FM3125D datasheet(4/5 Pages) FUMAN

Part #	FM3125D

Description	High precision LED controller IC

PDF	5 Pages

Scroll/Zoom	100%

Manufacturer	FUMAN [SHENZHEN FUMAN ELECTRONICS CO., LTD.]

Direct Link	http://www.superchip.cn

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4 / 5 page

深圳市富满电子集团股份有限公司

SHEN ZHEN FINE MAD ELECTRONICS GROUP CO., LTD.

FM3125D(文件编号：S&CIC1207)

高精度 LED 控制器 IC

www.superchip.cn

第

4 页共 5 页

Version 1.0

14

电解电容

15uF/400V

10*17 20%

PCS

1

C1

15

瓷片电容

1.0nF/1KV

10%

PCS

1

C2

16

电解电容

4.7uF/50V

4*8

20%

PCS

1

C3

17

电解电容

47uF/100V

8*12

20%

PCS

1

C4

18

瓷片电容

112PF

20%

PCS

1

C5

19

IC

FM3125D

DIP-8

PCS

1

IC

20

变压器

EFD20

PCS

1

T1

21

电子线

红

PCS

3

AC-/AC+/LED+

22

电子线

黑

PCS

1

LED-

变压器规格

1、结构图：

骨架类型

PIN 数目

脚距

排距

备注

EFD20

4+4

4.4mm

18mm

Ae=31mm ²

2、原理图：

3、绕制要求：

绕组

绕制要求

匝数

线径

*根数

N1 初级

从

Pin3 起到 Pin4 收、密绕

118Ts

0.2*1P

N3 次级

从

Pin8 起到 Pin5 收、密绕

58Ts

0.35*1P

N2 反馈

从

Pin1 起到 Pin2 收、疏绕

12Ts

0.16*1P

备注：

1、线包包黄色玛拉胶纸，绕线时请注意绕线方向，避免绕组起收脚交叉，绕线必须平整。

2、磁芯加气隙，真空侵油，烤箱烘干，另变压器骨架上需贴上名称和供应商标签以方便区分。

3、未绕线脚位需剪掉

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FM3125D Datasheet(PDF) 4 Page - SHENZHEN FUMAN ELECTRONICS CO., LTD.

FM3125D Datasheet(HTML) 4 Page - SHENZHEN FUMAN ELECTRONICS CO., LTD.

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