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參數資料
型號: 70IMX7-15-15-8
廠商: POWER-ONE INC
元件分類: 電源模塊
英文描述: 2-OUTPUT 7.2 W DC-DC REG PWR SUPPLY MODULE
封裝: ROHS COMPLIANT PACKAGE-9
文件頁數: 10/14頁
文件大小: 321K
代理商: 70IMX7-15-15-8
BCD20007 Rev AA
Page 5 of 14
www.power-one.com
IMX7 DC-DC Series Data Sheet
7-Watt DC-DC Converters
Input Transient Voltage Protection
In many applications transient voltages on the input of the
converter are always possible caused, for example by short
circuits between Vi+ and Vi–, where the network inductance
may cause high energy pulses.
In order to protect the converters, transient suppressors are
fitted to the input; see table below:
Table 3: Built-in transient voltage suppressor
Model
Breakdown
Peak Power
Peak Pulse
Voltage
at 1 ms
Current
VBR nom
PP
IPP
20IMX7 1
overvoltage lockout at approx. 38 V
40IMX7 2
100 V
1500 W
11 A
70IMX7 2
144 V
600 W
2.9 A
110IMX7 2
167 V
600 W
2.5 A
1 The built-in overvoltage trigger shuts down the converter at
approx. 38 V protecting the input up to 50 V. For higher transient
voltages an external suppressor or voltage limiting circuit as, e.g.,
for IEC/EN 61000-4-5, level 2 compliance should be provided.
2 If transients generating currents above the peak pulse current are
possible, an external limiting network such as the circuit
recommended for IEC/EN 61000-4-5, level 2 compliance is
necessary.
Table 4: Components for external circuitry to comply with IEC/EN 61000-4-5
Circuit Ref.
20IMX7
40IMX7
70IMX7
110IMX7
L
330 H, 0.115
330 H, 0.42
1000 H, 2.9
330 H
1 A
600 mA
290 mA
200 mA
C
68 F, 63 V
68 F, 100 V
47 F, 150 V
200 F, 200 V
D
1.5KE39A
n.a.
Fig. 4
Example for external circuitry to comply with IEC/EN
61000-4-5, level 2 (transzorb D only for 20IMX7).
To achieve IEC/EN 61000-4-5, level 2 compliance, an
additional inductor and capacitor should be provided externally
as shown in the figure below. The components should have
similar characteristics as listed in table 4.
Note: The suppressor diode D is only necessary for 20IMX7
models. To withstand 150 V transients according to 19 Pfl 1,
applicable for 40 IMX7 models, the same external circuitry with
similar
components
as
for
IEC/EN
61000-4-5,
level
2
compliance can be used.
Vi+
Vi–
07064
C
L
D
+
i
Input Fuse and Reverse Polarity Protection
The suppressor diode on the input also provides for reverse
polarity protection by conducting current in the reverse
direction, thus protecting the converter. An external fuse is
required to limit this current. We recommend:
– For 20IMX7 a fast 2 A (F2A) fuse
– For 40IMX7 a fast 1 A (F1A) fuse
– For 70IMX7 a fast 0.63 A (F.63A) fuse
– For 110IMX7 a fast 0.63 A (F.63A) fuse
Inrush Current
The inrush current has been kept as low as possible by
choosing a very small input capacitance. A series resistor may
be inserted in the input line to limit this current further.
Fig. 5
Typical inrush current at Vi nom , Po nom measured according to
ETS 300132-2 (40IMX7).
0
1
2
3
A
0
20
40
60
80 s
04030a
4
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相關代理商/技術參數
參數描述
70IMX7-15-15-8G 功能描述:DC/DC CONVERTER DUAL 15V 0.24A 制造商:bel power solutions 系列:Melcher IMX7 包裝:散裝 零件狀態:有效 類型:隔離模塊 輸出數:2 電壓 - 輸入(最小值):40V 電壓 - 輸入(最大值):121V 電壓 - 輸出 1:15V 電壓 - 輸出 2:15V 電壓 - 輸出 3:- 電流 - 輸出(最大值):240mA,240mA 功率(W) - 制造系列:7W 電壓 - 隔離:2kV(2000V) 應用:ITE(商業) 特性:遠程開/關,OCP,OTP,OVP,SCP,UVLO 安裝類型:通孔 封裝/外殼:14-DIP 模塊(9 引線) 大小/尺寸:2.00" 長 x 1.00" 寬 x 0.42" 高(50.8mm x 25.4mm x 10.5mm) 工作溫度:-40°C ~ 85°C 效率:83% 功率(W) - 最大值:7W 標準包裝:30
70IMX7-15-15-9 功能描述:CONVERT DC/DC 2X 15V 7W RoHS:否 類別:電源 - 板載 >> DC DC Converters 系列:* 標準包裝:5 系列:*
70IMX7-1515-9C 功能描述:CONVERT DC/DC 2X 15V 7W RoHS:否 類別:電源 - 板載 >> DC DC Converters 系列:* 標準包裝:5 系列:*
70IMX7-24-24-8 功能描述:DC/DC轉換器 7W (2x 24V) DC Input (40-121V) RoHS:否 制造商:Murata 產品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓(標稱): 輸出端數量:1 輸出電壓(通道 1):3.3 V 輸出電流(通道 1):600 mA 輸出電壓(通道 2): 輸出電流(通道 2): 安裝風格:SMD/SMT 封裝 / 箱體尺寸:
70IMX7-24-24-8G 功能描述:DC/DC CONVERTER 7W 制造商:bel power solutions 系列:Melcher IMX7 零件狀態:在售 類型:隔離模塊,保形涂層 輸出數:2 電壓 - 輸入(最小值):40V 電壓 - 輸入(最大值):121V 電壓 - 輸出 1:24V 電壓 - 輸出 2:24V 電壓 - 輸出 3:- 電壓 - 輸出 4:- 電流 - 輸出(最大值):150mA,150mA 功率(W):7.2W 電壓 - 隔離:2.1kV 應用:ITE(商業),鐵路 特性:遠程開/關,OCP,OTP,OVP,SCP,UVLO 工作溫度:-40°C ~ 85°C 效率:83% 安裝類型:通孔 封裝/外殼:14-DIP 模塊,9 引線 大小/尺寸:2.00" 長 x 1.00" 寬 x 0.41" 高(50.8mm x 25.4mm x 10.5mm) 供應商器件封裝:- 標準包裝:30
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