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Updated at 17/06/2025 10:30:15(UTC+8)

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Description

The L6599N is a high-voltage Resonant Controller for the resonant half-bridge topology. It provides 50% complementary duty cycle. The high-side switch and the low-side switch are driven on/off 180° out-of-phase for exactly the same time. Output voltage regulation is obtained by modulating the operating frequency. A fixed deadtime inserted between the turn-off of one switch and the turn-on of the other one guarantees soft-switching and enables high-frequency operation. To drive the high-side switch with the bootstrap approach, the IC incorporates a high-voltage floating structure able to withstand more than 600V with a synchronous-driven high-voltage DMOS that replaces the external fast-recovery bootstrap diode. The IC enables the designer to set the operating frequency range of the converter by means of an externally programmable oscillator.
50% Duty cycle, variable frequency control of resonant half-bridge
High-accuracy oscillator
Two-level OCP - Frequency-shift and latched shutdown
Interface with PFC controller
Latched disable input
Burst-mode operation at light load
Input for power-ON/OFF sequencing or brownout protection
Non-linear soft-start for monotonic output voltage rise

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L6599N Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Through Hole
Number of Pins	16 Pin
Case/Package	DIP-16
Supply Voltage (DC)	8.85V (min)
Number of Outputs	1 Output
Output Voltage	600 V
Output Current	800 mA
Supply Current	3.5 mA
Number of Positions	16 Position
Power Dissipation	1000 mW
Quiescent Current	1.50 mA
Switching Frequency	500 kHz
Maximum Duty Cycle	52 %
Operating Temperature (Max)	150 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	1000 mW
Supply Voltage	8.85V ~ 16V
Supply Voltage (Max)	16 V
Supply Voltage (Min)	8.85 V
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Size-Length	20 mm
Size-Width	7.1 mm
Size-Height	5.1 mm
Operating Temperature	-40℃ ~ 150℃
Product Lifecycle Status	Pre-Release
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/12/17

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