LP3907SQ-BJXIX/NOPB

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The LP3907SQ-BJXIX/NOPB is a Voltage Regulators - Linear + Switching regulator for use in power management applications such as computer systems, personal electronics, cell phones, and automotive systems. It outputs a low-noise, adjustable, 3.3V output voltage, ideal for many battery-management and power conversion applications. LP3907SQ-BJXIX/NOPB is a dual-output regulator, with one linear output and one switching output. It has programmable current limits, adjustable output voltage and low dropout voltage (LDO). The LP3907SQ-BJXIX/NOPB can supply up to 2.2A output current when two CMOS switches are enabled. The input voltage range is 4.5V to 20V.

The switch output supply is ideal for providing efficient, high-current outputs while keeping power dissipation low. The low-dropout, or LDO, feature allows the device to remain in regulation with very low input voltage. The switching frequency is fixed at 1.5MHz, making it suitable for high-frequency applications.

LP3907SQ-BJXIX/NOPB can be used in battery-management applications, supplying both 5V and 3.3V from a 3.7V input. The low-noise linear output of the regulator makes it ideal for applications such as automotive systems, where noise reduction is a priority. The output voltage is adjustable with an external resistor, allowing for precise control of the output voltage.

The device is powered by the supply voltage and the two dedicated pins VIN and VCC. VIN is the input voltage and VCC is the reference voltage. The LP3907SQ-BJXIX/NOPB enables power to be provided to the various loads through the MOSFET switches, which are controlled by the user-defined input PGM pin. The PGM pin is used to select between two sets of settings and enables the user to select two different output voltages. The maximum output current is limited by the programmable current limit, which is pre-set by the user.

The device has a Power-Good output pin, which indicates whether the power is being supplied at the regulated voltage. This pin can also be used as a signal input for some control functions. The device also has an Over Current Protection (OCP) pin, which is used to sense over current conditions and shut off the PMIC to protect the system.

The LP3907SQ-BJXIX/NOPB is a great choice for applications where both linear and switching regulation are needed, such as in power management systems, mobile electronics, and automotive applications. Its low dropout voltage, programmable current limit, Power-Good output, and Over Current Protection make it an ideal choice for these applications.

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