LM22674MR-5.0/NOPB

LM22674MR-5.0/NOPB

Category: IC Chips

Specifications
SKU
7279341
Details

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SIMPLE SWITCHER? Step-Down Regulators, LM2267x & LM22680 Series Wide input voltage range: 4.5V to 42V Internally compensated voltage mode control for small BOM count Stable with low ESR ceramic capacitors Switching frequency of 500kHz, adjustable between 200kHz and 1MHz Precision enable pin Integrated boot diode Integrated soft-start Fully WEBENCH? Design enabled
Parameter Symbol Min Typ Max Unit Description
Input Voltage VIN 4.5 60 V Operating input voltage range
Output Voltage VOUT 5.0 V Fixed output voltage setting
Output Current IOUT 2.5 3.0 A Continuous output current
Switching Frequency fSW 500 kHz Nominal switching frequency
Efficiency η 92 % Typical efficiency at nominal conditions
Quiescent Current IQ 1.8 mA Quiescent current at no load
Dropout Voltage VDROPOUT 0.7 V Dropout voltage at full load
Operating Temperature TOPR -40 125 °C Operating junction temperature range
Storage Temperature TSTG -65 150 °C Storage temperature range

Instructions for Use:

  1. Power Supply Connection: Ensure the input voltage is within the specified range of 4.5V to 60V.
  2. Output Configuration: The LM22674MR-5.0/NOPB provides a fixed 5V output. No external components are required for voltage setting.
  3. Heat Dissipation: For optimal performance, especially under high current loads, ensure adequate heat dissipation or use a heatsink.
  4. Capacitor Selection: Choose input and output capacitors that can handle the ripple currents and voltages expected in your application.
  5. PCB Layout: Follow recommended PCB layout guidelines to minimize noise and improve stability. Keep the input capacitor close to the IC.
  6. Protection Circuits: Incorporate necessary protection circuits such as reverse polarity protection and transient voltage suppression.
  7. Testing: Before finalizing the design, test the circuit under various operating conditions to ensure stability and reliability.

For detailed specifications and additional information, refer to the datasheet provided by the manufacturer.

(For reference only)

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