32.8)k

Ω

3.05

(46.3)k

Ω

3.1

(66.6)k

Ω

3.15

(100.0)k

Ω

3.2

(168.0)k

Ω

3.25

(371.0)k

Ω

3.3

3.35

229.0k

Ω

3.4

102.0k

Ω

3.45

59.8k

Ω

3.5

38.6k

Ω

3.55

25.9k

Ω

3.6

17.4k

Ω

3.65

11.4k

Ω

3.7

6.9k

Ω

3.75

3.3k

Ω

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