Details

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BUY LT1085CM-3.3 https://www.utsource.net/itm/p/1408022.html
3A, 5A, 7.5A Low Dropout Positive Fixed Regulators

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Output Voltage	Vout	No Load to Full Load		3.3		V
Line Regulation		VIN = 4.5V to 15V		0.01		%
Load Regulation		IOUT = 0mA to 800mA		0.1		%
Dropout Voltage	VDO	IOUT = 500mA		0.9		V
Quiescent Current	IQ	IOUT = 500mA		7		mA
PSRR (Power Supply Rejection Ratio)		f = 120Hz, VIN = 5V to 15V		70		dB
Transient Response		0mA to 500mA load step				卤mV
Operating Temperature Range			-40		125	掳C

Instructions for Use:

1. Input Voltage (VIN): Ensure the input voltage is within the specified range of 4.5V to 15V to avoid damage or improper operation.
2. Output Capacitor: For stable operation, connect a minimum of 1渭F ceramic capacitor from the output to ground.
3. Input Capacitor: A 0.1渭F ceramic capacitor is recommended between the input and ground to minimize transient effects.
4. Heat Dissipation: If operating at high current levels, consider adding a heat sink to manage temperature.
5. Load Regulation: The device maintains tight regulation over a wide range of load currents up to 800mA.
6. Line Regulation: The output voltage remains stable even with variations in the input voltage.
7. Dropout Voltage: Keep in mind the dropout voltage when designing your circuit to ensure sufficient headroom between VIN and Vout.
8. Transient Response: This regulator provides good transient response to sudden changes in load current.
9. Operating Temperature: Ensure the operating environment temperature stays within the -40掳C to 125掳C range for reliable performance.

For detailed design considerations and specific application circuits, refer to the LT1085CM-3.3 datasheet provided by the manufacturer.

(For reference only)