Details

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BUY LM1117M3-3.3 https://www.utsource.net/itm/p/12608687.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	VIN		3.5		15	V
Output Voltage	VOUT	Fixed		3.3		V
Output Current	IOUT			800		mA
Dropout Voltage	VDROPOUT	IOUT = 500mA		1.2		V
Quiescent Current	IQ	VIN = 5V, VOUT = 3.3V		10		mA
PSRR (Power Supply Rejection Ratio)	PSRR	f = 120Hz		70		dB
Ground Pin Current	IGND			6		mA

Instructions for LM1117M3-3.3

1. Circuit Layout:

   • Ensure proper PCB layout with short leads and adequate ground plane to minimize noise.
   • Place input and output capacitors close to the regulator.

2. Input Capacitor:

   • Use a minimum of 0.33 渭F ceramic capacitor at the input.
   • For better transient response, a larger capacitor can be used.

3. Output Capacitor:

   • A minimum of 10 渭F tantalum or ceramic capacitor is recommended at the output.
   • Higher capacitance values can improve stability and reduce output ripple.

4. Heat Dissipation:

   • The device may require a heat sink if operating near maximum load current.
   • Ensure adequate ventilation or cooling to maintain junction temperature within safe limits.

5. Application Considerations:

   • Suitable for applications requiring a stable 3.3V output.
   • Ideal for powering microcontrollers, sensors, and other low-power devices.

6. Storage and Handling:

   • Store in a dry environment to prevent moisture damage.
   • Handle with care to avoid electrostatic discharge (ESD).

Note: Always refer to the official datasheet from the manufacturer for the most accurate and detailed specifications and instructions.

(For reference only)