Torex Semiconductor, Ltd. Voltage Regulators - DC DC Switching Regulators XC9237B27DER-G

The XC9237B27DER-G is a synchronous step-down DC/DC converter designed to provide a stable output voltage with high efficiency. It operates within an input voltage range of 2.0V to 6.0V and can deliver an output current of up to 600mA. The output voltage is fixed at 2.7V with an accuracy of ±2.0%. This device features a built-in 0.42Ω P-channel MOS driver and a 0.52Ω N-channel MOS switching transistor, allowing for the use of low ESR ceramic capacitors. The XC9237 series supports manual switching between PWM control and automatic PWM/PFM switching control modes, which enhances performance across varying load conditions. It includes a soft start function, current limiting, and an under-voltage lockout (UVLO) feature that turns off the driver when the input voltage drops below 1.4V. The device is packaged in a compact 6-UFDFN format, making it suitable for space-constrained applications. Typical applications include mobile devices, Bluetooth devices, portable game consoles, and digital cameras. The XC9237B27DER-G is also compliant with EU RoHS standards, ensuring it is environmentally friendly.