Details

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BUY RTD2672 https://www.utsource.net/itm/p/12610452.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	VIN	Operating Range	2.7	-	5.5	V
Output Current	IOUT	Continuous	-	3.0	3.5	A
Efficiency	η	VIN = 5V, VOUT = 3.3V	85	90	93	%
Switching Frequency	fSW	Typical	-	1.5	-	MHz
Quiescent Current	IQ	VIN = 5V	-	20	40	μA
Load Transient Response	ΔVOUT	Load Step: 0A to 3A	-	50	100	mV
Line Regulation	ΔVOUT	VIN: 2.7V to 5.5V	-	5	10	mV
Output Voltage Range	VOUT	Adjustable	0.8	-	5.0	V

Instructions for RTD2672

1. Power Supply Connection:

   • Connect the input voltage (VIN) between 2.7V and 5.5V to the input pin.
   • Ensure proper decoupling capacitors are placed close to the VIN and GND pins.

2. Output Configuration:

   • Set the desired output voltage using the feedback resistors for adjustable configurations.
   • For fixed output voltages, use the appropriate configuration as specified in the datasheet.

3. Thermal Considerations:

   • Ensure adequate heat dissipation if operating at high load currents.
   • Place the device on a PCB with sufficient copper area or heatsink if necessary.

4. Switching Frequency Adjustment:

   • The switching frequency can be adjusted by an external resistor connected to the FREQ pin.

5. Protection Features:

   • The device includes overcurrent protection, thermal shutdown, and undervoltage lockout (UVLO).

6. PCB Layout Recommendations:

   • Keep the input and output capacitors as close as possible to the device.
   • Use wide traces for power paths to minimize voltage drops and heating.

7. Testing and Troubleshooting:

   • Verify all connections before applying power.
   • Monitor output voltage stability under varying load conditions.
   • Check for correct operation of protection features during testing.

(For reference only)