Details

---

BUY UCC28880D https://www.utsource.net/itm/p/12611390.html

Parameter	Symbol	Min	Typ	Max	Unit	Description
Input Voltage	VIN	4.5	-	60	V	Operating input voltage range
Switching Frequency	fSW	-	65	200	kHz	Adjustable switching frequency
Quiescent Current	IQ	-	1.3	-	mA	Quiescent current at no load
Minimum On-Time	tON(min)	-	80	-	ns	Minimum on-time of the switch
Maximum Duty Cycle	DMAX	-	0.9	-		Maximum duty cycle limit
Output Voltage Accuracy	VOUT	-	卤1.5	-	%	Output voltage accuracy
Load Regulation	RL	-	卤1	-	%	Load regulation over output range
Line Regulation	RL	-	卤0.5	-	%	Line regulation over input range

Instructions for UCC28880D

1. Input Voltage Connection:

   • Connect the input voltage (VIN) to the designated pin ensuring it stays within the operational range of 4.5V to 60V.

2. Setting the Switching Frequency:

   • Adjust the external resistor connected to the RT/CT pin to set the desired switching frequency between 65kHz and 200kHz.

3. Minimizing Power Loss:

   • Ensure the minimum on-time is not exceeded by selecting appropriate inductor values for the application.

4. Maintaining Stability:

   • Use the compensation network as recommended in the datasheet to maintain stability across all operating conditions.

5. Output Voltage Configuration:

   • Configure the feedback network to achieve the desired output voltage accuracy, keeping within 卤1.5%.

6. Thermal Management:

   • Ensure adequate heat sinking or PCB layout to dissipate heat effectively, especially under high-load conditions.

7. Protection Features:

   • Utilize built-in protection features like overcurrent protection and thermal shutdown to safeguard the device from damage.

8. Layout Considerations:

   • Follow recommended PCB layout guidelines to minimize noise and ensure reliable operation.

Note: For detailed specifications and advanced configurations, refer to the official datasheet provided by Texas Instruments.

(For reference only)