Details

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BUY LMR64010XMF https://www.utsource.net/itm/p/6377717.html
SIMPLE SWITCHER? 40Vout, 1A Step-Up Voltage Regulator in SOT-23

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		渭A	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)	畏		94		%	Efficiency at typical operating conditions
Shutdown Current	ISD		0.1		渭A	Supply current in shutdown mode
Dropout Voltage	VDROPOUT		0.8		V	Difference between VIN and VOUT when fully loaded
Thermal Shutdown Threshold	TSD		160		掳C	Temperature at which device shuts down

Instructions for LMR64010XMF:

1. 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.

2. 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.

3. Frequency Setting:

   • Configure the switching frequency by selecting the appropriate external components or using the internal default setting of 1MHz.

4. 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.

5. Shutdown Operation:

   • Use the enable pin to control the on/off state of the regulator.
   • In shutdown mode, the supply current drops to approximately 0.1渭A.

6. Protection Features:

   • The device includes built-in protection features such as thermal shutdown and short-circuit protection to safeguard against faults.

7. 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)