Datasheet > Q24T25015-PDC0

Q24T25015-PDC0

更新时间： 2023-01-03 07:41:00

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DC-DC Regulated Power Supply Module, 1 Output, 37.5W, Hybrid, MODULE-8

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Q24T25015-PDC0 数据手册

Q24T25015 DC-DC Converter Data Sheet

18-36 VDC Input; 1.5 VDC @ 25A Output

Safety Requirements

Protection Features

Input Undervoltage Lockout

The converters meet North American and International safe-

ty regulatory requirements per UL60950 and EN60950. Ba-

sic Insulation is provided between input and output.

Input undervoltage lockout is standard with this converter.

The converter will shut down when the input voltage drops

below a pre-determined voltage.

To comply with safety agencies requirements, an input line

fuse must be used external to the converter. A 5-A fuse is

recommended for use with this product.

The input voltage must be at least 35 V for the converter to

turn on. Once the converter has been turned on, it will shut

off when the input voltage drops below 31 V. This feature is

beneficial in preventing deep discharging of batteries used in

telecom applications.

Electromagnetic Compatibility (EMC)

EMC requirements must be met at the end-product system

level, as no specific standards dedicated to EMC characte-

ristics of board mounted component dc-dc converters exist.

However, Power-One tests its converters to several system

level standards, primary of which is the more stringent

EN55022, Information technology equipment - Radio distur-

bance characteristics - Limits and methods of measurement.

Output Overcurrent Protection (OCP)

The converter is protected against overcurrent or short

circuit conditions. Upon sensing an overcurrent condition,

the converter will switch to constant current operation and

thereby begin to reduce output voltage. When the output

voltage drops below 0.7 VDC, the converter will shut down

(Fig. 26).

With the addition of a simple external filter (see application

notes), all versions of the Q24T25 converters pass the re-

quirements of Class B conducted emissions per EN55022

and FCC, and meet at a minimum, Class A radiated emis-

sions per EN 55022 and Class B per FCC Title 47CFR, Part

15-J. Please contact Power-One Applications Engineering

for details of this testing.

Once the converter has shut down, it will attempt to restart

nominally every 100 ms with a 3% duty cycle (Fig 27). The

attempted restart will continue indefinitely until the overload

or short circuit conditions are removed or the output voltage

rises above 0.7 VDC.

Output Overvoltage Protection (OVP)

The converter will shut down if the output voltage across

Vout(+) (Pin 8) and Vout(-) (Pin 4) exceeds the threshold of

the OVP circuitry. The OVP circuitry contains its own refer-

ence, independent of the output voltage regulation loop.

Once the converter has shut down, it will attempt to restart

every 100 ms until the OVP condition is removed.

Overtemperature Protection (OTP)

The converter will shut down under an overtemperature

condition to protect itself from overheating caused by opera-

tion outside the thermal derating curves, or operation in

abnormal conditions such as system fan failure. After the

converter has cooled to a safe operating temperature, it will

automatically restart.

MCD10220 Rev. 1.0, 26-Aug-10

Page 7 of 14

www.power-one.com

1...4 5 678 9 10...14

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与Q24T25015-PDC0相关器件

型号	品牌	描述	获取价格	数据表
Q24T25015-PDC0G	BEL	DC-DC Regulated Power Supply Module, 1 Output, 37.5W, Hybrid, ROHS COMPLIANT PACKAGE-8	获取价格
Q24T25015-PDCP	BEL	DC-DC Regulated Power Supply Module, 1 Output, 37.5W, Hybrid, QUARTER BRICK PACKAGE-8	获取价格
Q24T25015-PDCPG	BEL	DC-DC Regulated Power Supply Module, 1 Output, 37.5W, Hybrid, ROHS COMPLIANT, QUARTER BRIC	获取价格
Q24T25018-NAA0	BEL	DC-DC Regulated Power Supply Module, 1 Output, 45W, Hybrid, QUARTER-BRICK PACKAGE-8	获取价格
Q24T25018-NAA0G	BEL	DC-DC Regulated Power Supply Module, 1 Output, 45W, Hybrid, ROHS COMPLIANT, QUARTER-BRICK	获取价格
Q24T25018-NAAP	BEL	DC-DC Regulated Power Supply Module, 1 Output, 45W, Hybrid, QUARTER BRICK PACKAGE-8	获取价格

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