HSSA28D Series Transient Suppression DC/ DC Converters

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Posting date : Dec 12, 2017

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Free Member Scince Dec 11, 2017

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Transient Suppressio

1 Features of HSSA28D Series Transient Suppression DC/ DC Converters

High reliability
Wide Range input voltage：15V～50V，Nominal DC input voltage:28V
Maximum input transient voltage：80V，1s
Output Power PO：6W
Operating temperature range Tc：-55℃～+125℃
Low Startup current	Size:27.23×27.23×6.86mm(without flange) Size:39.0×27.23×6.86mm(With flange)
No output overshoot	Weight：19g(Without flange) 24g(With flange)
Inhibit function	Table1 Product models
Inhibit function and indefinite short circuit protection	HSSA28D5、HSSA28D5F
maximum power density：19W/in3	HSSA28D12、HSSA28D12F
Hermetically sealed metal cases	HSSA28D15、HSSA28D15F

2 Scope of application of HSSA28D Series Transient Suppression DC/ DC Converters

High-reliability electronic system for aviation and aerospace, etc.

3 Description of HSSA28D Series Transient Suppression DC/ DC Converters

This series product is high reliable and is featured with transient protection (80 v, 1 s) for DC/DC converter. Single ended flyback, pulse width modulated and transformer magnetic feedback topology design are used in this product. The operating principle is that the sampling signal of output voltage, coupled by the opto-coupler, works together with the sampling signal of input loop current to regulate the pulse width of the controller. The double loop control creates constant voltage output

Thick film hybrid techniques provides the HSSA28D Series converters with high reliability and optimum miniaturization. The design and manufacturing process of HSSA28D Series converters are in compliance with MIL-PRF-38534.