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概要
Description
The ISL6726 is a highly featured single-ended PWM controller intended for applications using the active clamp forward converter topology in either n- or p-channel active clamp configurations, the asymmetric half-bridge topology, and the standard forward topologies with synchronous rectification. It is a current-mode PWM controller with many features designed to simplify its use. Among its many features are a precision oscillator which allows accurate control of the deadtime and maximum duty cycle, bi-directional synchronization with 180° phase shift for interleaving applications, adjustable soft-start and soft-stop, a low power disable mode, and average current limit for brick-wall overcurrent protection. This advanced BiCMOS design features low start-up and operating currents, adjustable switching frequency to greater than 1MHz, high current FET drivers, and very low propagation delays for a fast response to overcurrent faults.
特長
- Precision Maximum Duty Cycle and Deadtime Control
- 125µA Typical Start-up Current
- Adjustable Peak and Average Current Limit Protection
- Programmable Oscillator Frequency
- Bi-Directional Synchronization with 180° Phase Shift for Interleaved Converter Applications
- Adjustable Soft-Start and Selectable Soft-Stop
- Selectable Minimum Duty Cycle Clamp for Synchronous Rectifier Applications
- Programmable Slope Compensation
- Supports N- and P-Channel Active Clamp FETs
- Programmable Switch Timing Between Main and Active Clamp Outputs
- Programmable Undervoltage Lock-Out (UV)
- Input Voltage Dependent Duty Cycle Clamp
- ENABLE Input with Low Power Disable
- Internal Over-Temperature Protection
- Pb-Free (RoHS Compliant)
アプリケーション
アプリケーション
- Telecom and Datacom Power Supplies
- AC/DC Power Supplies
- Battery Chargers
設計・開発
ボード＆キット
ボード＆キット
Current Mode Active Clamp Forward Evaluation Board
The ISL6726EVAL1Z evaluation board is a 48V input to 5V output DC/DC converter that can output current up to 40A.
The ISL6726EVAL1Z board uses the ISL6726, an...
主要ドキュメント:
24V to 12V 90W Active Clamp Forward DC/DC Converter Evaluation Board
The ISL6726EVAL2Z evaluation board is a 24V input to 12V output DC/DC converter that can output current up to 7.5A. It is implemented with Renesas' ISL6726 active clamp...
主要ドキュメント:
モデル
ECADモデル
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製品選択
Processing table
| QSOP | Tube | 580 | サンプルを入手, | |
| QSOP | Reel | 2500 |
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