Details

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BUY TPS70102PWPRG4 https://www.utsource.net/itm/p/12536016.html

Parameter	Description	Min	Typ	Max	Unit
Input Voltage (VIN)	Operating input voltage range	1.5	-	3.6	V
Output Voltage (VOUT)	Adjustable output voltage range	0.8	-	3.3	V
Output Current (IOUT)	Continuous output current	-	200	-	mA
Dropout Voltage (VDO)	Dropout voltage at IOUT = 200mA	-	0.3	-	V
Quiescent Current (IQ)	Quiescent current	-	40	-	μA
Shutdown Current (ISD)	Shutdown current	-	0.1	-	μA
Load Regulation	Change in output voltage due to load changes	-	0.1	-	%
Line Regulation	Change in output voltage due to line changes	-	0.05	-	%
PSRR (Power Supply Rejection Ratio)	At 1kHz	-	70	-	dB
Operating Temperature Range (TA)	Ambient operating temperature range	-40	-	85	°C
Storage Temperature Range (TSTG)	Storage temperature range	-65	-	150	°C

Instructions for Using TPS70102PWPRG4

1. Input Voltage (VIN):

   • Ensure the input voltage is within the specified range of 1.5V to 3.6V.
   • Use appropriate filtering capacitors on the input to reduce noise and ripple.

2. Output Voltage (VOUT):

   • The output voltage can be adjusted using external resistors. Connect the feedback pin (FB) to the output through a resistor divider to set the desired output voltage.
   • Refer to the datasheet for the specific formula to calculate the resistor values.

3. Output Capacitor:

   • Use a ceramic capacitor with low ESR (Equivalent Series Resistance) for stable operation. A typical value is 1μF.
   • Place the capacitor as close as possible to the output pin to minimize parasitic inductance.

4. Shutdown Pin (SHDN):

   • To place the device in shutdown mode, pull the SHDN pin low. This reduces the quiescent current to the shutdown current level.
   • To enable the device, pull the SHDN pin high or leave it floating.

5. Thermal Considerations:

   • Ensure adequate heat dissipation if operating at high output currents or in high ambient temperatures.
   • Use a heatsink or thermal pad if necessary to maintain the junction temperature within safe limits.

6. PCB Layout:

   • Follow good PCB layout practices to minimize noise and improve performance.
   • Keep the ground plane solid and connect all ground pins directly to the ground plane.
   • Use wide traces for power and ground lines to reduce resistance and inductance.

7. Stability:

   • The TPS70102PWPRG4 is stable with ceramic output capacitors. No additional compensation components are required under normal operating conditions.
   • If using non-ceramic capacitors, refer to the datasheet for additional stability guidelines.

8. Handling Precautions:

   • The device is sensitive to electrostatic discharge (ESD). Use proper ESD protection when handling the component.
   • Avoid exposing the device to excessive temperatures, moisture, or mechanical stress.

9. Testing and Validation:

   • Before finalizing the design, perform thorough testing to ensure the regulator meets the required performance specifications.
   • Test the output voltage stability under different load and input conditions.

For more detailed information, refer to the datasheet provided by Texas Instruments.

(For reference only)