Details

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BUY DP8573AN https://www.utsource.net/itm/p/327967.html
Real Time Clock RTC

Parameter	Symbol	Min	Typical	Max	Unit	Description
Input Voltage	VIN	4.5	-	16	V	Operating input voltage range
Output Voltage	VOUT	0.8	-	5.5	V	Adjustable output voltage range
Output Current	IOUT	-	3	3.5	A	Maximum continuous output current
Quiescent Current	IQ	-	20	30	μA	Quiescent current at no load
Dropout Voltage	VDO	-	200	300	mV	Dropout voltage at IOUT = 3A
Load Regulation	-	-	0.1	0.2	%	Change in VOUT with load
Line Regulation	-	-	0.05	0.1	%/V	Change in VOUT with VIN
Thermal Shutdown	TSD	-	160	-	°C	Temperature at which device shuts down
Operating Junction Temp.	TJ	-40	-	125	°C	Operating temperature range
Storage Temperature	TSTG	-65	-	150	°C	Storage temperature range

Instructions for Use:

1. Input Connection:

   • Connect the input voltage (V_IN) to the input pin of the DP8573AN.
   • Ensure the input voltage is within the specified range (4.5V to 16V).

2. Output Configuration:

   • Set the desired output voltage (V_OUT) using external resistors R1 and R2 according to the formula: [ V_{text} = V_{text} left(1 + fracright) ]
   • The reference voltage (V_REF) is typically 0.8V.

3. Output Capacitor:

   • Place a 10μF to 100μF ceramic capacitor (C_OUT) close to the output pin to ensure stability and reduce ripple.

4. Thermal Considerations:

   • Ensure adequate heat dissipation to keep the junction temperature below 125°C.
   • Use a heatsink if necessary, especially when operating at high output currents.

5. Protection:

   • The DP8573AN includes thermal shutdown and overcurrent protection. These features will automatically activate if the device exceeds safe operating conditions.

6. Layout Recommendations:

   • Keep the PCB layout compact and minimize trace lengths to reduce noise and improve performance.
   • Place bypass capacitors close to the power pins to filter out high-frequency noise.

7. Storage:

   • Store the device in a dry environment within the temperature range of -65°C to 150°C.

By following these instructions, you can ensure optimal performance and reliability of the DP8573AN in your application.

(For reference only)