IR2085STRPBF
图片仅供参考
数据手册- 通道
- 2
- 安装
- SMD
- Diagnostics
- NO
- T(j)最小
- -40 °C
- T(j)最大
- 150 °C
- t 开
- 0.04 µS
- t 关
- 0.02 µS
- OL探测
- NO
- P(tot)
- NO
- 封装
- SOIC 8N
- RoHS Status
- RoHS-conform
- 包装
- REEL
- 生产商产品料号
- SP001561320
- 出口控制分类编号
- EAR99
- 海关税号
- 85423990000
- 国家或地区
- Malaysia
- ABC 编码
- A
- 生产商交期
- 44 周
High Speed 100V Self Oscillating 50% Duty Cycle Half Bridge Driver in a 8-Lead SOIC package
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.
Summary of Features
· Simple primary side control solution to enable
half-bridge DC-Bus Converters for 48V distributed systems with reduced
component count and board space
· Integrated 50% duty cycle oscillator & half-bridge driver IC in a single SO-8 package
· Programmable switching frequency with up to 500kHz max per channel
· +/- 1A drive current capability optimized for low charge MOSFETs
· Adjustable dead-time 50ns – 200ns
· Floating channel designed for bootstrap operation up to +100Vdc
· High and low side pulse width matching to +/- 25ns
· Adjustable overcurrent protection
· Undervoltage lockout and internal soft start
· Also available Leadfree
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