Details

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BUY RT424012F https://www.utsource.net/itm/p/12607049.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	-	1.2	-	A	Maximum continuous output current
Quiescent Current	IQ	-	25	-	渭A	Typical quiescent current
Dropout Voltage	VDROPOUT	-	200	-	mV	Typical dropout voltage at full load
Efficiency	畏	-	90	-	%	Typical efficiency at 1A
Shutdown Current	ISD	-	1	-	渭A	Typical shutdown current
Thermal Shutdown	TSD	-	160	-	掳C	Thermal shutdown temperature
Operating Temperature	TOPR	-40	-	85	掳C	Operating ambient temperature range
Storage Temperature	TSTG	-65	-	150	掳C	Storage temperature range
Package	-	-	SOT-23	-	-	Package type

Instructions for Use

1. Input Connection:

   • Connect the input voltage (VIN) to the positive terminal of the power supply.
   • Ensure the input voltage is within the specified range (2.7V to 5.5V).

2. Output Connection:

   • Connect the output voltage (VOUT) to the load.
   • The output voltage is fixed at 3.3V.

3. Ground Connection:

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

4. Capacitors:

   • Place a 1渭F ceramic capacitor close to the input pin (VIN) to filter out noise and stabilize the input voltage.
   • Place a 1渭F ceramic capacitor close to the output pin (VOUT) to ensure stable regulation and reduce output ripple.

5. Thermal Considerations:

   • Ensure adequate heat dissipation if operating at high output currents or in high ambient temperatures.
   • The device has thermal shutdown protection, but it is recommended to avoid prolonged operation at high temperatures.

6. Shutdown Function:

   • To enable the shutdown function, connect the SHDN pin to GND. The device will enter a low-power state with a typical shutdown current of 1渭A.
   • To resume normal operation, disconnect the SHDN pin from GND or apply a logic high signal to the SHDN pin.

7. PCB Layout:

   • Keep the PCB traces short and wide to minimize parasitic inductance and resistance.
   • Ensure proper grounding and decoupling to maintain stability and performance.

8. Storage and Handling:

   • Store the device in a dry environment within the specified storage temperature range (-65掳C to 150掳C).
   • Handle the device with care to avoid damage to the pins and package.

By following these instructions, you can ensure optimal performance and reliability of the RT424012F.

(For reference only)