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BUY TPS560430X3FDBVR https://www.utsource.net/itm/p/12612491.html

Below is the parameter table and instructions for the TPS560430X3FDBVR, which is a 3A, 2.9V to 17.5V Input, 0.8V to 5.5V Output, Synchronous Step-Down Converter.

TPS560430X3FDBVR Parameter Table

Parameter	Symbol	Min	Typ	Max	Unit	Conditions
Input Voltage	VIN	2.9	-	17.5	V
Output Voltage Range	VOUT	0.8	-	5.5	V	Adjustable via feedback resistor
Output Current	IOUT	-	3	-	A	Continuous
Switching Frequency	fSW	500	-	2200	kHz	Programmable
Efficiency (Typical)	η	-	95	-	%	At 3A, 5V input, 3.3V output
Quiescent Current	IQ	-	20	-	μA	No load, 5V input
Shutdown Current	ISD	-	0.1	-	μA	Shutdown mode
Thermal Shutdown Temperature	TSD	-	160	-	°C	Typical
Operating Temperature	TOPR	-40	-	125	°C	Junction temperature range
Storage Temperature	TSTG	-65	-	150	°C
Package		-	-	-	3x3 DSBGA	10-pin

Instructions for TPS560430X3FDBVR

1. Power Supply Connection:

   • Connect the input voltage (VIN) to the appropriate power supply.
   • Ensure the input voltage is within the specified range (2.9V to 17.5V).

2. Output Voltage Setting:

   • The output voltage (VOUT) can be adjusted using external resistors connected to the FB pin.
   • Use the formula: ( V_ = V_ left(1 + fracright) ), where ( V_ = 0.8V ).

3. Inductor Selection:

   • Choose an inductor based on the desired output current and switching frequency.
   • Ensure the inductor has a saturation current higher than the maximum output current.

4. Capacitor Selection:

   • Use a low ESR ceramic capacitor for the input (CIN) and output (COUT).
   • CIN should be at least 10μF, and COUT should be selected based on the load requirements and ripple specifications.

5. PCB Layout:

   • Place the input and output capacitors as close as possible to the IC.
   • Keep the ground plane solid and wide to minimize inductance and improve thermal performance.
   • Route the high-current paths (VIN, VOUT, GND) with wide traces to reduce resistance and inductance.

6. Thermal Management:

   • Ensure adequate heat dissipation by providing a good thermal path to the PCB.
   • Use a heatsink or thermal vias if necessary, especially for high-power applications.

7. Enabling and Disabling:

   • The EN pin can be used to enable or disable the converter.
   • Apply a logic high (≥1.2V) to enable the converter.
   • Apply a logic low (≤0.4V) to disable the converter.

8. Fault Protection:

   • The device includes overcurrent protection, thermal shutdown, and undervoltage lockout (UVLO).
   • UVLO activates when VIN falls below 2.3V.

9. Programming the Switching Frequency:

   • The switching frequency can be set using an external resistor connected to the RT pin.
   • Use the formula: ( f_ = frac{1.1 times 10^6} ), where ( R_T ) is in ohms.

10. Testing and Validation:

    • After assembly, test the output voltage and current under various load conditions.
    • Verify the efficiency and thermal performance to ensure the design meets the application requirements.

By following these instructions and parameters, you can effectively use the TPS560430X3FDBVR in your power supply design.

(For reference only)