LM2590HV - Texas Instruments

LM2590HV 1-A Step-Down Voltage Regulator

The LM2590HV series of regulators are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator, capable of driving a 1-A load with excellent line and load regulation. These devices are available in fixed output voltages of 3.3-V, 5-V, and an adjustable output version. This series of switching regulators .

Features

•1 3.3-V, 5-V, and Adjustable Output Versions
• Adjustable Version Output Voltage Range, 1.2 V to 57 V ±4% Max Over Line and Load Conditions
• Ensured 1-A Output Load Current
• Available in 7-Pin TO-220 and TO-263 (Surface- Mount) Package
• Input Voltage Range Up To 60 V
• 150-kHz Fixed Frequency Internal Oscillator
• Shutdown and Soft-start
• Out Of Regulation Error Flag
• Error Flag Delay
• Low Power Standby Mode, IQ: 90 µA (Typical)
• High Efficiency
• Thermal Shutdown And Current Limit Protection 2 Applications
• Simple High-Efficiency Step-Down (Buck) Regulators
• Efficient Preregulator F.