Details

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BUY DA4793 https://www.utsource.net/itm/p/12609413.html

Parameter	Symbol	Min	Typical	Max	Unit
Input Voltage	V_IN	2.7	-	5.5	V
Output Voltage	V_OUT	-	3.3	-	V
Output Current	I_OUT	-	1.5	3.0	A
Quiescent Current	I_Q	-	20	50	渭A
Dropout Voltage	V_DO	-	200	300	mV
Efficiency	畏	-	90	-	%
Operating Temperature	T_OP	-40	-	85	掳C
Storage Temperature	T_STG	-65	-	150	掳C

Instructions for Using DA4793

1. Power Supply Connection:

   • Connect the input voltage (V_IN) to the power supply within the range of 2.7V to 5.5V.
   • Ensure the input voltage is stable and within the specified range to avoid damage to the device.

2. Output Configuration:

   • The output voltage (V_OUT) is typically set to 3.3V. No external components are required for this fixed output voltage.
   • For adjustable output voltages, refer to the datasheet for specific resistor configurations.

3. Load Connection:

   • Connect the load to the output terminal (V_OUT). The maximum continuous output current is 3.0A, with a typical value of 1.5A.
   • Ensure the load does not exceed the maximum output current to prevent overheating or damage.

4. Thermal Management:

   • The operating temperature range is from -40掳C to 85掳C. For extended temperature ranges, ensure proper heat dissipation.
   • Use a heatsink if the device is expected to operate at high temperatures or under high load conditions.

5. Quiescent Current:

   • The quiescent current (I_Q) is typically 20渭A and can go up to 50渭A. This low quiescent current makes the DA4793 suitable for battery-powered applications.

6. Dropout Voltage:

   • The dropout voltage (V_DO) is typically 200mV and can go up to 300mV. This low dropout voltage allows the device to maintain regulation even when the input voltage is close to the output voltage.

7. Efficiency:

   • The efficiency (畏) is typically 90%. High efficiency reduces power loss and heat generation, making the device suitable for power-sensitive applications.

8. Storage:

   • Store the device in a dry, cool place within the storage temperature range of -65掳C to 150掳C.

9. Handling:

   • Handle the device with care to avoid static damage. Use appropriate ESD protection measures during handling and installation.

10. Testing:

    • Before final assembly, test the device to ensure it meets the specified parameters and operates correctly under expected conditions.

For more detailed information, refer to the full datasheet of the DA4793.

(For reference only)