Details

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BUY LT4363MPMS-2#PBF https://www.utsource.net/itm/p/12605980.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage Range	VIN		4.5		60	V
Output Voltage	VOUT	No Load		3.3		V
Quiescent Current	IQ	VIN = 12V		70		渭A
Shutdown Current	ISD	VIN = 12V, EN Low		1		渭A
Maximum Load Current	ILOAD	VOUT = 3.3V		200		mA
Dropout Voltage	VDROPOUT	ILOAD = 200mA		250		mV
Enable Threshold (Rising)	VEN(R)	Rising		1.24		V
Enable Threshold (Falling)	VEN(F)	Falling		0.8		V

Instructions for LT4363MPMS-2#PBF:

1. Power Supply Connection:

   • Connect the input voltage (VIN) between 4.5V and 60V to the input pin.
   • Ensure proper bypass capacitors are placed close to the input and output pins to stabilize the supply.

2. Enable Pin Configuration:

   • The enable pin (EN) can be pulled high to turn on the regulator or low to put it into shutdown mode.
   • Use a pull-up resistor to VCC if the enable pin is not actively driven.

3. Output Voltage Setting:

   • The output voltage is preset to 3.3V with no load. For adjustable versions, use external resistors to set the desired output voltage.

4. Thermal Considerations:

   • Ensure adequate heat sinking if operating at higher input voltages or load currents to maintain thermal stability.

5. Load Regulation:

   • The device supports up to 200mA of load current. Check the dropout voltage to ensure efficient operation under varying loads.

6. Shutdown Mode:

   • When the enable pin is pulled low, the shutdown current drops to approximately 1渭A, minimizing power consumption in standby.

7. Capacitor Selection:

   • Choose output capacitors that provide low ESR and adequate capacitance to ensure stable regulation and transient response.

8. PCB Layout Recommendations:

   • Follow recommended PCB layout guidelines to minimize noise and parasitic effects, ensuring optimal performance.

9. Handling Precautions:

   • Handle the component with care to avoid damage from electrostatic discharge (ESD). Use appropriate ESD protection measures during handling and assembly.

For detailed design considerations and application circuits, refer to the datasheet provided by the manufacturer.

(For reference only)