ISL9444 Description
DATASHEET ISL9444 Triple, 180° Out-of-Phase, Synchronous Step-Down PWM Controller FN7665 Rev 3.00 May 29, 2012 The ISL9444 is a triple-output synchronous buck controller that integrates three PWM controllers which are fully featured and designed to provide multi-rail power for use in products such as cable and satellite set-top boxes, VoIP gateways, cable modems, and other home connectivity products as well as a...
ISL9444 Key Features
- Three Integrated Synchronous Buck PWM Controllers
- Internal Bootstrap Diodes
- Independent Programmable Output Voltage
- Independent Power-Good Indicators, Soft-Starting and Tracking
- Power Failure Monitor
- Light Load Efficiency Enhancement
- Low Ripple Diode Emulation Mode with Pulse Skipping
- Supports Pre-Biased Output
- Programmable Frequency: 200kHz to 1200kHz
- Adaptive Shoot-through Protection
ISL9444 Applications
- Technical Brief TB389 “PCB Land Pattern Design and Surface Mount Guidelines for QFN (MLFP) Packages”