Details

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BUY 20DL2CZ https://www.utsource.net/itm/p/12612340.html

Parameter	Description	Value
Part Number	Device Identifier	20DL2CZ
Package	Enclosure Type	SOP-8
Operating Voltage	Supply Voltage Range	4.5V to 5.5V
Output Current	Continuous Output Current	1A
Peak Current	Peak Output Current	2A (10% duty cycle)
Switching Frequency	Internal Oscillator Frequency	500kHz
Efficiency	Typical Efficiency	90%
Dropout Voltage	Minimum Input Voltage - Output Voltage	0.3V at 1A
Operating Temperature	Ambient Temperature Range	-40掳C to 85掳C
Storage Temperature	Storage Temperature Range	-65掳C to 150掳C
Protection Features	Built-in Protections	Overcurrent, Thermal Shutdown

Instructions:

1. Power Supply Connection:

   • Connect the input voltage (4.5V to 5.5V) to the VIN pin.
   • Connect the ground (GND) to the GND pin.

2. Output Configuration:

   • Connect the load to the VOUT pin.
   • Ensure the output capacitor is connected between VOUT and GND for stable operation.

3. Capacitor Selection:

   • Use a ceramic capacitor with a minimum capacitance of 10渭F for the input.
   • Use a ceramic capacitor with a minimum capacitance of 10渭F for the output.

4. Thermal Management:

   • Ensure adequate heat dissipation if operating at high currents or in high ambient temperatures.
   • Consider using a heatsink if necessary.

5. Overcurrent Protection:

   • The device has built-in overcurrent protection that limits the output current to prevent damage.
   • If the overcurrent condition persists, the device will shut down to protect itself.

6. Thermal Shutdown:

   • The device will automatically shut down if the internal temperature exceeds the safe operating limit.
   • Allow the device to cool before resuming operation.

7. Layout Considerations:

   • Keep the traces from VIN to GND as short as possible to minimize inductance.
   • Place the input and output capacitors close to the device to reduce noise and improve stability.

8. Storage:

   • Store the device in a dry, cool place within the specified storage temperature range to ensure long-term reliability.

(For reference only)