TD2576
45V/3A PWM Buck DC/DC Converter

TD2576S (TO-263)
TD2576SADJ _{(Adjustable Output Voltage Version)}

TD2576S50 _{(5.0V Fixed Output Voltage Version)}

TD2576S33 _{(3.3V Fixed Output Voltage Version)}



TD2576L (TO-220)
TD2576LADJ _{(Adjustable Output Voltage Version)}

TD2576L50 _{(5.0V Fixed Output Voltage Version)}

TD2576L33 _{(3.3V Fixed Output Voltage Version)}

Package
TO-263	TO-220
Pin Assignments

• 3.3V,5.0V and adjustable output versions
• Output adjustable from 1.23v to 43V
• Fixed 52KHz frequency internal oscillator
• Guaranteed 3A output load current
• Input voltage range up to 45V
• Low power standby mode, IQ typically 80 µA
• TTL shutdown capability
• Excellent line and load regulation
• Requires only 4 external components
• High efficiency
• Thermal shutdown and current limit protection
• Available in TO-220 TO-220B and TO-263 packages