MAX256 - Maxim Integrated Products

MAX256 3W Primary-Side Transformer H-Bridge Driver

Features ♦ Provides Up to 3W to the Transformer in Isolated Power Supplies ♦ Single Supply +5V or +3.3V Operation ♦ Internal Resistor-Programmable Oscillator Mode ♦ External Clock Mode with Watchdog ♦ Disable Mode ♦ Undervoltage Lockout ♦ Thermal Shutdown MAX256 The MAX256 is an integrated primary-side controller and H-bridge driver for isolated power-supp.

Features

♦ Provides Up to 3W to the Transformer in Isolated Power Supplies ♦ Single Supply +5V or +3.3V Operation ♦ Internal Resistor-Programmable Oscillator Mode ♦ External Clock Mode with Watchdog ♦ Disable Mode ♦ Undervoltage Lockout ♦ Thermal Shutdown MAX256 The MAX256 is an integrated primary-side controller and H-bridge driver for isolated power-supply circuits. The device contains an on-board oscillator, protection circuitry and internal FET drivers to provide up to 3W of power to the primary winding of a transformer. The MAX256 can be operated using the internal programmable oscillator or can.