Details

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BUY TPS54386PWP https://www.utsource.net/itm/p/12609128.html

Parameter	Symbol	Min	Typical	Max	Unit	Description
Input Voltage	VIN	2.9		5.5	V	Operating input voltage range
Output Voltage	VOUT		0.8		V	Adjustable output voltage
Switching Frequency	fSW		700		kHz	Nominal switching frequency
Quiescent Current	IQ		130		渭A	Quiescent current at no load
Efficiency (Typical)	畏		94%		%	Efficiency at 3.3V in, 1.8V out, 1A load
Load Current	ILOAD			3	A	Maximum continuous output current
Shutdown Current	ISD		0.1		渭A	Shutdown mode supply current
Thermal Shutdown	TSD		160		掳C	Thermal shutdown temperature
Protection Features			Overcurrent, Overtemperature, Undervoltage Lockout		Built-in protection features
Package Type			3mm x 3mm QFN-16		16-pin QFN package
Operating Temperature	TOPR	-40		125	掳C	Operating junction temperature range
Storage Temperature	TSTG	-65		150	掳C	Storage temperature range

Instructions for Using TPS54386PWP

1. Input Voltage (VIN):

   • Ensure the input voltage is within the specified range of 2.9V to 5.5V.
   • Use appropriate input capacitors to stabilize the input voltage and reduce noise.

2. Output Voltage (VOUT):

   • Set the output voltage using external feedback resistors. The typical output voltage is 0.8V.
   • Connect the feedback pin (FB) to the voltage divider formed by the resistors.

3. Switching Frequency (fSW):

   • The nominal switching frequency is 700kHz. This can be adjusted using an external resistor if needed.

4. Quiescent Current (IQ):

   • The quiescent current is typically 130渭A. Ensure that this current is accounted for in power budget calculations.

5. Load Current (ILOAD):

   • The maximum continuous output current is 3A. Design the PCB layout to handle this current efficiently.

6. Shutdown Mode:

   • To enter shutdown mode, pull the EN pin low. The shutdown current is typically 0.1渭A.
   • Use a pull-down resistor or a control signal to manage the EN pin.

7. Thermal Management:

   • Monitor the operating temperature to ensure it stays below 160掳C.
   • Use a heatsink or thermal vias to improve heat dissipation if necessary.

8. Protection Features:

   • The device includes overcurrent, overtemperature, and undervoltage lockout protection.
   • Ensure these features are not triggered under normal operating conditions.

9. Package and Layout:

   • Use the 3mm x 3mm QFN-16 package with proper PCB layout guidelines.
   • Place bypass capacitors close to the power pins to minimize parasitic inductance.

10. Storage:

    • Store the device in a dry environment between -65掳C and 150掳C to prevent damage.

By following these parameters and instructions, you can effectively use the TPS54386PWP in your design.

(For reference only)