Details
BUY LM22674MR-5.0/NOPB https://www.utsource.net/itm/p/7279341.html
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:
- Power Supply Connection: Ensure the input voltage is within the specified range of 4.5V to 60V.
- Output Configuration: The LM22674MR-5.0/NOPB provides a fixed 5V output. No external components are required for voltage setting.
- Heat Dissipation: For optimal performance, especially under high current loads, ensure adequate heat dissipation or use a heatsink.
- Capacitor Selection: Choose input and output capacitors that can handle the ripple currents and voltages expected in your application.
- PCB Layout: Follow recommended PCB layout guidelines to minimize noise and improve stability. Keep the input capacitor close to the IC.
- Protection Circuits: Incorporate necessary protection circuits such as reverse polarity protection and transient voltage suppression.
- 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)View more about LM22674MR-5.0/NOPB on main site