Details

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BUY LD1117-3.3V https://www.utsource.net/itm/p/4631063.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	VI	Continuous	2.9		15	V
Output Voltage	VO	Fixed		3.3		V
Output Current	IO	Continuous		800		mA
Dropout Voltage	VD	IOUT = 150mA		1.2		V
Quiescent Current	IQ	VI = 5V		5		mA
Power Dissipation	PD	TJ = 25掳C			1.25	W
Operating Junction Temp	TJ		-40		125	掳C

Instructions for Using LD1117-3.3V:

1. Input and Output Capacitors:

   • It is recommended to place a 10渭F tantalum capacitor between the input pin and ground, and a 10渭F tantalum capacitor between the output pin and ground to ensure stability.

2. Heat Sinking:

   • The LD1117-3.3V can dissipate up to 1.25W at 25掳C junction temperature. For higher power dissipation or in environments with higher temperatures, use an appropriate heat sink.

3. Power Supply Connections:

   • Ensure that the input voltage does not exceed the maximum rating of 15V.
   • Connect the input and output capacitors as close as possible to the regulator to minimize noise and improve transient response.

4. Output Voltage Regulation:

   • The output voltage is fixed at 3.3V and does not require external resistors for setting the output voltage.

5. Handling Precautions:

   • This device is sensitive to electrostatic discharge (ESD). Handle with care and follow proper ESD precautions during installation.

6. Storage Conditions:

   • Store in a dry, cool place away from direct sunlight and sources of heat.

(For reference only)