HVSA28 Series High Reliability DC/DC Converters
1 Features ofHSSA28D Series Transient Suppression DC/ DC Converters
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High reliability |
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Wide Range input voltage：15V～50V，Nominal DC input voltage:28V |
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Maximum input transient voltage：80V，1s |
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Output Power PO：6W |
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Operating temperature range Tc：-55℃～+125℃ |
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Low Startup current |
Size:27.23×27.23×6.86mm(without flange) Size:39.0×27.23×6.86mm(With flange) |
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No output overshoot |
Weight：19g(Without flange) 24g(With flange) |
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Inhibit function |
Table1 Product models |
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Inhibit function and indefinite short circuit protection |
HSSA28D5、HSSA28D5F |
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maximum power density：19W/in3 |
HSSA28D12、HSSA28D12F |
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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.
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