LT8210-1
100V VIN and VOUT Synchronous 4-Switch Multiphase Buck-Boost DC/DC Controller
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特性
- Built-In Multiphase Current Sharing
- 18μA Pass-Thru Mode IQ with 99.9% Efficiency
- Pass-Thru or Fixed Output CCM, DCM Operation
- Programmable Non-Switching Pass-Thru Window
- VIN Range: 2.8V to 100V (4.5V for Start-Up)
- VOUT Range: 1V to 100V
- Reverse Input Protection to -40V
- ±2% Output Voltage Accuracy (–40°C to 125°C)
- Programmable Current Limit
- 10V Quad N-Channel MOSFET Gate Drivers
- ±20% Cycle-by-Cycle Inductor Current Limit
- No Top MOSFET Refresh Noise in Buck or Boost
- Fixed/Phase-Lockable Frequency: 80kHz to 400kHz
- Spread-Spectrum Frequency Modulation for Low EMI
- Power Good Output Voltage/Overcurrent Monitor
- Available in a 40-Lead (6mm x 6mm) QFN Package
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The LT®8210-1 is a 4-switch synchronous buck-boost DC/DC controller that can operate in pass-thru mode, forced continuous conduction, or pulse-skipping mode. Pass-Thru is a feature that passes the input directly to the output when the input is within a user programmable window. Pass-Thru mode eliminates switching losses and EMI while maximizing efficiency. For input voltages above or below the pass-thru window, the buck or boost regulation loops maintain the output at the set maximum or minimum values, respectively. The LT8210-1 is pin compatible with the LT8210. The IMON pin on the LT8210-1 has an ISHARE function, which allows for masterless current sharing.
Multiple LT8210-1 can be connected in parallel for higher output current and reduced voltage ripple. A masterless closed loop current sharing loop balances the current per phase and allows phase shedding. Optional reverse input protection down to -40V can be implemented with the addition of a single N-channel MOSFET. The LT8210-1 includes a precision current sense amplifier that can accurately monitor and limit output or input average current.
APPLICATIONS
- Industrial, Telecom,
- Avionics Systems
- Automotive
- Qualification in Progress
提问
在下面提交您的问题，我们将从 ADI 的知识库中给出最佳答案:
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产品技术资料帮助
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参考资料
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| 产品型号 | 引脚/封装图-中文版 | 文档 | CAD 符号，脚注和 3D模型 |
|---|---|---|---|
| LT8210AUJ-1#PBF |
40-Lead QFN (6mm x 6mm x 0.75mm w/ EP)
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| LT8210AUJ-1#TRPBF |
40-Lead QFN (6mm x 6mm x 0.75mm w/ EP)
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- LT8210AUJ-1#PBF
- 引脚/封装图-中文版
-
40-Lead QFN (6mm x 6mm x 0.75mm w/ EP)
- 文档
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD 符号，脚注和 3D模型
-
Ultra Librarian
-
SamacSys
- LT8210AUJ-1#TRPBF
- 引脚/封装图-中文版
-
40-Lead QFN (6mm x 6mm x 0.75mm w/ EP)
- 文档
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD 符号，脚注和 3D模型
-
Ultra Librarian
-
SamacSys
