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參數資料
| 型號： | 70IMX7-2424-9XC |
| 元件分類： | 電源模塊 |
| 英文描述： | 2-OUTPUT 7 W DC-DC REG PWR SUPPLY MODULE |
| 文件頁數： | 6/13頁 |
| 文件大小： | 274K |
| 代理商： | 70IMX7-2424-9XC |
IMX 7-Family
DC-DC Converters <40 W
Rugged Environment
6 - 18
Edition 2/96 - Melcher AG
MELCHER
The Power Partners.
6.1
Functional Description
The IMX 7 DC-DC modules are feedback controlled flyback
converters using current mode PWM (Pulse Width Modula-
tion). See block diagram for single and double output types.
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
Uo nom using either an external resistor
or an external voltage source.
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
Uo nom by an external resistor or within 75 to 105 % of Uo nom
using an external voltage source.
Current limitation is provided by the primary circuit, thus
limiting the total output current (
Io nom for the single and
Io1 nom + Io2 nom for the double output types).
The inhibit input allows remote converter shut down.
PWM
2
× 2200 pF, 1500 V
10 nF, 200V
14
1
2
3
4
11
10
12
13
Fig. 2
Block diagram, double output types, standard pinout
Fig. 1
Block diagram, single output types, standard pinout
PWM
2
× 2200 pF
1500 V
13
1
2
3
4
11
10
12
14
Table 3: Pin allocation for C-pinout (option C) see fig. 3
and 18
Pin
Single output units
Dual output units
1
Vi+
2
Vi–
3Vo+
Vo+
4
n.c.
Go
5Vo–
Vo–
1
2
3
4
5
Fig. 3
C-pinout
Table 2: Pin allocation, standard pinout see fig. 16 and 17
Pin
Single output units
Double output units
1
Vi+
2
Vi–
3i
i
4
n.c.
R
10
Vo–
Vo1–
11
Vo +
Vo1+
12
Vo–
Vo2–
13
R
Vo2+
14
n.c./D 1
n.c.
1 Option D
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相關代理商/技術參數 |
參數描述 |
|---|---|
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| 70J1G032P502U | 制造商:Honeywell Sensing and Control 功能描述: |
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| 70J1G032S103U | 功能描述:工業移動感應器和位置傳感器 RESISTIVE & OPTICAL RoHS:否 制造商:Honeywell 輸出類型:Analog - Current 電壓額定值:12 VDC to 30 VDC 線性:+/- 0.0011 % 溫度范圍:- 40 C to + 85 C 總電阻: 容差: 類型:Rotary Sensor |
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