Details

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BUY UC385TD-ADJ https://www.utsource.net/itm/p/781114.html
FAST TRANSIENT REPONSE 5-A LOW-DROPOUT REGULATOR

Parameter	Description	Value/Range	Unit
Input Voltage	Operating input voltage range	2.7 to 5.5	V
Output Voltage	Adjustable output voltage	0.8 to Vin	V
Output Current	Maximum continuous output current	3	A
Quiescent Current	Supply current required for operation	1.6	mA
Dropout Voltage	Voltage difference between input and output at full load	1.2	V
PSRR (Power Supply Rejection Ratio)	Ability to reject ripple from the supply voltage	70	dB
Operating Temperature	Range of temperatures over which the device can operate safely	-40 to +85	°C
Package Type	Type of package	TO-220, SOT-223	-

Instructions for UC385TD-ADJ

1. Input Connection:

   • Connect the input voltage to the "Vin" pin. Ensure that the input voltage is within the specified operating range of 2.7V to 5.5V.

2. Output Configuration:

   • To set the desired output voltage, use an external resistor divider connected to the "Adj" pin. The formula for calculating the output voltage is: ( V_ = V_ left(1 + fracright) ), where ( V_ ) is typically 0.8V.

3. Ground Connection:

   • Connect the ground pin to the common ground of your circuit.

4. Capacitor Placement:

   • Place a bypass capacitor close to the input pin to filter out noise and stabilize the input voltage.
   • Add an output capacitor to smooth the output voltage and improve transient response.

5. Thermal Considerations:

   • Ensure adequate heat sinking if the device will be operating at high currents or in high ambient temperatures to prevent overheating.

6. Testing:

   • After assembly, test the output voltage under various load conditions to ensure stability and accuracy.

7. Storage and Handling:

   • Store in a dry environment away from direct sunlight and extreme temperatures. Follow ESD precautions when handling the component.

(For reference only)