ISL8843A

The ISL8840A,ISL8841A,ISL8842A,ISL8843A,ISL8844A,ISL8845A 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.

ISL8843A 特点

• 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

ISL8843A 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

ISL8843A 芯片订购指南

芯片型号	产品状态	温度范围	封装尺寸图	潮湿敏感度等级MSL	美元价格US $
ISL8843AABZ	量产	Automotive	8 Ld SOIC	1	1.13
ISL8843AABZ-T	量产	Automotive	8 Ld SOIC T+R	1	1.13
ISL8843AAUZ	量产	Automotive	8 Ld MSOP	1	1.27
ISL8843AAUZ-T	量产	Automotive	8 Ld MSOP T+R	1	1.27
ISL8843AMBZ	量产	军用级	8 Ld SOIC	1	2.12
ISL8843AMBZ-T	量产	军用级	8 Ld SOIC T+R	1	2.12
ISL8843AMUZ	量产	军用级	8 Ld MSOP	1	2.22
ISL8843AMUZ-T	量产	军用级	8 Ld MSOP T+R	1	2.22

ISL8843A 应用技术支持与电子电路设计开发资源下载

1. ISL8843A 数据资料 datatSheet 下载.PDF
2. Power 电源管理器件产品选型指南 . pdf