Datasheet > GH2805S

GH2805S

更新时间： 2024-10-16 01:00:55

品牌	Logo	应用领域
英飞凌 - INFINEON		功效 DC-DC转换器
页数	文件大小	规格书
10页	397K
描述
HIGH RELIABILITY, HIGH EFFICIENCY RADIATION HARDENED DC-DC CONVERTER

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GH2805S 数据手册

PD-97440D

GH-SERIES

28V Input, Single Output

HIGH RELIABILITY, HIGH EFFICIENCY

RADIATION HARDENED

DC-DC CONVERTER

Description

The GH-Series is a family of low voltage single output

DC-DC converters. They are specifically designed in

response to the need for low voltage at moderate current

levels with the high efficiency and tight regulation dictated

by modern digital processing applications. The converters

are radiation hardened, high reliability converters designed for

extended operation in hostile environments. Their small

size and low weight make them ideal for applications

such as geostationary earth orbit satellites and deep

space probes. They exhibit 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 de-rated to meet the

requirements of MIL-STD-975, MIL-STD-1547 except for

the CDR type of capacitors, a capacitor with 50V rating is

used for in-circuit voltage stress of less than10V. Thorough

analyses and documentation including beginning-of-life

(BOL) and end-of-life (EOL) electrical worst case (WCA)

operation, component stress and de-rating, radiation

susceptibility (TREE), thermal stress, failure mode and

effects (FMEA), and reliability (MTBF) are available for

customer review.

Features

 Total Ionization Dose (TID) > 100 kRad(Si)

 SEE Hardened to LET Level > 82 MeVcm²/mg

 Internal EMI filter

 Low Weight, < 110 grams

 Magnetically Coupled Feedback

 18V to 40V DC Input Range

 Up to 50W Output Power

 Single Output Models Include

1V, 1.5V, 1.8V, 2.5V, 3.3V and 5V

 High Efficiency - to 87%

 -55°C to +85°C Operating Temperature Range

 100M @ 100V_DCIsolation

 Under-Voltage Lockout

 Short Circuit and Overload Protection

 Output Voltage Adjust

The design incorporates a fixed frequency topology with

magnetic feedback. Synchronous rectification is deployed

to maximize efficiency performance. The converters include an

internal EMI filter that is capable of meeting the conducted

emission requirements of most major satellite power busses.

Incorporation of many functional features including on/off

command, remote sensing, and under-voltage lockout

make the design suitable for today’s space design applications.

 Synchronization Output and Input

 Remote Sense

 External Inhibit

Applications

 Geostationary Earth Orbit Satellites (GEO)

 Deep Space Satellites / Probes

 Strategic Weapons and Communication System

The converter is enclosed in a hermetically sealed package

with the overall dimensions of 3.5"L x 2.50”W x 0.475"H

including the I/O pins and mounting tabs. The package

base material is silicon carbide-aluminum (AISIC). The

package ring frame is Alloy 48. The package utilizes

rugged ceramic feed-through copper core I/O pins and is

sealed using parallel seam welding. The total mass of a

converter is less than 110 grams.

Non-flight versions of the GH-Series converters are

available for system development purposes. Variations in

electrical specifications and screening to meet custom

requirements can be accommodated.

Manufactured in a facility fully qualified to MIL-PRF-38534,

these converters are fabricated utilizing DLA Land and

Maritime qualified processes. For available screening

options, refer to device screening table in the data sheet.

2016-05-16

12 3 4 5 6 7...10

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GH2805SCKX	INFINEON	获取价格	HIGH RELIABILITY, HIGH EFFICIENCY RADIATION HARDENED DC-DC CONVERTER
GH2805SEMA	INFINEON	获取价格	HIGH RELIABILITY, HIGH EFFICIENCY RADIATION HARDENED DC-DC CONVERTER
GH2805SEMC	INFINEON	获取价格	HIGH RELIABILITY, HIGH EFFICIENCY RADIATION HARDENED DC-DC CONVERTER
GH2G129M89160SB	SAMWHA	获取价格	Aluminum Electrolytic Capacitor, Polarized, Aluminum (wet), 400V, 20% +Tol, 20% -Tol, 1200
GH2G228M51100SB	SAMWHA	获取价格	Aluminum Electrolytic Capacitor, Polarized, Aluminum (wet), 400V, 20% +Tol, 20% -Tol, 2200
GH2G398M64110SB	SAMWHA	获取价格	Aluminum Electrolytic Capacitor, Polarized, Aluminum (wet), 400V, 20% +Tol, 20% -Tol, 3900
GH2G828M76150SB	SAMWHA	获取价格	Aluminum Electrolytic Capacitor, Polarized, Aluminum (wet), 400V, 20% +Tol, 20% -Tol, 8200
GH2H188M64110SB	SAMWHA	获取价格	Aluminum Electrolytic Capacitor, Polarized, Aluminum (wet), 500V, 20% +Tol, 20% -Tol, 1800

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