LM3544MX-L/NOPB Integrated Circuits (ICs)

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The LM3544MX-L/NOPB is a power supply solution in the Power Management IC (PMIC) - Power Distribution Switches, Load Drivers category. It is one of many other devices in this category used for even distribution of power in an electronic system.

The LM3544MX-L/NOPB is a dual-rail supply controller with output switching capabilities. It has two DMOS FET switch outputs and three low-voltage inputs. This device is designed to provide low-cost power distribution solutions for complex supply systems in various applications such as LCD or CCD backlighting, DMA or bus power, or audio systems.

LM3544MX-L/NOPB operates on the basis of pulse-width modulation(PWM). It can create two output voltages from a single supply source with two outputs controlled independently by one common PWM signal. A Pulse Width (or Duty Cycle) can be used to control the amplitude of the two output voltages. A pressure-resistant supply voltage is necessary to ensure proper operation of the LM3544MX-L/NOPB.

The LM3544MX-L/NOPB contains an internal 20kHz oscillator to provide the clock pulses for PWM pulses. The pulse width is programmed by the voltage applied to the pulse width control pin (PWC). This voltage is compared with the internal reference voltage of 1.21V.

The LM3544MX-L/NOPB also has a Thermal Shutdown feature that keeps the device running even when it reaches high temperatures, thus protecting it from thermal runaway.

The LM3544MX-L/NOPB has a low quiescent current. It also features integrated Soft-Start and power-up diagnostics. Its wide operating range allows the device to operate from a single input supply to a multiple output supply with various voltages over a wide temperature range of -10°C to 85°C.

In summary, the LM3544MX-L/NOPB is a device in the PMIC - Power Distribution Switches, Load Drivers category that provides a low-cost, low-quiescent current, low-Power solution with pulse-width modulation and numerous other features. It is ideal for use in many systems where efficient and even power distribution is required.

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