Details

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BUY TC35071F https://www.utsource.net/itm/p/812325.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	VIN	Operating Range	2.7	-	5.5	V
Output Voltage	VOUT	Adjustable	-	-	-	V
Output Current	IOUT	Continuous	-	1.5	3.0	A
Quiescent Current	IQ	VIN = 5V, No Load	-	60	-	μA
Dropout Voltage	VDROPOUT	IOUT = 300mA	-	200	400	mV
PSRR		@ 1kHz	-	70	-	dB

Instructions for TC35071F:

1. Power Supply Connection:

   • Connect the input voltage (VIN) to the power supply within the specified operating range (2.7V to 5.5V).
   • Ensure proper bypass capacitors are placed close to the input and output pins for stability.

2. Output Configuration:

   • The output voltage (VOUT) is adjustable. Use external resistors to set the desired output voltage according to the datasheet formula.
   • For fixed output versions, refer to the specific model's preset voltage.

3. Thermal Considerations:

   • The device can deliver up to 3A of output current depending on thermal conditions. Ensure adequate heat sinking if operating near maximum current.

4. Stability and Filtering:

   • Use appropriate output capacitors to maintain stability and filter out noise. Recommended values typically range from 10μF to 47μF for ceramic capacitors.

5. Quiescent Current:

   • The quiescent current is relatively low at around 60μA under no-load conditions, which helps in reducing power consumption.

6. Dropout Voltage:

   • Keep in mind the dropout voltage when designing your circuit, especially for low-voltage applications. It can be as high as 400mV at full load.

7. Power Supply Rejection Ratio (PSRR):

   • The device offers a good PSRR of 70dB at 1kHz, which aids in rejecting ripple and noise from the input supply.

8. Protection Features:

   • The regulator includes overcurrent and thermal shutdown protection to safeguard against faults and overheating.

For detailed design considerations and specific application circuits, refer to the manufacturer’s datasheet or technical documentation.

(For reference only)