LM2597HV - SIMPLE SWITCHER Power Converter Step-Down Voltage Regulator
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I like circuit power supply, See to more website. This is IC LM2597HV (Good IC Step-Down Voltage Regulator)
Intro detail:
The LM2597/LM2597HV 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.
- 3.3V, 5V, 12V, and adjustable output versions
- Adjustable version output voltage range, 1.2V to 37V (57V for HV version)±4% max over line and load conditions
- Guaranteed 0.5A output current
- Available in 8-pin surface mount and DIP-8 package
- Input voltage range up to 60V
- 150 kHz fixed frequency internal oscillator
- Shutdown# /Soft-start
- Out of regulation error flag
- Error output delay
- Bias Supply Pin (VBS) for internal circuitry improves efficiency at high input voltages
- Low power standby mode, IQ typically 85 µA
- High Efficiency
- Uses readily available standard inductors
- Thermal shutdown and current limit protection
Please Read More Source:
http://www.national.com/pf/LM/LM2597HV.html
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