Details

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BUY LM5112MY/NOPB https://www.utsource.net/itm/p/11741559.html

Parameter	Symbol	Min	Typical	Max	Unit	Conditions
Input Voltage Range	VIN	4.5	-	60	V	Continuous operation
Output Current	IOUT	-	2.0	3.0	A	Continuous, at 25掳C ambient
Switching Frequency	fSW	200	700	2000	kHz	Adjustable
Efficiency (Typical)	畏	-	96	-	%	At 12V input, 5V output, 1A load
Quiescent Current	IQ	-	180	-	渭A	No load, 12V input
Shutdown Current	ISD	-	1	-	渭A	VEN = 0V
Thermal Shutdown Temperature	TSD	-	160	-	掳C	Typical
Operating Junction Temperature	TJ	-40	-	125	掳C	Storage and operation
Package	-	-	-	-	-	SOIC-8

Instructions for Use:

1. Input Voltage (VIN):

   • Ensure the input voltage is within the specified range of 4.5V to 60V.
   • Use appropriate input filtering and decoupling capacitors to stabilize the input voltage.

2. Output Configuration:

   • Set the output voltage using external resistors connected to the FB pin.
   • Use an inductor and output capacitor to filter the switching waveform and provide a stable output.

3. Switching Frequency (fSW):

   • Adjust the switching frequency by connecting an external resistor to the RT pin.
   • Higher frequencies reduce the size of external components but may increase power loss.

4. Thermal Management:

   • Ensure adequate heat dissipation to keep the junction temperature below 125掳C.
   • Use a heatsink if necessary, especially under high load conditions.

5. Enable Pin (VEN):

   • The device can be enabled or disabled by applying a logic high or low to the VEN pin.
   • When VEN is low, the device enters a low-power shutdown mode with minimal current draw.

6. Protection Features:

   • The LM5112MY/NOPB includes overcurrent protection, thermal shutdown, and undervoltage lockout (UVLO) to protect against various fault conditions.
   • Ensure these features are properly configured to avoid damage to the device.

7. Layout Considerations:

   • Follow good PCB layout practices to minimize noise and parasitic effects.
   • Keep high-current paths short and wide, and use ground planes to reduce inductance.

8. Storage and Handling:

   • Store the device in a dry, cool environment.
   • Handle with care to avoid static discharge, which can damage the device.

By following these instructions, you can ensure reliable and efficient operation of the LM5112MY/NOPB in your application.

(For reference only)