AZ2185D-ADJTRG1: Top Choice in United States (USA) Utsource Holding Company Limited

Description

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

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.
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.
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.
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.
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.
PCB Layout:
- Follow good PCB layout practices to minimize parasitic effects.
- Keep traces short and wide, especially for ground connections.
Protection Circuits:
- Implement appropriate protection circuits such as overcurrent and overvoltage protection to safeguard the device and connected components.
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)