400ma coil integrated antihypertensive DC/DC converter ("micro DC/DC")
■ Characteristics
The XCL202 series is an ultra -small (2.5mm x 2.0mm, H = 1.0mm) antihypertensive DC/DC converter that integrates coils and control ICs. By simply adding two ceramic capacitors to the external, you can configure a maximum load current of 400mA.
The operating voltage is 2.0V to 6.0V. The output voltage can be set in 0.05V steps from 0.8 to 4.0V. The control IC operates at 1.2MHz switching frequency, and is a synchronous rectifier method with a built -in 0.42ΩPCH driver TR. Freely high -speed response, low ripple, and high efficiency are achieved in all load areas from light load to heavy load.
Even if the CE function is turned off, the current consumption is reduced to 1.0 μA or less by stopping the entire circuit at the time of standby. In addition, a built -in UVLO (Under Voltage Lock Out) function is built -in, and if the input voltage is 1.4V or less, the internal driver tr.
With a built -in high -speed soft start function, the output voltage is launched at 0.25ms (TYP). In addition, the CL discharge function is also built in, and the charge of the load capacity CL is disguised through internal resistance by turning on the internal switch between LX-VSS during the standby.
With this discharge function, the output voltage can be returned to VSS level at high speed.
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