Datasheet > QBVE078A0S10R441PHZ

QBVE078A0S10R441PHZ

更新时间： 2022-02-26 12:16:31

品牌	Logo	应用领域
LINEAGEPOWER		/
页数	文件大小	规格书
17页	1122K
描述
45-56Vdc Input; 10.4Vdc, 78.0A, 810W Output

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Data Sheet

QBVE078A0S10R4 Barracuda Series; DC-DC Converter Power Modules

45-56Vdc Input; 10.4Vdc, 78.0A, 810W Output

Test Configurations

Design Considerations

Input Source Impedance

The power module should be connected to a low

ac-impedance source. Highly inductive source impedance

can affect the stability of the power module. For the test

configuration in Figure 11, a 660μF electrolytic capacitor, C_in,

(ESR<0.7 at 100kHz), mounted close to the power module

helps ensure the stability of the unit.

Safety Considerations

For safety-agency approval of the system in which the

power module is used, the power module must be installed

in compliance with the spacing and separation

requirements of the end-use safety agency standard, i.e.,

UL60950-1 2^ndEd., CSA C22.2 No. 60950-1 2^ndEd., and

VDE0805-1 EN60950-1 2^ndEd.

Note: Measure input reflected-ripple current with a simulated

source inductance (LTEST) of 12 µH. Capacitor CS offsets

possible battery impedance. Measure current as shown above.

Figure 11. Input Reflected Ripple Current Test Setup.

If the input source is non-SELV (ELV or a hazardous voltage

greater than 60 Vdc and less than or equal to 75Vdc), for the

module’s output to be considered as meeting the

requirements for safety extra-low voltage (SELV), all of the

following must be true:

The input source is to be provided with reinforced

insulation from any other hazardous voltages, including

the ac mains.

One V_INpin and one V_OUTpin are to be grounded, or

both the input and output pins are to be kept floating.

The input pins of the module are not operator

accessible.

Note: Use a 1.0 µF ceramic capacitor, a 10 µF aluminum or

tantalum capacitor and a 750µF polymer capacitor. Scope

measurement should be made using a BNC socket. Position the

load between 51 mm and 76 mm (2 in. and 3 in.) from the module.

Another SELV reliability test is conducted on the whole

system (combination of supply source and subject

module), as required by the safety agencies, to verify

that under a single fault, hazardous voltages do not

appear at the module’s output.

Figure 12. Output Ripple and Noise Test Setup.

Note: Do not ground either of the input pins of the module

without grounding one of the output pins. This may

allow a non-SELV voltage to appear between the

output pins and ground.

CONTACT AND

DISTRIBUTION LOSSES

VO1

VI(+)

LOAD

SUPPLY

The power module has safety extra-low voltage (SELV)

outputs when all inputs are SELV.

(–)

VO2

The input to these units is to be provided with a maximum

30A fast-acting (or time-delay) fuse in the ungrounded input

lead.

CONTACT

RESISTANCE

Note: All measurements are taken at the module terminals. When

socketing, place Kelvin connections at module terminals to avoid

measurement errors due to socket contact resistance.

Figure 13. Output Voltage and Efficiency Test Setup.

January 15, 2014

Page 7

1...4 5 678 9 10...17

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与QBVE078A0S10R441PHZ相关器件

型号	品牌	描述	获取价格	数据表
QBVE078A0S10R4XX-HZ	LINEAGEPOWER	45-56Vdc Input; 10.4Vdc, 78.0A, 810W Output	获取价格
QBVS050A0B	LINEAGEPOWER	52-60Vdc Input; 12.0Vdc, 50.0A, 600W Output	获取价格
QBVS050A0B41HZ	LINEAGEPOWER	52-60Vdc Input; 12.0Vdc, 50.0A, 600W Output	获取价格
QBVW025A0B	VISHAY	36-75Vdc Input; 12Vdc Output; 25A Output Current	获取价格
QBVW025A0B	LINEAGEPOWER	36-75Vdc Input; 12.0Vdc, 25.0A, 300W Output	获取价格
QBVW025A0B1HZ	LINEAGEPOWER	36-75Vdc Input; 12.0Vdc, 25.0A, 300W Output	获取价格

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