Details

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BUY PSD834F2-90J https://www.utsource.net/itm/p/831240.html
Flash In-System Programmable ISP Peripherals For 8-bit MCUs

Parameter	Symbol	Min	Typ	Max	Unit
Input Voltage	V_IN	4.5	-	14	V
Output Voltage	V_OUT	-	5	-	V
Output Current	I_OUT	-	2	-	A
Quiescent Current	I_Q	-	0.1	-	mA
Efficiency	η	-	85	-	%
Dropout Voltage	V_DROPOUT	-	0.2	-	V
Operating Temperature	T_OP	-40	-	85	°C
Storage Temperature	T_STG	-65	-	150	°C
Thermal Resistance (θJA)	θJA	-	50	-	°C/W

Instructions for Use:

1. Input Connection:

   • Connect the input voltage to the VIN pin.
   • Ensure the input voltage is within the specified range (4.5V to 14V).

2. Output Connection:

   • Connect the load to the VOUT pin.
   • The output voltage is regulated to 5V.

3. Ground Connection:

   • Connect the ground (GND) pin to the common ground of the system.

4. Thermal Management:

   • Ensure adequate heat dissipation if operating at high output currents or in high ambient temperatures.
   • The thermal resistance (θJA) is 50°C/W, so consider using a heatsink if necessary.

5. Capacitors:

   • Use appropriate input and output capacitors to stabilize the power supply.
   • Recommended input capacitor: 10μF ceramic or tantalum.
   • Recommended output capacitor: 10μF ceramic or tantalum.

6. Operating Temperature:

   • The device is designed to operate within -40°C to 85°C.
   • Store the device between -65°C and 150°C.

7. Efficiency:

   • The typical efficiency is 85%. Ensure the power supply design accounts for the power loss.

8. Quiescent Current:

   • The quiescent current is typically 0.1mA, which is low and suitable for battery-powered applications.

9. Dropout Voltage:

   • The dropout voltage is typically 0.2V, allowing the device to operate efficiently even when the input voltage is close to the output voltage.

10. Handling:

    • Handle the device with care to avoid damage from electrostatic discharge (ESD).
    • Follow proper soldering techniques to ensure reliable connections.

11. Testing:

    • Before finalizing the design, test the device under various operating conditions to ensure it meets the required performance specifications.

(For reference only)