Details

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BUY ETA9742E8A https://www.utsource.net/itm/p/12599473.html

Parameter	Symbol	Min	Typ	Max	Unit	Description
Input Voltage	VIN	3.0	-	5.5	V	Operating input voltage range
Output Voltage	VOUT	1.8	-	3.3	V	Adjustable output voltage
Quiescent Current	IQ	-	20	-	渭A	Quiescent current at no load
Efficiency	畏	-	95	-	%	Peak efficiency at typical operating conditions
Dropout Voltage	VDROPOUT	-	200	-	mV	Dropout voltage at full load
Load Regulation	-	-	0.5	-	%	Change in output voltage with load changes
Line Regulation	-	-	0.2	-	%	Change in output voltage with input voltage changes
Ripple Rejection	-	-	60	-	dB	Power supply rejection ratio (PSRR)
Thermal Shutdown	TSD	-	160	-	掳C	Temperature at which thermal shutdown occurs
Operating Temperature	TOPR	-40	-	85	掳C	Operating temperature range
Storage Temperature	TSTG	-40	-	125	掳C	Storage temperature range

Instructions for Use:

1. Input Voltage (VIN):

   • Ensure the input voltage is within the specified range of 3.0V to 5.5V to avoid damage or improper operation.

2. Output Voltage (VOUT):

   • The output voltage can be adjusted between 1.8V and 3.3V using external resistors. Refer to the datasheet for specific resistor values.

3. Quiescent Current (IQ):

   • The quiescent current is typically 20渭A, which is low and suitable for battery-powered applications.

4. Efficiency (畏):

   • The regulator achieves peak efficiency of 95% under typical operating conditions, making it suitable for power-sensitive designs.

5. Dropout Voltage (VDROPOUT):

   • The dropout voltage is 200mV at full load, allowing the regulator to maintain regulation even when the input voltage is close to the output voltage.

6. Load Regulation:

   • The load regulation is 0.5%, meaning the output voltage will change by 0.5% with changes in load current.

7. Line Regulation:

   • The line regulation is 0.2%, indicating that the output voltage will change by 0.2% with variations in input voltage.

8. Ripple Rejection:

   • The ripple rejection is 60dB, providing good filtering of input voltage ripple.

9. Thermal Shutdown (TSD):

   • The device will shut down if the temperature exceeds 160掳C to prevent damage.

10. Operating Temperature (TOPR):

    • The regulator operates within a temperature range of -40掳C to 85掳C.

11. Storage Temperature (TSTG):

    • The storage temperature range is -40掳C to 125掳C, ensuring the device remains stable during storage.

Additional Notes:

• Ensure proper PCB layout and heat dissipation to maintain optimal performance.
• Use appropriate capacitors on the input and output to stabilize the regulator and reduce noise.
• Consult the datasheet for detailed application circuits and design guidelines.

(For reference only)