Details

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BUY SP8660 https://www.utsource.net/itm/p/12593440.html

Parameter	Description	Value/Range
Input Voltage	Operating voltage range for the input supply	2.7V to 5.5V
Output Voltage	Configurable output voltage	Adjustable, typically 0.8V to 3.3V
Output Current	Maximum continuous output current	600mA
Quiescent Current	Current consumed by the device when active but not driving a load	40渭A (typical)
Shutdown Current	Current consumption in shutdown mode	<1渭A
Efficiency	Conversion efficiency at typical operating conditions	Up to 95%
Package Type	Physical package of the device	SOT-23
Operating Temp.	Ambient temperature range for operation	-40掳C to +85掳C
Protection	Built-in protection features	Over-current, thermal shutdown

Instructions for SP8660:

1. Power Supply Connection:

   • Connect the input voltage (VIN) pin to the power source within the specified range (2.7V to 5.5V).
   • Ensure that the input capacitor (CIN) is placed close to the VIN and GND pins to stabilize the input voltage.

2. Output Configuration:

   • Set the desired output voltage using an external resistor divider network connected to the FB (feedback) pin.
   • Connect the output capacitor (COUT) close to the VOUT and GND pins to stabilize the output voltage.

3. Enable/Shutdown Control:

   • The EN (enable) pin can be used to turn the device on or off. Apply a high signal (typically >1.2V) to enable the device, and a low signal (<0.4V) to put it into shutdown mode.

4. Thermal Considerations:

   • Ensure adequate heat dissipation if operating at maximum load conditions, especially in environments approaching the upper limit of the operating temperature range.

5. Protection Circuits:

   • The device includes internal over-current and thermal shutdown protections. These will activate automatically under fault conditions to prevent damage.

6. Layout Recommendations:

   • For optimal performance, follow good PCB layout practices, including short leads between components and proper grounding planes.

(For reference only)