General Description

The MAX6665 is a fully integrated thermal switch with an internal power transistor for driving a cooling fan rated up to 24V and 250mA. When the MAX6665’s temperature rises above a factory-programmed threshold, the FANOUT pin becomes active and powers the fan.

Features

♦On-Chip 250mA Fan Switch

♦No External Components Required

♦Factory-Programmed Thresholds

♦Two Overtemperature Warning Signals

♦Pin-Selectable 1°C, 4°C, and 8°C Hysteresis

♦Low 65µA Supply Current

Applications

Notebook and Desktop Computers

Servers

PC Power Supplies

Laboratory Instruments