XC9133B02AMR-G

• Product introduction

XC9133B02AMR-G Boost DC/DCconverter- Backlit LED driver

The XC9133 series is a step-up DC/DC converter chip with fixed operating frequency and constant output current, which is ideal for driving backlit LEDs in mobile phones, PDAs, digital cameras and other electronic devices.
The XC9133 series has an output voltage of 17.5V. When the input voltage is 3.2V, the XC9133 series of chips can drive four LEDs in series. When the input voltage is 2.5V, the XC9133 series of chips can drive two rows of LEDs in parallel, with three LEDs in series per row.
Adding a set of PWM-controlled signals to the CE pin of the XC9133 series controls the brightness of the LED. The XC9133 series has an operating frequency of up to 1.0MHz and a very low reference voltage, which greatly reduces power consumption and has high efficiency.
In addition, the XC9133 series includes a power switch with an on-resistance of 2.0Ω and uses only a very small ceramic capacitor (0.22uF) as the load capacitor.
The XC9133 series also has a built-in fault detection circuit. When the output voltage is too high, the power switch inside the chip stops working by feeding back the low circuit, which can prevent damage to the LED.

peculiarity

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