Details

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BUY CHEC14C0A https://www.utsource.net/itm/p/12606590.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	-	-	500	mA	Maximum continuous output current
Quiescent Current	IQ	-	20	-	渭A	Quiescent current at no load
Dropout Voltage	VD	-	180	-	mV	Typical dropout voltage at 500mA
Load Regulation	-	-	1	-	%	Load regulation from 0 to 500mA
Line Regulation	-	-	0.1	-	%/V	Line regulation over full input range
Power Supply Rejection Ratio (PSRR)	-	-	60	-	dB @ 1kHz	PSRR at 1kHz frequency
Operating Temperature	TOPR	-40	-	85	掳C	Operating temperature range
Storage Temperature	TSTG	-65	-	150	掳C	Storage temperature range

Instructions for Use:

1. Input Connection: Connect the input voltage (VIN) within the specified range (2.7V to 5.5V) to the input pin.
2. Output Connection: Connect the load to the output pin (VOUT). Ensure the load current does not exceed 500mA.
3. Capacitors:
   • Input Capacitor: Place a 1渭F ceramic capacitor close to the input pin to stabilize the input voltage.
   • Output Capacitor: Place a 1渭F ceramic capacitor close to the output pin to stabilize the output voltage and improve transient response.
4. Thermal Management: The device is designed to operate within the specified temperature range. For high current applications, ensure adequate heat dissipation by using a heatsink or placing the device on a large copper area.
5. PCB Layout: Follow good PCB layout practices to minimize noise and ensure stable operation. Keep the ground plane solid and connect all ground pins directly to the ground plane.
6. Power-Up Sequence: The device does not require a specific power-up sequence. However, ensure that the input voltage is applied before any load is connected to the output.
7. Protection Features: The device includes internal protection features such as thermal shutdown and overcurrent protection. These features will automatically shut down the device if it exceeds safe operating conditions.

For more detailed information, refer to the datasheet provided by the manufacturer.

(For reference only)