MP3312GC-Z

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MP3312GC-Z is a PMIC – LED Drivers device which offers a flexible range of power management options and dynamic LED support. The primary applications of the device are portable electronics, desktops, flat panel displays, automotive lighting and any applications which require a variety of LED control. The MP3312GC-Z unique features allows the designers to drive or dim LED strings with high power conversion efficiency, cost-effectively.

The MP3312GC-Z incorporates a linear MOSFET for efficient low-voltage operation and current regulation. A VCC input pin accepts an input voltage from 0.5 to 3.3V allowing a wide range of applications including high-brightness LED illumination and displays. The device provides power management, including support for LED dimming, LED-string over-current protection, LED-string over-temperature protection, LED-string high-temperature shutdown and low/high LED-string current detection.

The device includes a single-channel Constant Current Output (CCO) and a two-channel Digital Pulse Width Modulation (DPWM) output. The device supports output current setting up to 50A maximum. The PWM-outputs provide precise duty cycle and frequency control of the LED strings. The integrated PWM circuit offers up to 10 different dimming modes and 50:1 ratio of dimming ratios. The device also includes a wide range of adjustable parameters, including switching frequency and current sense resistor.

The MP3312GC-Z is also available with a step-down or step-up circuit to drive the load. The device features high power-conversion efficiency up to 94%, low quiescent current and low ripple. This makes it suitable for a variety of low-power led lighting applications, such as the flashlight and small-sized LED strips. The device supports Power-on reset, Under-Voltage Lockout (UVLO) and Over-Current Protection (OCP) for added safety and protection in your application.

The MP3312GC-Z offers an integrated temperature protection feature, which monitor the junction temperature of the device and shut off the output if the junction temperature reaches the upper limit that is set by the user. This ensures long-term and reliable operation when the application is exposed to high temperature environments. The MP3312GC-Z also includes a low power-consumption shutdown mode and a sleep mode, which can turn off the output and reduce the operating current.

In conclusion, the MP3312GC-Z is a high performance, advanced LED driver with wide range of functions and features, suited to a variety of LED lighting. Its flexibility allows designers to implement advanced LED lighting applications, while providing the reliability and efficiency required. The device is capable of flexible PWM control, power-supply voltage range, low-ripple current sensing and low-power consumption.

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