LM2674M-5.0/NOPB: Top Choice in United States (USA) Utsource Holding Company Limited

Description

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	VIN	Continuous	6.5	-	42	V
Output Voltage	VOUT	Fixed	-	5.0	-	V
Output Current	IOUT	Continuous	-	3.0	-	A
Efficiency	η	VIN = 12V, IOUT=1A	-	87	-	%
Switching Frequency	fSW		-	260	-	kHz
Quiescent Current	IQ	VIN = 12V	-	5	-	mA
Shutdown Current	ISD	VIN = 12V	-	40	-	μA
Thermal Shutdown	TSD		-	160	-	°C

Input Power Supply:
- Ensure the input voltage (VIN) is within the range of 6.5V to 42V.
- Connect a bypass capacitor (typically 0.1μF ceramic) close to the input pins to minimize noise and transients.
Output Configuration:
- The output voltage (VOUT) is fixed at 5.0V. No external resistors are required for setting the output voltage.
- Use an appropriate output capacitor (e.g., 10μF tantalum or ceramic) to stabilize the output.
Thermal Considerations:
- Ensure adequate heat dissipation if operating near maximum load conditions.
- Monitor the device temperature to avoid exceeding the thermal shutdown threshold of 160°C.
Efficiency Optimization:
- For optimal efficiency, operate within recommended input and output current ranges.
- Keep switching frequency stable at 260kHz to maintain performance.
Power-On/Shutdown:
- The quiescent current is typically 5mA under normal operation.
- In shutdown mode, the current drops to approximately 40μA to conserve power.
Protection Features:
- The device includes overcurrent and thermal protection features to safeguard against faults.
- Ensure that the circuit design allows for proper triggering of these protections when necessary.

(For reference only)