Details

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BUY ACTC31A04 https://www.utsource.net/itm/p/12612071.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	1.2	A	Continuous output current
Quiescent Current	IQ	-	20	40	渭A	Quiescent current at no load
Dropout Voltage	VDROPOUT	-	300	500	mV	Dropout voltage at IOUT = 1A
Efficiency	畏	-	90	-	%	Typical efficiency at IOUT = 1A, VIN = 5V
Operating Temp.	Toper	-40	-	85	掳C	Operating temperature range
Storage Temp.	Tstg	-65	-	150	掳C	Storage temperature range

Instructions:

1. Input Voltage (VIN):

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

2. Output Voltage (VOUT):

   • The device provides a fixed output voltage of 3.3V. No external components are required for voltage adjustment.

3. Output Current (IOUT):

   • The device can provide a continuous output current of up to 1.2A, with a typical current of 1A.

4. Quiescent Current (IQ):

   • The quiescent current is typically 20渭A and can go up to 40渭A when there is no load on the output.

5. Dropout Voltage (VDROPOUT):

   • The dropout voltage is the difference between the input and output voltages when the device is operating near its maximum output current. It is typically 300mV and can go up to 500mV at 1A output current.

6. Efficiency (畏):

   • The efficiency of the device is typically 90% when operating at 1A output current and 5V input voltage.

7. Operating Temperature (Toper):

   • The device can operate in temperatures ranging from -40掳C to 85掳C.

8. Storage Temperature (Tstg):

   • The device can be stored in temperatures ranging from -65掳C to 150掳C.

9. Mounting:

   • Ensure proper mounting and soldering techniques to avoid thermal issues and ensure reliable operation.

10. Capacitors:

    • Use recommended input and output capacitors to stabilize the circuit and filter out noise. Typically, a 10渭F ceramic capacitor is used for both input and output.

11. PCB Layout:

    • Follow good PCB layout practices to minimize noise and ensure stable operation. Keep the input and output traces short and wide, and place the capacitors as close to the device as possible.

12. Thermal Management:

    • If operating at high output currents or in high ambient temperatures, consider adding a heatsink to the device to manage heat dissipation.

(For reference only)