As for all switching power supplies, especially those high frequency and high current ones, layout is an important design step. If layout is not carefully done, the regulator could suffer from instability as well as noise problems. Therefore, use wide and short traces for high current paths. The input capacitor C_IN must be close to VIN pin and GND pin in order to reduce the input ripple seen by the device. If possible choose higher capacitance value for it. The SW pin carries high current with fast rising and falling edge; therefore, the connection between the SW pin to the inductor must be kept as short and wide as possible. The output capacitor C_OUT must be put close to VOUT pin. It is also beneficial to have the ground of C_OUT close to the GND pin because there is large ground return current flowing between them. FB resistor must be put close to FB pin. When laying out signal ground, TI recommends using short traces separated from power ground traces, and connect them together at a single point close to the GND pin.