2A Standard Buck PWM Regulator

The ISL8500 is a high-performance, simple output controller that provides a single, high frequency power solution for a variety of point-of-load applications. The ISL8500 integrates a 2A 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 2A

• ±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

Applications

• General Purpose

• WLAN Cards-PCMCIA, Cardbus32, MiniPCI Cards-Compact Flash Cards

• Hand-Held Instruments

• LCD Panel

• Set-top Box