XCL206 Evaluation Board
Inductor Built-in Step-Down DC/DC Converters
Chapter 2: QUICK START GUIDE
5
Chapter 3: SCHEMATIC, BOM AND PCB LAYOUT
3.1. Schematic
Below is the schematic of the XCL evaluation board.
2.1. CE pin (XCL206 series)
To enable the IC, connect the Chip Enable (CE) pin to VIN or to any
other source voltage between 0.65V and 6V.
To disable the IC, connect the CE pin to GND or to any other voltage
lower than 0.25V.
The XCL206 always operates in PWM/PFM mode. At low to medium
output currents, the XCL206 will use the more efficient PFM (Pulse
Frequency Modulation) mode. In PFM mode, the device switches less
often, which means that the XCL206 will have a very high efficiency over
the whole load range.
Because of some clever implementation, in PFM mode, the XCL206
combines a high efficiency with a very low output voltage ripple (usually
below 15mVpp over the whole range of input voltage values).
CE
* “L1 and Lx”, and “L2 and V
OUT
” are connected by wiring.