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IR2085S
  • IR2085S

IR2085S

The IR2085S is a self-oscillating half-bridge driver IC with 50% duty cycle ideally suited for 36V – 75V halfbridge DC-bus converters. This product is also suitable for push-pull converters without restriction on input voltage. Each channel frequency is equal to fOSC, which can be set by selecting RT & CT, where fOSC = 1/(2*RT.CT). Dead-time can be controlled through proper selection of CT and can range from 50ns to 200ns. Internal soft-start increases the pulse width during power up and maintains pulse width matching for the high and low outputs throughout the start up cycle. The IR2085S initiates a soft start at power up and after every overcurrent condition. Undervoltage lockout prevents operation if VCC is less than 7.5V.

Infineon Technologies IR2085S Product Info

16 April 2026 0

Parameters

Channels

2

Configuration

Half-Bridge

Isolation Type

Functional levelshift

Output Current (Sink)

1 A

Output Current (Source)

1 A

Qualification

Industrial

Turn On Propagation Delay

40 ns

Voltage Class

100 V

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