HSDF28S Series Transient Suppression DC/ DC Converters
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1 Features of?HSDF28S Series Transient Suppression DC/ DC Converters
High reliability ? ? ? ? ? ? ? ? ? ?? ? ? ? ? ?
Wide input voltage range:15V~50V, Typical
DC input voltage:?28V
Maximum input transient voltage:80V,1s
Output Power PO:20W
Operating temperature range Tc:-55℃~+125℃?
Low?Startup?current? Dimensions: 36.83?28.44?8.40mm3(without flange)
? ? ? ? ? ? ? ? ? ? ?50.80?28.44?8.40mm3?(with flang)
No output overshoot Weight:31g(without flange)
? ? ? ? ? ? ? ?34g (with flange)
Inhibit function Table?1 Product models
Input under-voltage locked?function
and output?short circuit protection? HSDF28S5,?HSDF28S5F
Maximum power density:38W/in3 HSDF28S12,?HSDF28S12F
Hermetically sealed metal case HSDF28S15,?HSDF28S15F
2 Scope of application of HSDF28S Series Transient Suppression DC/ DC Converters
High-reliability electronic system for aviation and aerospace, etc
3 Descriptions of HSDF28S Series Transient Suppression DC/ DC Converters
This series product is high reliable and is featured with transient protection (80v, 1s) 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 and short circuit protection.
Thick film hybrid techniques provides the HSDF28S Series thick film DC DC Converter with high reliability and optimum miniaturization. The design and manufacturing process of HSDF28S Series converters are in compliance with MIL-PRF-38534 and detailed specificationsShow Less1 Features of?HSDF28S Series Transient Suppression DC/ DC ConvertersHigh reliability ? ? ? ? ? ? ? ? ? ?? ? ? ? ? ?Wide input voltage range:15V~50V, TypicalDC input voltage:?28V Maximum input transient voltage:80V,1s Output Power PO:20W Operating temperature range Tc:-55℃~+125℃? Low?Startup?current? Dimensions: 36.83?28.44?8.40mm3(without flange)? ? ? ? ? ? ? ? ? ? ?50.80?28.44?8.40mm3?(with flang)No output overshoot Weight:31g(without flange)? ? ? ? ? ? ? ?34g (with flange)Inhibit function Table?1 Product modelsInput under-voltage locked?functionand output?short circuit protection? HSDF28S5,?HSDF28S5FMaximum power density:38W/in3 HSDF28S12,?HSDF28S12FHermetically sealed metal case HSDF28S15,?HSDF28S15F2 Scope of application of HSDF28S Series Transient Suppression DC/ DC ConvertersHigh-reliability electronic system for aviation and aerospace, etc3 Descriptions of HSDF28S Series Transient Suppression DC/ DC ConvertersThis se...Show More
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