Torex Semiconductor, Ltd. Voltage Regulators - DC DC Switching Regulators XC9258B2HEMR-G

The XC9258B2HEMR-G is a synchronous step-down DC/DC converter designed for high efficiency and stable power supply applications. It features an output current capability of 1.0A and an output voltage range from 0.8V to 3.6V, adjustable in increments of 0.05V with an accuracy of ¬±2.0%. The device operates within an input voltage range of 2.5V to 5.5V and offers selectable oscillation frequencies of 1.2MHz or 6.0MHz to suit various applications. This regulator employs HiSAT-COT control for excellent transient response and includes automatic PWM/PFM switching control, which enhances efficiency across a wide load range. It incorporates several protection features, including thermal shutdown, current limit, and under-voltage lockout (UVLO), ensuring reliable operation. The XC9258B2HEMR-G also supports a soft-start function with a typical time of 0.3ms and has a low standby current consumption of 1.0OºA or less. The product is available in SOT-25 and USP-6C packages and is compliant with EU RoHS standards, making it suitable for environmentally conscious designs. Applications include smartphones, Bluetooth devices, portable game consoles, digital cameras, and wearable devices.