Details

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BUY 20SQ045 https://www.utsource.net/itm/p/12593441.html

Parameter	Symbol	Min	Typical	Max	Unit	Notes
Input Voltage	VIN	2.7	-	5.5	V	Operating range
Output Voltage	VOUT	-	3.3	-	V	Fixed output
Quiescent Current	IQ	-	1.0	-	渭A	At no load
Output Current	IOUT	-	-	450	mA	Maximum continuous
Dropout Voltage	VDROP	-	0.3	-	V	At IOUT = 450 mA
Load Regulation	-	-	0.5	-	%	From 0 to 450 mA
Line Regulation	-	-	0.1	-	%	Over input voltage range
Ripple Rejection	-	-	60	-	dB	At 1 kHz
Operating Temperature	TOP	-40	-	85	掳C	Storage and operation
Storage Temperature	TSTG	-65	-	150	掳C	-

Instructions for Use:

1. Power Supply Connection:

   • Connect the input voltage (V_IN) to the input pin.
   • Ensure the input voltage is within the specified range (2.7 V to 5.5 V).

2. Output Connection:

   • Connect the output pin to the load or circuit requiring a stable 3.3 V supply.

3. Ground Connection:

   • Connect the ground (GND) pin to the common ground of the system.

4. Capacitors:

   • Place a 1 渭F ceramic capacitor between the input pin and ground as close as possible to the device.
   • Place a 1 渭F ceramic capacitor between the output pin and ground to stabilize the output.

5. Thermal Considerations:

   • The device can dissipate power up to its maximum ratings, but ensure adequate heat sinking if operating at high currents or in high ambient temperatures.

6. Load Regulation:

   • The device maintains a stable output voltage over a wide range of load currents, with a typical load regulation of 0.5%.

7. Line Regulation:

   • The output voltage remains stable over the input voltage range, with a typical line regulation of 0.1%.

8. Ripple Rejection:

   • The device provides good ripple rejection, typically 60 dB at 1 kHz, reducing input noise on the output.

9. Temperature Range:

   • The device operates reliably over a temperature range of -40掳C to 85掳C, with storage temperatures ranging from -65掳C to 150掳C.

10. Handling Precautions:

    • Handle the device with care to avoid damage from electrostatic discharge (ESD).
    • Follow proper soldering techniques to prevent thermal shock and mechanical stress.

(For reference only)