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The DIO60010A is a high-efficiency synchronous step-down DC-DC regulator. The DIO60010A can achieve up to 1 A continuous output current from a 2.5 V to 5.5 V input voltage with excellent load and line regulation. The output voltage can be regulated to as low as 0.6 V. Constant-on-time(COT) control provides a fast transient response and eases loop stabilization. The DIO60010A runs in Forced PWM maintaining a continuous conduction mode to ensure the least ripple in the output voltage and a quasi-fixed switching frequency. The device features a Power-good signal. The DIO60010A is ideal for a wide range of applications, including portable navigation devices, set top boxes and media players.