IR2086STRPBF 600V Half-Bridge Driver IC High-Side Bootstrap 200mA/350mA Sourcing/Sinking 50ns Deadtime Control VCC UVLO Protection For Motor Drives and UPS Inverters

Features

• Simple primary side control solution to enable full-bridge DC-Bus Converters for 48V distributed systems with reduced component count and board space.

• Frequency and dead time set by two external components

• Maximum 500KHz per channel output with 50% duty cycle

• Adjustable dead time 50nsec ~ 200nsec

• Floating channel designed for bootstrap operation up to +100Vdc

• High and low side pulse width matching to +/- 25nsec

• Overcurrent protection with adjustable hiccup period.

• Undervoltage lockout and internal soft start • Part also available leadfree

Applications

• Motor Drive Inverters: For driving the phase legs in AC motor drives (VFDs) and servo drives.

• Switched-Mode Power Supplies (SMPS): In half-bridge and full-bridge topologies.

• Uninterruptible Power Supply (UPS) Inverters.

• DC-AC Inverters for solar and general power conversion.

• Electronic Ballasts and Induction Heating.

Description

The IR2086S(PbF) is a self oscillating full-bridge controller and driver IC with 50% duty cycle ideally suited for 36V-75V full-bridge DC Bus Converters. Dead time can be controlled through proper selection of CT and can range from 50 to 200nsec. Internal soft start increases pulse width on power up and maintains equal pulse widths for the high and low outputs throughout the start up cycle. Undervoltage lockout prevents operation if Vcc is less than 7.5 Vdc. Over current shutdown occurs when the voltage on the Cs pin exceeds 200mV. Restart after overcurrent trip can be delayed by adjusting the external capacitor. The delay time ranges from 10µs to 1s

INFORMATION

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