Details

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BUY HA11223W https://www.utsource.net/itm/p/12614246.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	VDD		2.7		5.5	V
Output Current	IOUT	Continuous		300		mA
Quiescent Current	IQ	No load, VDD = 5V		1.5		mA
Dropout Voltage	VDROPOUT	IOUT = 300mA		0.5		V
Load Regulation		IOUT = 0 to 300mA, VDD = 5V		0.5		%
Line Regulation		VDD = 2.7V to 5.5V, IOUT = 10mA		0.1		%
Power Supply Rejection Ratio	PSRR	f = 1kHz, VDD = 5V, IOUT = 10mA		60		dB
Operating Junction Temperature	TJ		-40		125	掳C

Instructions for HA11223W:

1. Power Supply Connection:

   • Connect the positive terminal of the power supply to the VDD pin.
   • Ensure the supply voltage is within the range of 2.7V to 5.5V.

2. Output Configuration:

   • Connect the output pin (VOUT) to the load.
   • The maximum continuous output current should not exceed 300mA.

3. Ground Connection:

   • Ensure a solid ground connection to the GND pin for stable operation.

4. Capacitor Requirements:

   • Place a 1渭F ceramic capacitor between VDD and GND close to the device for stability.
   • A 1渭F capacitor at the output (VOUT to GND) is recommended to improve transient response and stability.

5. Thermal Considerations:

   • Monitor the junction temperature to ensure it stays within the operating range (-40掳C to 125掳C).
   • Provide adequate heat sinking if the device is expected to operate near its thermal limits.

6. Load Regulation:

   • The device maintains output regulation within 0.5% as the load current changes from 0 to 300mA.

7. Line Regulation:

   • The line regulation ensures that the output voltage changes by only 0.1% over the input voltage range of 2.7V to 5.5V.

8. Power Supply Rejection Ratio (PSRR):

   • At 1kHz, the device provides a PSRR of 60dB, effectively rejecting ripple and noise from the power supply.

9. Dropout Voltage:

   • The dropout voltage is typically 0.5V at an output current of 300mA, ensuring efficient operation even at lower input voltages.

(For reference only)