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參數(shù)資料
| 型號(hào)： | 70IMX7-15-15-8ZG |
| 廠商： | POWER-ONE INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 2-OUTPUT 7 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT PACKAGE-14 |
| 文件頁數(shù)： | 9/15頁 |
| 文件大小： | 374K |
| 代理商： | 70IMX7-15-15-8ZG |
BCD20007-G Rev AD, 4-Nov-09
Page 3 of 15
www.power-one.com
IMX7/IMS7 DC-DC Series Data Sheet
7-Watt DC-DC Converters
Functional Description
The IMX7/IMS7 Series DC-DC converters are feedback-
controlled flyback converters using current mode PWM (Pulse
Width Modulation).
In the case of single-output models, the output is directly
sensed 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 the output voltages in the range 75 to 105% of
Vo nom, using either an external resistor or an external voltage
source.
For double-output models, the output voltage is sensed by a
separate transformer winding close to the secondary and fed
Fig. 2
Block diagram for dual-output models with standard pinout.
Fig. 1
Block diagram for single-output models with standard pinout.
back to the primary control circuit. Close magnetic coupling is
provided by the planar construction, ensuring very good
regulation, and allowing for flexible load distribution. The Trim
input of double-output models is referenced to the primary
side, and allows for programming the output voltages in the
range of 100 to 105% of Vo nom by means of an external
resistor, or within 75 to 100% of Vo 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 the
sum Io1 nom + Io2 nom for double-output models).
The inhibit input i allows remote control of the outputs; pin i
must be connected to Vi– to activate the converter.
Part Number Description
Input voltage range Vi
8.4 – 36 V .............................................. 20
14 – 36 V ............................................... 24
16.8 – 75 V ............................................ 40
36 – 75 V ............................................... 48
40 – 121 V ............................................. 70
60 – 150 V ........................................... 110
Series .............................................................. IMX7, IMS7
Output voltage of output 1 ...................... 03, 05, 12, 15, 24
Output voltage of output 2 ............................ 05, 12, 15, 24
Operating ambient temperature TA
–40 to 85 °C ............................................... -8
–40 to 71 °C ............................................... -9
Options:
Open frame .................................................. Z
RoHS compliant for all six substances ......... G
Example:
40IMX7-05-05-8ZG: DC-DC converter, input voltage range 16.8 – 75 V, 2 outputs providing each 5 V, 700 mA,
temperature range – 40 to 85 °C, open frame, RoHS compliant for all six substances.
Obsolete options:
Surface mount version ............................... M
C-pinout ...................................................... C
40 IMX7 - 05 - 05 -8 Z G
PWM
2
× 2200 pF
1500 V
13
1
2
3
4
11
10
12
14
Vi+
i
Vi–
n.c.
Vo+
Vo–
R
n.c.
03025
PWM
2
× 2200 pF
14
1
2
3
4
11
10
12
13
Vi+
Trim (R)
i
Vi –
Vo1+
Vo1–
Vo2+
Vo2–
n.c.
03042a
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