LT®8316 600 Vin Micropower No-Opto Isolated Flyback Controller

Product Highlights > LT®8316 600 Vin Micropower No-Opto Isolated Flyback Controller

            LT®8316 600 Vin Micropower No-Opto Isolated Flyback Controller
                    Analog Devices' high-voltage flyback controller is available in a thermally enhanced 20-pin TSSOP package
    

Image of Analog Devices' LT8316 Isolated Flyback Converter Analog Devices' LT8316 is a micropower, high-voltage flyback controller that requires no opto-isolator for regulation. The device samples the output voltage from the isolated flyback waveform appearing across a third winding on the transformer. Quasi-resonant boundary mode operation improves load regulation, reduces transformer size, and maintains high efficiency.

At start-up, the LT8316 charges its INTV_CC capacitor via a high-voltage current source. During normal operation, the current source turns off and the device draws its power from a third winding on the transformer, minimizing standby power dissipation.

The LT8316 operates from a wide range of input supply voltages and can deliver up to 100 W of power. It is available in a thermally enhanced 20-pin TSSOP package with four pins removed for high-voltage spacing.

Features

Wide input voltage range: 16 V to 600 V
No opto-isolator required for regulation
Quasi-resonant boundary mode operation
Constant-current and constant-voltage regulation

Low-ripple light load Burst Mode® operation
Low quiescent current: 75 µA
Programmable current limit and soft-start
TSSOP package with high-voltage pin spacing

Applications

Isolated telecom, automotive, industrial, and medical power supplies
Isolated off-line housekeeping power supplies

Electric vehicles and battery stacks
Multi-output isolated power supplies for inverter gate drives