Details

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BUY SB82437VX(SU116) https://www.utsource.net/itm/p/12610926.html

Parameter	Symbol	Min	Typ	Max	Unit	Description
Input Voltage	VIN	2.7	-	5.5	V	Operating input voltage range
Output Voltage	VOUT	-	3.3	-	V	Fixed output voltage
Output Current	IOUT	-	300	-	mA	Maximum continuous output current
Quiescent Current	IQ	-	1.5	-	渭A	Typical quiescent current at no load
Dropout Voltage	VDROPOUT	-	0.3	-	V	Typical dropout voltage at IOUT = 300 mA
Load Regulation	-	-	1	-	%	Load regulation from 0 to 300 mA
Line Regulation	-	-	0.2	-	%/V	Line regulation over the input voltage range
PSRR (Power Supply Rejection Ratio)	-	-	70	-	dB @ 1kHz	Power supply rejection ratio at 1 kHz
Operating Temperature	TOPR	-40	-	125	掳C	Operating junction temperature range
Storage Temperature	TSTG	-65	-	150	掳C	Storage temperature range

Instructions for Use:

1. Input Voltage:

   • Ensure the input voltage is within the specified range (2.7V to 5.5V). Exceeding this range can damage the device.

2. Output Voltage:

   • The output voltage is fixed at 3.3V. No external components are required to set this voltage.

3. Output Current:

   • The maximum continuous output current is 300 mA. Do not exceed this limit to avoid overheating or damage.

4. Quiescent Current:

   • The typical quiescent current is 1.5 渭A, which helps in maintaining low power consumption during no-load conditions.

5. Dropout Voltage:

   • The typical dropout voltage is 0.3V at a load current of 300 mA. This ensures efficient operation even when the input voltage is close to the output voltage.

6. Load Regulation:

   • The load regulation is typically 1%, meaning the output voltage will change by 1% when the load current changes from 0 to 300 mA.

7. Line Regulation:

   • The line regulation is 0.2% per volt, indicating that the output voltage will change by 0.2% for each volt change in the input voltage.

8. PSRR (Power Supply Rejection Ratio):

   • The PSRR is 70 dB at 1 kHz, which means the device effectively rejects noise from the input power supply.

9. Operating Temperature:

   • The operating junction temperature range is from -40掳C to 125掳C. Ensure the device operates within this range to avoid thermal stress.

10. Storage Temperature:

    • The storage temperature range is from -65掳C to 150掳C. Store the device in a dry environment to prevent moisture damage.

11. PCB Layout:

    • Use a good PCB layout with short traces and adequate copper areas for heat dissipation. Place the input and output capacitors as close as possible to the device.

12. Capacitors:

    • Use ceramic capacitors for both input and output. Typical values are 1 渭F for the input and 1 渭F for the output. These capacitors help stabilize the output and filter noise.

13. Thermal Management:

    • If the device is expected to operate at high currents or in high ambient temperatures, consider using a heatsink or increasing the copper area on the PCB to improve thermal performance.

14. Handling:

    • Handle the device with care to avoid static discharge, which can damage sensitive components. Use proper ESD protection measures during handling and assembly.

(For reference only)