Key facts
- Model
- IR2085S
- Industry
- Industrial
- Documents
- 3
- Languages
- EN
- Last added
- 2012-07-10
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International Rectifier IR2085S Half-Bridge Driver IC Datasheet
The document describes the IR2085S as a high-speed, self-oscillating half-bridge driver integrated circuit featuring a 50% duty cycle oscillator. It is designed to simplify primary side control solutions for distributed systems with reduced component counts.
Key features include programmable switching frequencies up to 500kHz per channel, adjustable dead-time between 50ns and 200ns, and +/-1A drive current capability. The IC includes undervoltage lockout, internal soft start, and overcurrent protection.
International Rectifier IR2085S specifications
| Voc (max) | 25V |
|---|---|
| Package | SO-8 |
| Operating frequency (per channel) | 500 KHz |
Source: International Rectifier IR2085S Half-Bridge Driver Datasheet
All International Rectifier IR2085S documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the recommended range for the timing resistor?
The recommended range for the timing resistor is between 10kΩ and 100kΩ.
From: International Rectifier IR2085S Half-Bridge Driver IC Datasheet
What voltage range is suitable for half-bridge DC-bus converters?
The IR2085S is ideally suited for 36V-75V half-bridge DC-bus converters.
From: International Rectifier IR2085S Half-Bridge Driver IC Datasheet
What is the maximum operating frequency per channel?
The maximum operating frequency per channel is 500 KHz.
From: International Rectifier IR2085S Half-Bridge Driver Datasheet
What is the range for adjustable dead-time?
The adjustable dead-time ranges from 50nsec to 200nsec.
From: International Rectifier IR2085S Half-Bridge Driver Datasheet
What is the maximum switching frequency of the IR2085S?
The device can operate up to 500 kHz per channel.
What package does the IR2085S use?
It is supplied in an SO‑8 surface‑mount package.