Datasheet > AHF2812D/CHB

AHF2812D/CHB

更新时间： 2024-11-28 03:10:43

品牌	Logo	应用领域
英飞凌 - INFINEON		/
页数	文件大小	规格书
20页	469K
描述
DC-DC Regulated Power Supply Module,

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AHF2812D/CHB 数据手册

PD-94541E

AHF SERIES

28V Input, Single/Dual Output

HYBRID-HIGH RELIABILITY

DC-DC CONVERTER

AHF

Description

The AHF Series of DC-DC converters feature single or dual

outputs over the full military temperature range. No derating

in output power is required, making them suitable for use in

rugged military applications. The low profile, small outline

package is ideally suited to the tight board space require-

ments of many industrial and aerospace applications.

Designed for nominal 28Vdc inputs, this family of converters

will meet the requirements of MIL-STD-704D. The basic cir-

cuit utilizes a pulse width modulated, feed-forward topology

at a nominal switching frequency of 550KHz. Input to output

isolation is achieved through the use of transformers in the

forward and feedback circuits.

Features

 16V to 40V_DCInput Range (28V_DCNominal)

 Single and Dual Outputs

 12W Output Power

 22.8W/in³Power Density

 Low Input / Output Noise

(50mA / 60mV_P-Pmax. respectively)

 Indefinite Short Circuit and Overload Protection

 Wideband Control Loop for Superior Transient

Characteristics

 No derating for -55°C to +125°C Operation

 Constant Switching Frequency

(550kHz Nominal)

The proprietary magnetic feedback circuit provides for an

extremely wide bandwidth control loop with a high phase

margin. The closed loop frequency response of this converter

family extends to approximately 50kHz, resulting in superior

line and load transient characteristics. This feedback method

is also inherently temperature and radiation insensitive. This

gives the AHF Series an important advantage over convert-

ers that incorporate opto-couplers in their design.

 Standard Microcircuit Drawings Available

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

these converters are fabricated utilizing DLAqualified process.

For available screening options, refer to device screening

table in the data sheet. Variations are electrical, mechanical

and screening can be accommodated.

Extensive computer simulation using complex modeling

enables rapid design modification to be provided. Contact IR

HiRel San Jose with specific requirements.

2017-05-08

12 3 4 5 6 7...20

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与AHF2812D/CHB相关器件

型号	品牌	获取价格	描述	数据表
AHF2812D/CHPBF	INFINEON	获取价格	DC-DC Regulated Power Supply Module, 2 Output, 11.016W, Hybrid, HERMETIC SEALED PACKAGE-8
AHF2812D/ES	INFINEON	获取价格	28V Input, Single and Dual Output
AHF2812D/ESB	INFINEON	获取价格	DC-DC Regulated Power Supply Module,
AHF2812D/ES-MSTR	ETC	获取价格	Analog IC
AHF2812D/ESPBF	INFINEON	获取价格	DC-DC Regulated Power Supply Module, 2 Output, 11.016W, Hybrid, HERMETIC SEALED PACKAGE-8
AHF2812D/ES-SLV	ETC	获取价格	Analog IC
AHF2812D/HB	INFINEON	获取价格	28V Input, Single and Dual Output
AHF2812D/HB-MSTR	ETC	获取价格	Analog IC
AHF2812D/HBPBF	INFINEON	获取价格	DC-DC Regulated Power Supply Module, 2 Output, 11.016W, Hybrid, HERMETIC SEALED PACKAGE-8
AHF2812D/HB-SLV	ETC	获取价格	Analog IC

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