Details

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BUY LTC1967 https://www.utsource.net/itm/p/12591061.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	VCC	Operating range	2.7		5.5	V
Quiescent Current	IQ	VIN = VCC, fSW = 1MHz		300		μA
Output Voltage Range	VOUT		0		VCC-1.2	V
Reference Voltage	VREF			1.24		V
Switching Frequency	fSW			1		MHz
Duty Cycle Range	D		0		100	%
Maximum Load Current	ILOAD				1	A
Power Efficiency	η			85		%

Instructions for Using LTC1967:

1. Power Supply Connection:

   • Connect the supply voltage (VCC) within the specified range of 2.7V to 5.5V.

2. Setting Output Voltage:

   • Adjust external resistors connected to the feedback pin to set the desired output voltage within the range from 0V to VCC-1.2V.

3. Frequency Configuration:

   • The switching frequency is typically set at 1 MHz but can be adjusted using an external resistor and capacitor if necessary.

4. Load Management:

   • Ensure the load current does not exceed the maximum rated load current of 1A.

5. Efficiency Considerations:

   • For optimal efficiency, operate within the typical efficiency range, which is around 85%.

6. Thermal Considerations:

   • Ensure adequate heat dissipation as per the datasheet recommendations to maintain device reliability.

7. Component Selection:

   • Choose external components such as inductors and capacitors based on the specific application requirements to ensure stable operation.

8. Layout Guidelines:

   • Follow recommended PCB layout guidelines to minimize noise and parasitic effects, enhancing overall performance.

Note: Detailed specifications and additional parameters can be found in the official datasheet provided by the manufacturer.

(For reference only)