TEA0665: Top Choice in United States (USA) Utsource Holding Company Limited

Description

Parameter	Symbol	Min	Typ	Max	Unit	Description
Supply Voltage	VCC	4.5	5	5.5	V	Operating supply voltage
Standby Current	ISB	-	1	2	μA	Current consumption in standby mode
Operating Current	IOP	50	70	90	mA	Current consumption during operation
Output Power	POUT	1	1.5	2	W	Maximum output power
Frequency Range	FREQ	30	40	50	kHz	Operating frequency range
Efficiency	η	70	80	85	%	Efficiency at nominal load
Temperature Range	TAMB	-40	25	85	°C	Ambient temperature operating range

Power Supply Connection:
- Connect the VCC pin to a stable power supply between 4.5V and 5.5V.
- Ensure proper decoupling capacitors are placed close to the VCC pin to stabilize the supply voltage.
Standby Mode:
- To enter standby mode, set the enable pin to a low logic level.
- In standby mode, the device consumes minimal current (typically around 1μA).
Operating Mode:
- Set the enable pin to a high logic level to activate the device.
- During operation, monitor the current consumption to ensure it stays within the typical range of 70mA.
Output Configuration:
- Configure the output stage according to the application requirements.
- The device can deliver up to 1.5W of output power under typical conditions.
Frequency Adjustment:
- Adjust the external components connected to the frequency control pins to set the desired operating frequency within the 30kHz to 50kHz range.
Thermal Management:
- Ensure the ambient temperature is kept within the specified range (-40°C to 85°C).
- For applications requiring higher power output, consider adding a heatsink to improve thermal performance.
Efficiency Optimization:
- Operate the device at its nominal load to achieve the highest efficiency (around 80%).
Safety Precautions:
- Always follow the manufacturer’s guidelines for handling and connecting the device to avoid damage.
- Use appropriate protection circuits to safeguard against overvoltage and short-circuit conditions.

(For reference only)