UPC624D: Top Choice in United States (USA) Utsource Holding Company Limited

Description

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	VIN	Operating	4.5		40	V
Output Voltage	VOUT	Adjustable		1.24	37	V
Quiescent Current	IQ	VIN = 5V		50		μA
Dropout Voltage	VD	IOUT = 500mA		1.2		V
Output Current	IOUT	Continuous		1.5	3	A
Power Dissipation	PD	TJ = 25°C			1.1	W
Junction Temperature	TJ	Maximum			125	°C

Power Supply Connection:
- Connect the input voltage (VIN) between 4.5V and 40V to the input pin.
- Ensure proper bypass capacitors are placed close to the input and output pins to stabilize the regulator.
Output Voltage Setting:
- The output voltage can be adjusted using external resistors connected to the feedback pin.
- Use the formula ( V_ = V_ times (1 + frac) ), where ( V_ = 1.24V ).
Thermal Consideration:
- Keep the junction temperature below 125°C by ensuring adequate heat sinking or airflow, especially under high load conditions.
Load Regulation:
- For optimal performance, ensure that the load current does not exceed the maximum continuous output current of 3A.
Capacitor Selection:
- Choose input and output capacitors with low ESR to minimize noise and improve transient response.
PCB Layout:
- Place components close to the regulator to reduce trace inductance and improve stability.
- Use wide traces for power connections to minimize voltage drops.
Overcurrent Protection:
- The device has built-in overcurrent protection, but design the circuit to avoid prolonged operation at currents near the limit to prevent overheating.

(For reference only)