特性
- 1A MOSFET gate driver
- 90µA start-up current, 125µA maximum
- 35ns propagation delay current sense to output
- Fast transient response with peak current mode control
- 30V operation
- Adjustable switching frequency to 2MHz
- 20ns rise and fall times with 1nF output load
- Trimmed timing capacitor discharge current for accurate deadtime/maximum duty cycle control
- 1.5MHz bandwidth error amplifier
- Tight tolerance voltage reference over line, load and temperature
- ±3% current limit threshold
- Pb-free plus anneal available and ELV, WEEE, RoHS Compliant
描述
The ISL884xA is a high performance drop-in replacement for the popular 28C4x and 18C4x PWM controllers suitable for a wide range of power conversion applications including boost, flyback, and isolated output configurations. Its fast signal propagation and output switching characteristics make this an ideal product for existing and new designs. Features include 30V operation, low operating current, 90µA start-up current, adjustable operating frequency to 2MHz, and high peak current drive capability with 20ns rise and fall times.
应用方框图
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20kW 三相 PFC 逆变器
三相 PFC 逆变器采用瑞萨电子 MCU 以实现高效控制通信，支持高达 20kW 的功率。
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并网太阳能微型逆变器
太阳能微型逆变器系统，带有高性能MCU、MOSFET和驱动器的并网单元。
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交流伺服
该交流伺服系统采用 EtherCAT 设计，提供经济高效的高速电机控制。
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其他应用
- Telecom and datacom power
- Wireless base station power
- File server power
- Industrial power systems
- PC power supplies
- Isolated buck and flyback regulators
- Boost regulators