HTC KOREA LM4576 40V, 3.0A, 300kHz, STEP-DOWN SWITCHING REGULATOR

HTC KOREA LM4576 40V, 3.0A, 300kHz, STEP-DOWN SWITCHING REGULATOR

Kategori: Non-Synchronous Step-Down DC-DC Converter Tersedia
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Penerangan

FEATURES

- 3.3V, 5V, 12V and Adjustable output versions
- Adjustable version output voltage range, 1.23V to 37V
- ±4% max over line and load condition
- Available in TO-220, TO-263 and SOP-8PP
- Guaranteed 3A output load current
- Input voltage range up to 40V
- Requires only 4 external components
- Excellent line and load regulation specifications
- 300kHz fixed frequency internal oscillator
- Low power standby mode, ISTB typically 30uA
- High efficiency
- Thermal shutdown and current limit protection
- Output short protection by reduction of frequency by 3 times

DESCRIPTION
The LM4576 series of regulators are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator, capable of driving a 3A 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.
Available in a standard 5-lead TO-220 package and a 5-lead TO-263 surface mount package.
External shutdown is included, featuring typically 30 µA standby current. The output switch includes cycle-bycycle current limiting, as well as thermal shutdown, and protection from output short for full protection under fault conditions.
 

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