Details

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BUY A7847 https://www.utsource.net/itm/p/8647038.html

Parameter	Description	Value
Part Number	Component Identifier	A7847
Type	Device Type	Voltage Regulator
Output Voltage (Vout)	Fixed Output Voltage	5.0 V
Input Voltage Range (Vin)	Operating Input Voltage Range	7.0 V to 35.0 V
Output Current (Iout)	Maximum Continuous Output Current	1.5 A
Quiescent Current (Iq)	Supply Current at No Load	5.0 mA
Dropout Voltage (Vdo)	Minimum Input-Output Voltage Difference for Regulation	1.2 V (Typical)
Operating Temperature Range (Toper)	Temperature Range for Normal Operation	-40掳C to +125掳C
Storage Temperature Range (Tstg)	Temperature Range for Storage	-65掳C to +150掳C
Package	Encapsulation Type	TO-220, TO-252 (DPAK)
Thermal Resistance (胃ja)	Junction-to-Ambient Thermal Resistance	50掳C/W (TO-220), 60掳C/W (TO-252)

Instructions for Use:

1. Circuit Design:

   • Ensure the input voltage is within the specified range (7.0 V to 35.0 V).
   • Place a 10 渭F tantalum or ceramic capacitor close to the input pin to stabilize the regulator.
   • Place a 10 渭F tantalum or ceramic capacitor close to the output pin to ensure stable operation and reduce ripple.

2. Heat Dissipation:

   • For applications where the power dissipation exceeds 1 W, use a heatsink to maintain the junction temperature within safe limits.
   • Calculate the power dissipation using the formula: ( P = (V_ - V_) times I_ ).

3. Mounting:

   • Mount the device on a PCB with adequate clearance to prevent short circuits.
   • Use thermal vias or a heat spreader if necessary to improve thermal performance.

4. Storage:

   • Store the device in a dry, cool environment within the specified storage temperature range (-65掳C to +150掳C).

5. Handling:

   • Handle the device with care to avoid damage to the leads and the body.
   • Follow ESD (Electrostatic Discharge) precautions to prevent damage from static electricity.

6. Testing:

   • Before final assembly, test the device in a controlled environment to ensure it meets the specified parameters.
   • Use a multimeter to verify the output voltage and current capabilities.

7. Compliance:

   • Ensure that the device complies with all relevant safety and regulatory standards for your application.

By following these instructions, you can ensure optimal performance and reliability of the A7847 voltage regulator in your design.

(For reference only)