XCL205_1 Datasheet, PDF (18/26 Pages) Torex Semiconductor – Inductor Built-in Step-Down micro DC/DC Converters

XCL205/XCL206/XCL207 Series
■NOTE ON USE (Continued)
●Instructions of pattern layouts
1. In order to stabilize VIN voltage level, we recommend that a by-pass capacitor (CIN) be connected as close as possible to the
VIN (No.6) & VSS (No.5) pins.
2. Please mount each external component as close to the IC as possible.
3. Wire external components as close to the IC as possible and use thick, short connecting traces to reduce the circuit
impedance.
4. Make sure that the PCB GND traces are as thick as possible, as variations in ground potential caused by high ground currents
at the time of switching may result in instability of the IC.
5. This series’ internal driver transistors bring on heat because of the output current and ON resistance of driver transistors.
6. Please connect Lx (No.1) pin and L1 (No.7) pin by wiring on the PCB.
7. Please connect V_OUT (No.3) pin and L2 (No.8) pin by wiring on the PCB.
VOUT
CL
GND
LX
CE
IC
CIN
GND
VIN
FRONT
VOUT
GND
CE
LX
GND
VIN
BACK (Flip Horizontal)
VOUT
CL
GND
LX
CE
IC
CIN
GND
VIN
18/26
FRONT (PCB mounted)