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LM22671MR-5.0/NOPB .

Buck (Step Down) Switching Regulator, Fixed, 4.5V-42V In, 5V And 0.5A Out, HSOP-8

TEXAS INSTRUMENTS LM22671MR-5.0/NOPB .

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Manufacturer Part No:
LM22671MR-5.0/NOPB .
Order Code:
2492145

Product Overview

The LM22671MR-5.0/NOPB is a SIMPLE SWITCHER fixed output step down switching regulator with adjustable frequency in 8 pin HSOP (SO PowerPAD) package. This switching regulator provides all of the functions necessary to implement an efficient high voltage step down (buck) regulator using a minimum of external components. It provides excellent line and load regulation along with high efficiency (> 90%). Voltage mode control offers short minimum on-time allowing the widest ratio between input and output voltages. In addition, the frequency can be adjusted over a range of 200KHz to 1MHz with a single external resistor. The internal oscillator can be synchronized to a system clock or to the oscillator of another regulator. During shutdown mode, the regulator draws only 25µA typically.
  • Wide input voltage range from 4.5V to 42V
  • Stable with low ESR ceramic capacitors
  • 200mohm N channel MOSFET
  • 5V fixed output and 500mA load current
  • Built-in thermal shutdown and current limiting to protect against accidental overloads
  • 500KHz default switching frequency
  • Precision enable pin and integrated boot strap diode
  • Adjustable soft start
  • Operating temperature range from -40°C to 125°C

Applications

Power Management, Industrial, Communications & Networking

Product Information

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:
Buck (Step Down)

:
4.5V

:
42V

:
HSOP

:
8Pins

:
500mA

:
5V

:
500kHz

:
125°C

:
-

:
-

:
MSL 3 - 168 hours
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