STEVAL-SMACH15V1

STEVAL-SMACH15V1 is an USB adapter evaluation board that is based on the STCH03 offline PWM controller for low standby adapters. The controller can provide constant output current (CC) regulation using primary sensing feedback. The device combines a high-performance low-voltage PWM controller chip and a 650V HV start-up cell in the same package. It also features extremely low quiescent current and burst-mode management. These features help minimize residual input consumption to less than 15mW under no-load conditions. The device offers output overvoltage protection (OVP) and over-temperature protection (OTP). It also offers Hiccup-mode protection for when the transformer saturates or the secondary diode fails short, and an output UVP protection that limits average output current when an output short circuit occurs. The small form factor and the output USB connector renders the design suitable for small USB chargers and adapters for mobile phones, tablets and other handheld equipment.

• Universal AC main input voltage range 90V AC to 264V AC
• Output range: 5V-3A continuous operation
• Constant voltage and constant current operation
• Output overvoltage and short-circuit protection
• Input power in standby is less than 15mW at 230V AC
• Intelligent power management
• Compliant with stringent energy regulations
• EMI: EN55022-Class-B

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