LM2594 PDF Datasheet
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Description
This is SIMPLE SWITCHER Power Converter 150 kHz 0.5A Step-Down Voltage Regulator. LM2594, LM2594HV SIMPLE SWITCHER Power Converter 150 kH- 0.5A Step-Down Voltage Regulator
December 1999
LM2594, LM2594HV SIMPLE SWITCHER ® Power Converter 150 kH- 0.5A Step-Down Voltage Regulator
General Description
The LM2594, LM2594HV series of regulators are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator, capable of driving a 0.5A load with excellent line and load regulation. These devices are available in fixed output voltages of 3.3V, 5V, 12V, and an adjustable output version, and are packaged in a 8-lead DIP and a 8-lead surface mount package. Requiring a minimum number of external components, these regulators are simple to use and feature internal frequency compensation†, a fixed-frequency oscillator, and improved line and load regulation specifications. The LM2594, LM2594HV series operates at a switching frequency of 150 kH- thus allowing smaller sized filter components than what would be needed with lower frequ.