Details

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BUY LX8385-00CP https://www.utsource.net/itm/p/12604945.html

Parameter	Description	Value	Unit
Part Number	Device part number	LX8385-00CP
Package Type	Package type	CP
Operating Voltage	Supply voltage range	2.7 to 5.5	V
Operating Temperature	Junction temperature range	-40 to 125	掳C
Output Current	Continuous output current	1.5	A
Switching Frequency	Internal switching frequency	2.1	MHz
Quiescent Current	Quiescent current	60	渭A
Dropout Voltage	Dropout voltage at full load	300	mV
Load Regulation	Load regulation	卤1	%
Line Regulation	Line regulation	卤1	%
PSRR	Power supply rejection ratio at 1kHz	70	dB
Soft-Start Time	Time for soft-start function	1	ms

Instructions:

1. Power Supply Connection:

   • Connect the input power supply between VIN and GND pins ensuring the operating voltage is within the specified range.

2. Output Configuration:

   • Connect an external capacitor from VOUT to GND to stabilize the output voltage. Choose a capacitor with a low ESR for optimal performance.

3. Thermal Considerations:

   • Ensure adequate heat dissipation if operating near the maximum output current and temperature limits.

4. Layout Recommendations:

   • Keep the trace lengths between the input capacitor, inductor, and output capacitor as short as possible to minimize parasitic inductance.
   • Place the device on a PCB with a ground plane to enhance thermal performance and reduce noise.

5. Soft-Start Function:

   • The device incorporates an internal soft-start function to limit inrush current during startup. This process takes approximately 1ms.

6. Bypass Capacitors:

   • Use bypass capacitors close to the power supply pins to ensure stable operation and reduce noise.

7. Storage and Handling:

   • Store in a dry environment and handle with care to avoid damage to the sensitive components. Follow ESD precautions when handling.

(For reference only)