參數(shù)資料
型號: 70IMX4-12-9Z
廠商: POWER-ONE INC
元件分類: 電源模塊
英文描述: 1-OUTPUT 4 W DC-DC REG PWR SUPPLY MODULE
封裝: 8.5 MM, DIP-24
文件頁數(shù): 8/12頁
文件大?。?/td> 180K
代理商: 70IMX4-12-9Z
REV. AUG 05, 2004
Page 5 of 12
www.power-one.com
IMX4 DC-DC Series Data Sheet
4-Watt DC-DC Converters
Table 5: Components for external circuitry (IEC/EN 61000-4-5)
Circuit Ref.
20IMX4
40IMX4
70IMX4
L
330
H, 0.42 , 0.6 A
330
H, 0.42 , 0.6 A
330
H, 0.65 , 0.62 A
TDK TSL1110-331KR55
Toko, 494LXF-0098K
C
68
F, 63 V, 85°C
68
F, 100 V, 85°C
100
F, 150 V, 85°C
D
Motorola 1.5KE 39 A
Motorola 1.5KE 82 A
Input Transient Voltage Protection
In many applications transient voltages on the input of the
converter are always a possibility. These may be caused
for example by short circuits between Vi+ and Vi– where
the network inductance may cause high energy pulses.
In order to protect the converter a large transient voltage
suppressor has been fitted to the input of the IMX4 types.
Specifications as on table below.
Table 4: Built-in transient voltage suppressor
Type
Breakdown
Peak Power
Peak Pulse
Voltage
at 1 ms
Current
VBR nom
PP
IPP
20IMX440 V
600 W
10.3 A
40IMX4100 V
600 W
4.1 A
70IMX4150 V
600 W
2.9 A
Fig. 9
Dimensions for inductor L
Vi+
Vi–
C
L
D
+
04036
11.5
5
10.5
5
0.7
04029
Fig. 8
Example for external circuitry to comply with
IEC/EN 61000-4-5, level 2.
If transients generating currents above the peak pulse
current
IPP are possible then an external limiting network
such as the circuit recommended for IEC/EN 61000-4-5
Level 2 compliance is necessary.
To achieve IEC/EN 61000-4-5, level 2 compliance an
additional transzorb, inductor and capacitor should be
provided externally as shown in the figure below. The
components should have similar characteristics as listed
in the table below.
To withstand the 150 V transient according to 19 Pfl 1,
applicable for 40IMX4 types, the same external circuitry
with similar components as for IEC/EN 61000-4-5, level 2
compliance can be used.
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