Details

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BUY SMK1820 https://www.utsource.net/itm/p/12605923.html

Parameter	Symbol	Conditions	Min	Typical	Max	Unit
Supply Voltage	Vcc	Operating	1.8	-	5.5	V
Quiescent Current	Iq	Vcc = 5V, No Load	-	300	-	μA
Output Voltage	Vo	Vcc = 5V, No Load	3.3	-	3.3	V
Load Regulation	ΔVo/ΔI	Iout = 0mA to 100mA	-	0.1	-	%
Line Regulation	ΔVo/ΔV	Vcc = 4.5V to 5.5V	-	0.05	-	%
Dropout Voltage	Vdo	Iout = 100mA	-	0.5	-	V
Short Circuit Current	Isc	Vcc = 5V, Shorted Vo	-	200	-	mA
Operating Temperature	Topr	-	-40	-	85	°C
Storage Temperature	Tstg	-	-65	-	150	°C

Instructions for Use

1. Power Supply Connection:

   • Connect the positive terminal of the power supply to the Vcc pin.
   • Connect the negative terminal (GND) of the power supply to the GND pin.

2. Output Connection:

   • Connect the load or circuit requiring regulated voltage to the Vo pin.
   • Ensure the load current does not exceed the maximum specified output current.

3. Capacitor Requirements:

   • Place a 1μF ceramic capacitor between Vcc and GND as close to the device as possible to stabilize the input voltage.
   • Place a 1μF ceramic capacitor between Vo and GND to stabilize the output voltage.

4. Thermal Considerations:

   • Ensure adequate heat dissipation if operating at high currents or in high ambient temperatures.
   • The device can be mounted on a heatsink if necessary.

5. Short Circuit Protection:

   • The device has built-in short circuit protection, but it is recommended to use external fuses or current-limiting resistors for additional safety.

6. Operating Temperature:

   • The device is designed to operate within the temperature range of -40°C to 85°C. Ensure the ambient temperature does not exceed these limits.

7. Storage Temperature:

   • Store the device in a dry environment with temperatures ranging from -65°C to 150°C to prevent damage.

8. Handling Precautions:

   • Handle the device with care to avoid static discharge which can damage sensitive components.
   • Follow proper soldering techniques to ensure reliable connections and prevent thermal stress.

(For reference only)