1A Standard Buck PWM Regulator

The ISL85001 is a high-performance, simple output controller that provides a single, high frequency power solution for a variety of point-of-load applications. The ISL85001 integrates a 1A standard buck PWM controller and switching MOSFET.

Features
• Standard buck controller with integrated switching power MOSFET
• Integrated boot diode
• Input voltage range
    - Fixed 5V ±10%
    - Variable 5.5V to 25V
• PWM output voltage adjustable from 0.6V to 19V with continuous output current up to 1A
• ±1% VFB tolerance
• Voltage mode control with voltage feed-forward
• Fixed 500kHz switching frequency
• Externally adjustable soft-start time
• Output undervoltage protection
• Enable inputs
• PGOOD output
• Overcurrent protection
• Thermal overload protection
• Internal 5V LDO regulator
• Pb-free (RoHS compliant)

Applications
• General purpose
• WLAN Cards-PCMCIA, Cardbus32, MiniPCI cards-compact flash cards
• Hand-held instruments
• LCD panel
• Set-top box