Details

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BUY ACT74 https://www.utsource.net/itm/p/12607368.html

Parameter	Symbol	Min	Typ	Max	Unit	Description
Supply Voltage	VIN	2.5	-	5.5	V	Operating input voltage range
Output Voltage	VOUT	-	3.3	-	V	Fixed output voltage
Output Current	IOUT	-	150	200	mA	Maximum continuous output current
Quiescent Current	IQ	-	20	30	渭A	Quiescent current at no load
Dropout Voltage	VDROP	-	200	300	mV	Voltage difference between VIN and VOUT at max IOUT
Load Regulation	-	-	1	2	%	Change in VOUT with load
Line Regulation	-	-	0.1	0.5	%/V	Change in VOUT with VIN
PSRR (1 kHz)	-	-	60	70	dB	Power supply rejection ratio
Operating Temp.	TOP	-40	-	85	掳C	Operating temperature range
Storage Temp.	TSTG	-65	-	150	掳C	Storage temperature range

Instructions for Using ACT74

1. Power Supply Connection:

   • Connect the input voltage (V_IN) to the VIN pin.
   • Ensure the input voltage is within the specified range (2.5V to 5.5V).

2. Output Connection:

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

3. Ground Connection:

   • Connect the ground (GND) to both the VIN and VOUT pins to ensure proper operation.

4. Capacitors:

   • Place a 1渭F ceramic capacitor close to the VIN pin to filter out noise and stabilize the input voltage.
   • Place a 1渭F ceramic capacitor close to the VOUT pin to stabilize the output voltage and improve transient response.

5. Thermal Considerations:

   • Ensure adequate heat dissipation if operating at high output currents or in high ambient temperatures.
   • Use a heatsink if necessary to keep the device within the operating temperature range.

6. Load Regulation:

   • The output voltage may vary slightly with changes in load. The typical load regulation is 1%.

7. Line Regulation:

   • The output voltage may vary slightly with changes in input voltage. The typical line regulation is 0.1% per volt.

8. Power Supply Rejection Ratio (PSRR):

   • The device has a good ability to reject ripple from the input voltage, with a typical PSRR of 60 dB at 1 kHz.

9. Operating Temperature:

   • The device is designed to operate within the temperature range of -40掳C to 85掳C.

10. Storage Temperature:

    • Store the device in a dry environment within the temperature range of -65掳C to 150掳C.

11. Handling Precautions:

    • Handle the device with care to avoid static damage.
    • Follow standard ESD (Electrostatic Discharge) precautions when handling the device.

By following these instructions, you can ensure optimal performance and reliability of the ACT74 regulator.

(For reference only)