Details

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BUY MC845P https://www.utsource.net/itm/p/12608886.html

Parameter	Symbol	Min	Typical	Max	Unit	Description
Supply Voltage	Vcc	2.7	-	5.5	V	Operating supply voltage
Quiescent Current	IQ	-	100	-	渭A	Current consumption in standby mode
Output Current	Iout	-	300	-	mA	Maximum output current
Dropout Voltage	Vdo	-	300	-	mV	Voltage difference between input and output at full load
Thermal Shutdown	TSD	-	160	-	掳C	Temperature at which the device shuts down
Operating Temp	Ta	-40	-	125	掳C	Ambient operating temperature range
Storage Temp	Tstg	-65	-	150	掳C	Temperature range for storage

Instructions for Using MC845P

1. Power Supply Connection:

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

2. Output Connection:

   • Connect the load or circuit to be powered to the Vout pin.
   • Ensure that the load does not exceed the maximum output current of 300 mA.

3. Capacitor Requirements:

   • Place a 1 渭F ceramic capacitor between Vin and GND as close as possible to the device.
   • Place a 1 渭F ceramic capacitor between Vout and GND to stabilize the output.

4. Thermal Considerations:

   • Ensure adequate heat dissipation if operating at high output currents or in high ambient temperatures.
   • The device will automatically shut down if the junction temperature exceeds 160掳C.

5. PCB Layout:

   • Use a ground plane to improve thermal performance and reduce noise.
   • Keep traces short and wide to minimize resistance and inductance.

6. Handling Precautions:

   • Handle the device with care to avoid damage from static electricity.
   • Store the device in a dry, cool environment within the specified storage temperature range.

7. Testing:

   • Before final assembly, test the device with a known load to ensure proper operation.
   • Verify that the output voltage is stable and within the expected range.

(For reference only)