Datasheet > 40IMX7-1212-9XC

40IMX7-1212-9XC

更新时间： 2024-01-19 13:08:01

品牌	Logo	应用领域
BEL		/
页数	文件大小	规格书
13页	274K
描述
DC-DC Regulated Power Supply Module, 2 Output, 7W, 2 X 1 INCH, PACKAGE-5

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40IMX7-1212-9XC 数据手册

IMX 7-Family

DC-DC Converters <40 W

Rugged Environment

Input Transient Voltage Protection

Reverse Polarity Protection at Input

A suppressor diode on the input together with the input filter

provides an effective protection against input transients.

The suppressor diode on the input also provides for reverse

polarity protection by conducting current in the reverse di-

rection, thus protecting the unit. An external fuse is required

to limit this current:

– For 20 IMX 7 a fast 2 A (F2A) fuse is recommended.

– For 40 IMX 7 a fast 1 A (F1A) fuse is recommended.

– For 70 IMX 7 a fast 0.63 A (F.63A) fuse is recommended.

To achieve IEC 801-5, level 2 compliance for 40 IMX 7

types or to withstand the 150 V transient according to

19 Pfl 1 an additional inductor and capacitor should be pro-

vided externally, as shown below. (Not applicable for

20 IMX 7 types, not necessary for 70 IMX 7 types.)

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.

V+

V–

Vi+

40 IMX 7

Output Overvoltage Protection

Vi–

The outputs of the units (single and double) are protected

against overvoltages by a zener diode across one of the

outputs. The main purpose of this feature is to protect

against possible overvoltages which could occur due to a

failure in the feedback control circuit. Under worst case

conditions the suppressor diode will short circuit. The sup-

pressor diode is not designed to withstand externally ap-

plied overvoltages. In the case of the double outputs since

both outputs track each other a suppressor diode is only

provided on one of the outputs.

Inductor (L):

Manufacturer: TOKO

Part Number: 494LYF-0098K

Characteristics: 330 µH, 0.65 Ω,

620 mA

Capacitor (C):

Manufacturer: Nippon Chemi-Con

Part Number: SXE 100 VB 68 M J25

Characteristics: 68 µF, 100 V,

105°C, 190 mΩ

0.7

0.6

Fig. 5

Example for external circuitry to comply with IEC 801-5,

level 2, for 40 IMX 7 types

Description of Options

Table 8: Survey of options

Option

Function

Characteristics

-8

-9

Operational temperature range T_A= –40...85°C

Operational temperature range T_A= –40...71°C

Signal Out OK

Extended temperature range. Excludes option D.

Extended temperature range.

Available for single output units. Excludes option -8.

Available for double output units.

Excludes option C.

LED U_opresent

Surface mount version, SMD

C-pinout

Excludes option M as well as galvanic isolation between output 1

and 2 of double output units.

Option -8

Option -9

Extension of the temperature range from standard

–25...71°C to –40...85°C. The modules will provide full out-

put power with free air convection cooling. UL recognition

up to 80°C. This option excludes option D.

Extension of the temperature range from standard

–25...71°C to –40...71°C.The modules will provide full out-

put power with free air convection cooling.

6 - 22

MELCHER

The Power Partners.

1...3 4 567 8 9...13

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与40IMX7-1212-9XC相关器件

型号	品牌	描述	获取价格	数据表
40IMX7-12-12-9XM	BEL	DC-DC Regulated Power Supply Module, 2 Output, 7W, Hybrid, 2 X 1 INCH, 10.50 MM HEIGHT, SM	获取价格
40IMX7-12-12-9Z	BEL	DC-DC Regulated Power Supply Module, 2 Output, 7.2W, Hybrid,	获取价格
40IMX7-12-12-9Z-G	BEL	DC-DC Regulated Power Supply Module, 2 Output, 7.2W, Hybrid	获取价格
40IMX7-12-7C2	BEL	DC-DC Regulated Power Supply Module, 1 Output, 7.2W, Hybrid, 2 X 1 INCH, 10.50 MM HEIGHT,	获取价格
40IMX7-12-8C	BEL	DC-DC Regulated Power Supply Module, 1 Output, 7.2W, Hybrid	获取价格
40IMX7-12-8C2	BEL	DC-DC Regulated Power Supply Module, 1 Output, 7.2W, Hybrid, 2 X 1 INCH, 10.50 MM HEIGHT,	获取价格

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