Enhanced high voltage resonant controller
L6699
Enhanced high voltage resonant controller
Features
■ Symmetrical duty cycle, variable frequency control of reson...
Description
L6699
Enhanced high voltage resonant controller
Features
■ Symmetrical duty cycle, variable frequency control of resonant half bridge
■ Self-adjusting adaptive deadtime
■ High-accuracy oscillator
■ 2-level OCP: frequency-shift and immediate shutdown
■ Interface with PFC controller
■ Anti-capacitive-mode protection
■ Burst-mode operation at light load
■ Input for brownout protection or power-on/off sequencing
■ “Safe-start” procedure prevents hard switching at startup
■ 600 V rail compatible high-side gate driver with integrated bootstrap diode and high dv/dt immunity
■ -300/800 mA high-side and low-side gate drivers with UVLO pull-down
■ SO16N package
Datasheet − production data
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Applications
■ SMPS for LCD TVs, desktop and AIO PCs, servers, Telecom power
■ AC-DC adapter, open frame SMPS
Table 1. Device summary
Order codes
Package
L6699D L6699DTR
SO16N
Packing Tube
Tape and reel
Figure 1. Block diagram
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