LM2594HV

Product Folder Order Now Technical Documents Tools & Software Support & Community LM2594, LM2594HV SNVS118E – DECEMBER 1999 – REVISED MAY 2020 LM2594, LM2594HV SIMPLE SWITCHER® Power Converter 150-kHz 0.5-A Step-Down Voltage Regulator 1 Features 1 New product available: LMR36506 3-V to 65-V 0.6-A ultra-small synchronous buck converter 3.3-V, 5-V, 12-V, and adjustable output versions Adjustable version output voltage range: 1.2 V to 37 V (57-V for the HV version), ±4% maximum over line and load conditions Available in 8-pin surface-mount SOIC and 8-pin PDIP packages Ensured 0.5-A output current Input voltage range up to 60 V Requires only four external components 150-kHz Fixed-frequency internal oscillator TTL shutdown capability Low power standby mode, IQ typically 85 μA High efficiency Uses readily-available standard inductors Thermal shutdown and current-limit protection Start WEBENCH design with LM2594HV 2 Applications Simple high-efficiency step-down (buck) regulator Efficient preregulator for linear regulators On-card switching regulators Positive-to-negative convertor 3 Description The LM2594xx series of regulators are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator, capable of driving a 0.5-A load with excellent line and load regulation. These devices are available in fixed output voltages of 3.3 V, 5 V, 12 V, and an adjustable output version, and are packaged in a...