Datasheet > M3H2803R3S

M3H2803R3S

更新时间： 2024-11-19 11:30:31

品牌	Logo	应用领域
英飞凌 - INFINEON		转换器
页数	文件大小	规格书
11页	153K
描述
HYBRID - HIGH RELIABILITY RADIATION TOLERANT DC/DC CONVERTER

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PD-94437D

M3H-SERIES

+28V Input, Single/Dual Output

HYBRID - HIGH RELIABILITY

RADIATION TOLERANT

DC/DC CONVERTER

Description

The M3H-Series of DC/DC converters are radiation

tolerant, high reliability devices designed for moderate

radiation environments such as those encountered by

low earth orbit satellites and launch vehicles. For higher

radiation environments, the M3G-Series of DC/DC

converters is recommended. System upgrades to higher

radiation tolerance applications can be easily

M3H

Features

n Total Dose > 25K Rad(Si)

accommodated with the M3G-Series converters because n SEE Hardened to LET up to 37 MeV.cm²/mg

they have the same mechanical outline and are pin

compatible. For physically smaller, lower output power

single and dual output applications the M3L-Series of

DC/DC converters are recommended. Features of the

M3H-Series include up to 40 watt output power, small

size, low weight and a high tolerance to total ionizing

dose, single event effects and environmental stresses

such as temperature extremes, mechanical shock, and

vibration. All components are fully derated to meet the

requirements of MIL-STD-975 and MIL-STD-1547.

Extensive documentation including Radiation

Susceptibility, Thermal Analysis, Stress Analysis and

MTBF are available.

n Internal EMI filter; Converter Capable of

meeting MIL-STD-461C CE03 and CS01

n Low Weight, < 125 grams

n Magnetically Coupled Feedback

n 18V to 50V Input Range ( 50V, 70V, and

120V Models Available)

n Up to 40W Output Power

n Single and Dual Output Models Include

3.3, 5, 5.2, 12, 15, ±5, ±12, ±15V

n High Efficiency - to 82%

n -55°C to +125°C Operating Temperature Range

n 100MΩ @ 500VDC Isolation

n Under-Voltage Lockout

n Short Circuit and Overload Protection

n Adjustable Output Voltage

n External Inhibit

The converters incorporate a fixed frequency single

forward topology with magnetic feedback and an internal

EMI filter. These converters are capable of meeting the

conducted emissions and conducted susceptibility

requirements of MIL-STD-461C without any additional

components. All models include an external inhibit port

and have an adjustable output voltage. They are

enclosed in a hermetic 3.0" x 2.5" x 0.445" steel package

and weigh less than 125 grams. The package utilizes

rugged ceramic feed-through copper core pins and is

sealed using parallel seam welding.

n 1,500,000 Hour MTBF

Applications

Low Earth Orbit Satellites (LEO)

Launch Vehicles

Non-flight versions of the M3H-Series converters

are available for system development purposes.

Variations in electrical specifications and

screening to meet custom requirements can be

accommodated. Consult IR Santa Clara for special

requirements.

Manufactured in a facility fully qualified to MIL-PRF-

38534, these converters are fabricated utilizing DSCC

qualified processes. For available screening options,

refer to device screening table in the data sheet.

www.irf.com

09/8/06

12 3 4 5 6 7...11

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