Details

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BUY MD1422N https://www.utsource.net/itm/p/12606851.html

Parameter	Symbol	Min	Typical	Max	Unit
Supply Voltage	Vcc	4.5	-	5.5	V
Output Current	Iout	-	200	300	mA
Quiescent Current	Iq	-	5	10	渭A
Shutdown Current	Isd	-	0.1	0.5	渭A
Dropout Voltage	Vdo	-	0.3	0.6	V
Operating Temperature	Topr	-40	-	85	掳C
Storage Temperature	Tstg	-55	-	150	掳C
Thermal Resistance	胃ja	-	75	-	掳C/W

Instructions for Use:

1. Power Supply:

   • Ensure the supply voltage (Vcc) is within the specified range of 4.5V to 5.5V.
   • Connect the supply voltage to the Vcc pin and ground to the GND pin.

2. Output Connection:

   • Connect the load to the output (OUT) pin.
   • The maximum output current (Iout) should not exceed 300mA to avoid damage to the device.

3. Quiescent Current:

   • The quiescent current (Iq) is typically 5渭A, which is very low, making the device suitable for battery-operated applications.

4. Shutdown Mode:

   • To put the device into shutdown mode, pull the SHDN pin to ground. The shutdown current (Isd) is typically 0.1渭A, further reducing power consumption.

5. Dropout Voltage:

   • The dropout voltage (Vdo) is typically 0.3V, allowing the device to regulate the output voltage even when the input voltage is close to the output voltage.

6. Temperature Considerations:

   • The operating temperature range (Topr) is from -40掳C to 85掳C.
   • The storage temperature range (Tstg) is from -55掳C to 150掳C.
   • Ensure the thermal resistance (胃ja) is managed to prevent overheating, especially under high current conditions.

7. Mounting and Handling:

   • Handle the device with care to avoid static discharge and physical damage.
   • Follow standard soldering practices to ensure reliable connections and avoid thermal stress during assembly.

(For reference only)