XC9221 Torex Semiconductor, XC9221 Datasheet - Page 12

• Manufacturer Part Number: XC9221
• Description: 16V Input Voltage, Step-Down DC/DC Controller ICs.
• Manufacturer: Torex Semiconductor

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■ NOTES ON USE (Continued)
XC9220/XC9221
● Instructions on Pattern Layout
1.
2.
[Board layout when XC9220/XC9221 series is mounted with external components]
Wire external components as close to the IC as possible and use thick, short connecting traces to reduce the
circuit impedance.
Please strengthen V
instability of the IC. The IC can maintain stable operations with R
to the V
[PC board for the XC9220/XC9221 series]
IN
pin.
IN
and V
SS
wiring in particular. Switching noise which occurs from the GND may cause the
Series
Ceramic Capacitor
Schottky Barrier Diode
Inductor
Resistor
Low value resistor
IN
(about 10Ω) and C
DD
(about 1μF) connected