Details

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BUY APW7331 https://www.utsource.net/itm/p/9824180.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	VIN		2.7		5.5	V
Output Voltage	VOUT	Adjustable		1.23	3.3	V
Output Current	IOUT	Continuous		1.0		A
Quiescent Current	IQ	VIN = 5V		40		μA
Dropout Voltage	VD	IOUT = 300mA		300		mV
PSRR		@ 1kHz		60		dB
Load Regulation		1mA to 300mA		0.1		%
Line Regulation		2.7V to 5.5V		0.05		%

Instructions for Use:

1. Input Voltage (VIN):

   • Ensure the input voltage is within the range of 2.7V to 5.5V.
   • Avoid exceeding these limits to prevent damage to the device.

2. Output Voltage (VOUT):

   • The output voltage can be adjusted between 1.23V and 3.3V using external resistors.
   • Use the formula provided in the datasheet to calculate resistor values for desired output voltage.

3. Output Current (IOUT):

   • The device supports a continuous output current up to 1.0A.
   • For higher currents, consider heat dissipation or use additional cooling methods.

4. Quiescent Current (IQ):

   • At an input voltage of 5V, the quiescent current is typically around 40μA.
   • This parameter affects battery life in portable applications.

5. Dropout Voltage (VD):

   • The dropout voltage is typically 300mV at an output current of 300mA.
   • Keep this in mind when designing circuits with low headroom.

6. Power Supply Rejection Ratio (PSRR):

   • The PSRR is 60dB at 1kHz, indicating good suppression of ripple from the input supply.

7. Regulation:

   • Both load and line regulation are very tight, ensuring stable output voltage under varying conditions.

8. Installation and Handling:

   • Follow standard ESD precautions during handling.
   • Ensure proper PCB layout practices to minimize noise and parasitic effects.

For detailed specifications and further instructions, refer to the official datasheet provided by the manufacturer.

(For reference only)