Details

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BUY AZ2185D-ADJTRG1 https://www.utsource.net/itm/p/7491115.html
Linear Voltage Regulator IC 1 Output 4.95A TO-252

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	VIN	Operating	2.7	-	5.5	V
Output Voltage Range	VOUT	Adjustable	0.4	-	3.3	V
Output Current	IOUT	Continuous	-	1.5	3	A
Quiescent Current	IQ	VIN = 5V, No Load	-	10	-	μA
Dropout Voltage	VDROPOUT	IOUT = 3A, VIN = 5V	-	300	-	mV
Power Supply Rejection Ratio	PSRR	f = 1kHz	-	60	-	dB
Enable Input Voltage	VEN	High-Level Active	1.2	-	-	V

Instructions for AZ2185D-ADJTRG1:

1. Power Supply Connection:

   • Connect the input voltage (VIN) to the power supply within the specified range of 2.7V to 5.5V.
   • Ensure a stable and clean power source to avoid voltage spikes.

2. Output Configuration:

   • Adjust the output voltage (VOUT) using external resistors connected to the ADJ pin.
   • The output voltage can be set between 0.4V and 3.3V.

3. Enable Pin:

   • Apply a voltage greater than 1.2V to the EN pin to activate the device.
   • For shutdown, pull the EN pin below 0.4V.

4. Thermal Considerations:

   • Ensure adequate heat dissipation if operating at high output currents or in environments with elevated temperatures.
   • Use a heatsink if necessary to maintain safe operating temperatures.

5. Capacitor Selection:

   • Place input and output capacitors close to the device to ensure stability and reduce noise.
   • Recommended values are typically 1μF ceramic capacitors for both input and output.

6. PCB Layout:

   • Follow good PCB layout practices to minimize parasitic effects.
   • Keep traces short and wide, especially for ground connections.

7. Protection Circuits:

   • Implement appropriate protection circuits such as overcurrent and overvoltage protection to safeguard the device and connected components.

8. Testing:

   • Before final assembly, test the device under various conditions to ensure it meets performance specifications.
   • Verify the quiescent current, dropout voltage, and output regulation.

(For reference only)