Datasheet > RP12-AR

RP12-AR

更新时间： 2022-02-26 10:00:20

品牌	Logo	应用领域
RECOM		/
页数	文件大小	规格书
8页	816K
描述
12 Watt 1 x 1 Single and Dual Output

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数据手册

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RP12-AR 数据手册

RP12-AR

DC/DC Converter

Speciﬁcations (measured @ Ta= 25°C, nom. Vin, full load and after warm-up unless otherwise stated)

Series

OUTPUT TRIM

Output Voltage Trimming

It allows the user to increase or decrease the output voltage of the module. This is accomplished by connecting an external resistor between the Trim pin and

either the +Vout or -Vout pins. With an external resistor between the Trim and -Vout pin, the output voltage increases. With an external resistor between the

Trim and +Vout pin, the output voltage decreases. The values for trim resistors shown in trim tables below are according to standard E96 values; therefore, the

speciﬁed voltage may slightly vary.

Trim up

Trim down

-V

out

down

Trim

Vout_nom= nominal output voltage [VDC]

Vout_nom

R₁

R₂

k_u

V_ref

Vout_set

V_ref

= trimmed output voltage [VDC]

3.3VDC

5VDC

5k1Ω

10kΩ

56kΩ

2kΩ

0.8

2.5

= reference voltage

= trim up resistor

= trim down resistor

[VDC]

[Ω]

R_up

12VDC

15VDC

24VDC

5k1Ω

13kΩ

9.5

2.5VDC

R_down

[Ω]

12.5

21.5

R₁& R₂= internal resistors

[Ω]

k_u

= trim up factor

[ ]

Calculation:

R₁x V_ref

(Vout_set- V_ref) x R₁

- R₂

R_up=

R_down

Vout_set- V_ref- k_u

Vout_nom- Vout_set

Practical Example RP12-11012SAR/P +10% / -10%:

(10.8 - 2.5) x 10k

10k x 2.5

13.2 - 2.5 - 9.5

- 5k1 = 64k1Ω

- 5k1 = 15k7Ω

R_down

R_up=

12 - 10.8

R_upaccording to E96 ≈ 15k8Ω

R_downaccording to E96 ≈ 63k4Ω

RP12-1103.3SAR

Trim up

[%]

Vout

R_up(E96) ≈

3.33

383k

3.36

191k

3.39

127k

3.43

95k3

3.46

75k

3.49

61k9

3.53

53k6

3.56

46k4

3.59

41k2

3.63

36k5

[VDC]

[Ω]

set

Trim down

[%]

Vout

3.26

118k

3.23

54k9

3.20

34k

3.16

23k7

3.13

17k4

3.10

13k3

3.06

10k5

3.03

8k25

3.00

6k65

2.97

5k23

[VDC]

[Ω]

set

_down(E96) ≈

RP12-11005SAR

Trim up

[%]

Vout

R_up(E96) ≈

5.05

255k

5.10

127k

5.15

82k5

5.20

61k9

5.25

48k7

5.30

40k2

5.35

34k8

5.40

301

5.45

26k1

5.50

23k7

[VDC]

[Ω]

set

Trim down

[%]

Vout

4.95

249k

4.90

121k

4.85

78k7

4.80

56k2

4.75

44k2

4.70

35k7

4.65

29k4

4.60

24k9

4.55

21k

4.50

18k2

[VDC]

[Ω]

set

_down(E96) ≈

continued on next page

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