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2022-09-24 23:21:22
UC2714D-Dual peripheral driver
Features • Single input (PWM and TTL compatible)
• High current power FET driver, 1.0A Source/2A bank • Auxiliary output FET driver, 0.5A Source/1A bank power with • Auxiliary output with skew independently programmable from 50ns to 500ns
• Time-delay or true zero-voltage operation independently configures each output • Switching frequency is 1MHz
• Typical 50ns propagation delay • ENBL sleep pin activates 220µA mode • Output power is active low in sleep mode • Synchronous rectifier drive
The purpose of describing the high-speed driving of these two families is to provide complementary switching of driving waveforms. Complementary switch configurations are commonly used in synchronous rectification circuits and active clamp/reset circuits to provide zero-voltage switching. To facilitate soft-switching transitions, independent programmable delays are provided on the output waveform between the two drivers. The delay pins also feature true zero-voltage detection, allowing instant corresponding zero-voltage switching to be applied upon start-up. These devices require a PWM type input to operate and can be interfaced with commonly used PWM controllers. In the UC1714 series, the auxiliary output allows driving an inverted p-channel MOSFET. In the UC1715 series, the two outputs are configured in a true complementary manner. ...