L6599D Datasheet

Soft Switching PWM Controllers


The L6599D is a double-ended controller specific for the resonant half-bridge topology. It provides 50% complementary duty cycle: the high-side switch and the low-side switch are driven ON 180° out-of-phase for exactly the same time.Output voltage regulation is obtained by modulating the operating frequency. A fixed dead-time inserted between the turn-OFF of one switch and the turn-ON of the other one guarantees soft-switching and enables high-frequency operation. L6599D Features • 50% duty cycle, variable frequency control of resonant half-bridge• High-accuracy oscillator• Up to 500kHz operating frequency• Two-level OCP: frequency-shift and latchedshutdown• Interface with PFC controller• Latched disable input• Burst-mode operation at light load L6599D Applications • LCD & PDP TV• Desktop PC, entry-level server• Telecom SMPS• AC-DC adapter, open frame SMPS


[{"Name":"Number of Outputs","Value":"Single Output "},{"Name":"Output Current","Value":"800 mA "},{"Name":"Switching Frequency","Value":"500 kHz "},{"Name":"Operating Supply Voltage","Value":"8.85 V to 16 V "},{"Name":"Maximum Operating Temperature","Value":"+ 150 C "},{"Name":"Minimum Operating Temperature","Value":"- 40 C "},{"Name":"Mounting Style","Value":"SMD/SMT "},{"Name":"Package / Case","Value":"SO-16 "},{"Name":"Packaging","Value":"Tube "}]

Manufacturer information

Warm Hint

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