参数资料
型号: 70IMX4-15-8K
厂商: POWER-ONE INC
元件分类: 电源模块
英文描述: 1-OUTPUT 4.2 W DC-DC REG PWR SUPPLY MODULE
封装: 8.50 MM HEIGHT, DIP-24/13
文件页数: 6/12页
文件大小: 622K
代理商: 70IMX4-15-8K
NOV 18, 2004 revised to OCT 12, 2006
Page 3 of 12
www.power-one.com
IMX4 DC-DC Series Data Sheet
4-Watt DC-DC Converters
Functional Description
The IMX4 series converters are feedback-controlled flyback
converters using current mode PWM (Pulse Width Modulation).
The input is protected against transients by means of a
suppressor diode.
The output voltage is monitored by a separate transformer
winding close to the secondary windings and fed back to the
control circuit.
Current limitation is provided by the primary circuit, thus limiting
the total output current (Io nom for the single- and the sum of
Io1 nom and Io2 nom for the dual-output models).
The close magnetic coupling provided by the planar
construction ensures very good regulation and allows for
flexible load distribution on dual-output models.
Fig. 2
Block diagram for dual-output models with standard
pinout.
PWM
Vi+
Vi–
Vo+
Vo–
Go
23
22
2
3
14
16
11
03045
PWM
Vi+
Vi–
Vo+
Vo–
Go
1
24
15
10
13
03047
11
Fig. 4
Block diagram for dual-output models with special pinout
(option K).
Fig. 3
Block diagram for single-output models with special
pinout (option K).
Fig. 1
Block diagram for single-output models with standard
pinout.
PWM
Vi+
Vi–
Vo+
Vo–
22
3
14
16
10
23
2
03044
PWM
Vi+
Vi–
Vo+
Vo–
1
24
13
12
2
03046
n.c.
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