Details

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BUY TPS62150RGTR https://www.utsource.net/itm/p/6336237.html
3-17V 1A Step-Down Converter in 3x3 QFN Package

Parameter	Symbol	Min	Typ	Max	Unit	Conditions/Comments
Input Voltage	VIN	2.9	-	5.5	V	Over the full temperature range
Output Voltage	VOUT	-	1.0	-	V	Fixed output voltage, accuracy ±1%
Quiescent Current	IQ	-	60	-	μA	At VIN = 3.6V, VOUT = 1.8V, IOUT = 500mA
Shutdown Current	ISD	-	0.1	-	μA	VIN = 3.6V, EN = Low
Efficiency	η	-	90	-	%	At VIN = 3.6V, VOUT = 1.8V, IOUT = 500mA
Switching Frequency	fSW	-	2.2	-	MHz	Internal oscillator frequency
Load Transient Response	ΔVOUT	-	-	50	mV	Step load from 100mA to 500mA
Line Transient Response	ΔVOUT	-	-	50	mV	VIN step from 2.9V to 5.5V

Instructions for TPS62150RGTR:

1. Power Supply Connection:

   • Connect the input voltage (VIN) pin to a power source within the specified range of 2.9V to 5.5V.
   • Ensure that the input supply is stable and has adequate decoupling capacitors.

2. Output Configuration:

   • The output voltage (VOUT) is fixed at 1.0V with an accuracy of ±1%. No external components are required to set this voltage.

3. Enable Pin (EN):

   • To enable the device, connect the EN pin to VIN or a logic high signal.
   • To disable the device and enter shutdown mode, pull the EN pin low.

4. Capacitor Selection:

   • Choose input and output capacitors based on the application requirements for stability and transient response.
   • Recommended values are typically provided in the datasheet for optimal performance.

5. Thermal Considerations:

   • Ensure proper heat dissipation by following the recommended PCB layout guidelines.
   • Use thermal vias under the IC if necessary to improve heat transfer.

6. Layout Recommendations:

   • Place the input capacitor as close as possible to the VIN and GND pins.
   • Keep the trace lengths short between the IC and external components to minimize parasitic inductance.

7. Application Notes:

   • Refer to the detailed application notes in the datasheet for more specific guidance on design considerations, such as noise reduction and efficiency optimization.

For precise details and additional parameters, always refer to the official datasheet provided by Texas Instruments.

(For reference only)