XCL206B303-EVB

• Product Introduction

XCL206B303-EVB   DC/DC converter Inductor integrated type

 The XCL205/XCL206/XCL207 series is an ultra-compact (2.5mm×2.0mm, H=1.0mm) step-down DC/DC converter that integrates a coil and a control IC. Only two external ceramic capacitors are needed to form a power supply with a maximum load current of 600mA. The working voltage is between 2.0V~6.0V. The output voltage can be set at 0.05V intervals in the range of 0.8~4.0V. The control IC operates at a switching frequency of 3MHz, with a built-in synchronous rectification mode of 0.42ΩPch drive transistor and 0.52ΩNch switching transistor. Select the operating mode from three control modes: PWM control (XCL205), PWM/PFM automatic switching control (XCL206), and manual switching control mode (XCL207). It can achieve high-speed response, low ripple, and high efficiency over the entire load range from light to high loads. Stop the entire circuit during standby to suppress the current consumption below 1.0A. In addition, it has a built-in UVLO (Under Voltage Lock Out) function that forcibly stops the operation of the internal drive transistor when the input voltage is below 1.4V. The XCL205B/XCL206B/XCL207B series features a high-speed soft-start capability with a start-up time of 0.25ms (TYP). The XCL205B(C)/XCL206B(C)/XCL207B(C) series uses the discharge function of the CL to connect the internal switch between the LX-VSS during standby, and discharge the charge of the load capacitor CL through the internal impedance. With this discharge function, the output voltage can return to the VSS level at high speed.

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