Datasheet > PDQ10-Q48-D12-D

PDQ10-Q48-D12-D

更新时间： 2022-12-29 21:23:57

品牌	Logo	应用领域
CUI		DC-DC转换器
页数	文件大小	规格书
9页	723K
描述
DC-DC CONVERTER

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PDQ10-Q48-D12-D 数据手册

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CUI Inc │SERIES: PDQ10-D │ DESCRIPTION: DC-DC CONVERTER

date 07/12/2016 │ page 8 of 9

APPLICATION NOTES

Output Voltage Trimming

The output voltage can be adjusted (single outputs only) by using the trim pin and the use of either an external trim pot or

the use of a single ﬁxed resistor (see Figures below). If the trim function is not needed, leave the trim pin open.

Figure 4 Trim Adjustments Using

A Trimpot

Figure 5 Trim Adjustments To Increase

Output Voltage Using A Fixed Resistor

Figure 6 Trim Adjustments To Decrease

Output Voltage Using A Fixed Resistor

+Vo

+Vin

Trim

R trim-down

R-Load

10 kΩ

Trimpot

Trim

-Vo

R-Load

R trim-up

Trim

-Vin

-Vo

-Vin

-Vo

Formula for Trim Resistor

Vr R1 (R2 R3)

(Vo V^{o, nom}) R2

trim up

(

) Rt (k )

Output

(kΩ)

(V)

Voltage

(Vdc)

Vr R1

(V^{o, nom}Vo) R2

3.3

2.74

2.32

6.8

1.8

2.32

2.4

0.27

9.1

8.2

1.24

2.5

trim down R1 (

1) Rt (k )

Table 5

2.32

3.9

Note: R_trim-upis the external resistor in kΩ

R_trim-downis the external resistor in kΩ

V_{O, nom}is the nominal output voltage

V_Ois the desired output voltage

8.06

2.4

R1, R2, R3, Rt, and Vr are internal (see Table 5).

cui.com

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