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- Converter, Satellite Set-Top Box Designs Voltage Regulator IC 1 Output 20-WQFN (3x3)

Parameter	Symbol	Min	Typ	Max	Unit	Description
Input Voltage	VIN	2.9	-	5.5	V	Operating input voltage range
Output Voltage 1	VOUT1	0.6	-	3.3	V	Programmable output voltage for LDO1
Output Voltage 2	VOUT2	0.6	-	3.3	V	Programmable output voltage for LDO2
Quiescent Current	IQ	-	8	-	μA	Typical quiescent current
Dropout Voltage	VDROPOUT	-	300	-	mV	Typical dropout voltage at full load
Load Regulation	-	-	0.2	-	%	Load regulation error at full load
Line Regulation	-	-	0.05	-	%	Line regulation error over input voltage range
PSRR (at 1kHz)	-	-	70	-	dB	Power supply rejection ratio
Operating Temperature	Toper	-40	-	85	°C	Operating temperature range
Storage Temperature	Tstg	-65	-	150	°C	Storage temperature range

Instructions for Use:

1. Input Voltage Configuration:

   • Ensure the input voltage is within the specified range of 2.9V to 5.5V to avoid damage to the device.

2. Output Voltage Setting:

   • Adjust VOUT1 and VOUT2 using external resistors or by configuring the internal registers if applicable, ensuring they are within the 0.6V to 3.3V range.

3. Power-Up Sequence:

   • Apply the input voltage slowly to ensure stable operation and prevent inrush currents that could cause transient issues.

4. Thermal Considerations:

   • Place the device in an area with adequate airflow and consider adding a heat sink if operating near the maximum temperature limit.

5. Capacitor Selection:

   • Choose input and output capacitors based on the manufacturer’s recommendations to ensure stability and performance.

6. PCB Layout:

   • Follow good PCB layout practices, including short trace lengths from input to output and proper grounding to minimize noise and interference.

7. Testing:

   • After assembly, test the device under various load conditions to ensure it meets the required specifications and performance criteria.

For detailed application circuits and further information, refer to the datasheet provided by Texas Instruments.

(For reference only)