LMR64010XMF: Top Choice in United States (USA) Utsource Holding Company Limited

Description

Parameter	Symbol	Min	Typical	Max	Unit	Description
Input Voltage	VIN	4.5		60	V	Operating input voltage range
Output Voltage Range	VOUT	0.8		57	V	Adjustable output voltage range
Switching Frequency	fSW		1.0	2.2	MHz	Configurable switching frequency
Quiescent Current	IQ		30		μA	Quiescent current at no load
Load Regulation			0.1		%	Change in output voltage over load range
Line Regulation			0.01		%/V	Change in output voltage due to changes in input voltage
Efficiency (Typical)	η		94		%	Efficiency at typical operating conditions
Shutdown Current	ISD		0.1		μA	Supply current in shutdown mode
Dropout Voltage	VDROPOUT		0.8		V	Difference between VIN and VOUT when fully loaded
Thermal Shutdown Threshold	TSD		160		°C	Temperature at which device shuts down

Power Supply Connection:
- Connect the input voltage (VIN) within the specified range of 4.5V to 60V.
- Ensure proper decoupling capacitors are placed close to the VIN pin to minimize noise and transients.
Output Configuration:
- Set the desired output voltage using an external resistor divider network if adjustable output is required.
- The output voltage can be set between 0.8V and 57V.
Frequency Setting:
- Configure the switching frequency by selecting the appropriate external components or using the internal default setting of 1MHz.
Thermal Considerations:
- Ensure adequate heat sinking or PCB layout to manage heat dissipation, especially under high load conditions.
- Monitor the thermal shutdown threshold to prevent overheating.
Shutdown Operation:
- Use the enable pin to control the on/off state of the regulator.
- In shutdown mode, the supply current drops to approximately 0.1μA.
Protection Features:
- The device includes built-in protection features such as thermal shutdown and short-circuit protection to safeguard against faults.
Layout Recommendations:
- Place the inductor and output capacitor close to the IC to optimize performance.
- Follow the recommended PCB layout guidelines provided in the datasheet for best results.

(For reference only)