Datasheet > 24IMS7-24-24-9Z

24IMS7-24-24-9Z

更新时间： 2024-01-04 19:52:54

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BEL		/
页数	文件大小	规格书
14页	513K
描述
DC-DC Regulated Power Supply Module, 2 Output, 7.2W, Hybrid,

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24IMS7-24-24-9Z 数据手册

IMS7 Series Data Sheet, 7-Watt DC-DC Converters

Functional Description

In the case of the double output units the output voltage is

monitored by a separate transformer winding close to the

secondary windings and fed back to the control circuit. The

R-input is referenced to the primary side and allows pro-

gramming of the output voltage in the range 100 to 105% of

U_{o nom}by an external resistor or within 75 to 105% of U_{o nom}

using an external voltage source.

The IMS 7 DC-DC modules are feedback controlled flyback

converters using current mode PWM (Pulse Width Modula-

tion).

In the case of the single output units the output is directly

monitored and fed back to the primary control circuit via a

pulse transformer, resulting in tight regulation of the output

voltage. The R input is referenced to the secondary side

and allows for programming of the output voltages in the

range 75 to 105% of U_{o nom}using either an external resistor

or an external voltage source.

Current limitation is provided by the primary circuit, thus

limiting the total output current (I_{o nom}for the single and

I_{o1 nom}+ I_{o2 nom}for the double output types).

The inhibit input allows remote converter shutdown.

03026

03025

Vi+

Vo+

Vo–

Vi+

Vo1

PWM

(Trim)

Vo1

Vo2

PWM

10 nF

2 × 2200 pF

1500 V

Vi–

n.c.

Vi–

Vo2

14 n.c.

n.c.

2 × 2200 pF, 1500 V

Fig. 1

Block diagram, single output types, standard pinout

Fig. 2

Block diagram, double output types, standard pinout

APR 20, 2006 revised to JUN 05, 2006

Page 3 of 14

www.power-one.com

1 234 5 6 7...14

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