ISL8704A

The ISL8700A, ISL8701A, ISL8702A, ISL8703A, ISL8704A, ISL8705A family of ICs provide four delay adjustable sequenced outputs while monitoring an input voltage all with a minimum of external components.

High performance DSP, FPGA, μP and various sub-systems require input power sequencing for proper functionality at initial power up and the ISL870XA provides this function while monitoring the distributed voltage for over and undervoltage compliance.

These ICs operate over the +3.3V to +24V nominal voltage range. All have a user adjustable time from UV and OV voltage compliance to sequencing start via an external capacitor when in auto start mode and adjustable time delay to subsequent ENABLE output signal via external resistors.

Additionally, the ISL8702A, ISL8703A, ISL8704A and ISL8705A provide I/O for sequencing on and off operation (SEQ_EN) and for voltage window compliance reporting (FAULT) over the +3.3V to +24V nominal voltage range.

Easily daisy chained for more than 4 sequenced signals.

Altogether, the ISL870XA provides these adjustable features with a minimum of external BOM. See Figure 1 for typical implementation.

Applications

• Power Supply Sequencing
• System Timing Function

ISL8704A 特点

• Adjustable Delay to Subsequent Enable Signal
• Adjustable Delay to Sequence Auto Start
• Adjustable Distributed Voltage Monitoring
• Under and Overvoltage Adjustable Delay to Auto Start Sequence
• I/O Options
  • ENABLE (ISL8700A, ISL8702A, ISL8704A) and ENABLE# (ISL8701A, ISL8703A, ISL8705A) SEQ_EN (ISL8702A, ISL8703A) and SEQ_EN# (ISL8704A, ISL8705A)
• Voltage Compliance Fault Output
• Pb-Free Plus Anneal Available (RoHS Compliant)

ISL8704A 芯片订购指南

芯片型号	产品状态	温度范围	封装尺寸图
ISL8704AIBZ	量产	工业级	14 Ld SOIC
ISL8704AIBZ-T	量产	工业级	14 Ld SOIC T+R

ISL8704A 应用技术支持与电子电路设计开发资源下载

1. ISL8704A 数据资料 datatSheet 下载.PDF
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