AHV2815T Datasheet (data sheet) PDF





AHV2815T Datasheet, HYBRID-HIGH RELIABILITY DC-DC CONVERTER

AHV2815T   AHV2815T  

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HYBRID-HIGH RELIABILITY DC-DC CONVERTER PD-94583C AHV28XX SERIES 28V Input, Si ngle, Dual and Triple Output Descripti on The AHV Series of DC-DC converters a re designed to replace the AHE/ATO fami ly of converters in applications requir ing compliance to MIL-STD-704A through E, in particular the input surge requir ement of 80V specified to withstand tra nsient input voltage of 80V. No input v oltage or output power derating is nece ssary over the full military temperatur e range. These converters are p

AHV2815T Datasheet, HYBRID-HIGH RELIABILITY DC-DC CONVERTER

AHV2815T   AHV2815T  
ackaged in an extremely rugged, low prof ile package that meets all requirements of MILSTD-883 and MIL-PRF-38534. Paral lel seam weld sealing and the use of ce ramic pin feed thru seals assure long t erm hermeticity after exposure to exten ded temperature cycling. The basic circ uit is a push-pull forward topology usi ng power MOSFET switches. The nominal s witching frequency is 500kHz. A unique current injection circuit assures curre nt balancing in the power switches. All AHV series converters use a single sta ge LC input filter to attenuate input r ipple current. A low power 11.5V series regulator provides power to an epitaxi al CMOS custom pulse width modulator in tegrated circuit. This single integrate d circuit provides all PWM primary circ uit functions. Power is transferred from primary to second








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