LP3907QSQ-JXIP/NOPB

Voltage/Current - Output 3:	1.8V, 300mA
Base Part Number:	LP3907
Supplier Device Package:	24-WQFN (4x4)
Package / Case:	24-WFQFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Voltage - Supply:	2.8 V ~ 5.5 V
w/Sequencer:	Yes
w/Supervisor:	No
w/LED Driver:	No
Series:	--
Voltage/Current - Output 2:	3.3V, 600mA
Voltage/Current - Output 1:	1.2V, 1A
Frequency - Switching:	2.1MHz
Number of Outputs:	4
Function:	Any Function
Topology:	Step-Down (Buck) Synchronous (2), Linear (LDO) (2)
Part Status:	Active
Packaging:	Tape & Reel (TR)

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LP3907QSQ-JXIP/NOPB Applications & Working Principle

The LP3907QSQ-JXIP/NOPB is a power management integrated circuit (PMIC) composed of a linear voltage regulator (LVR) and a switching voltage regulator (SVR). This multi-regulator type PMIC is designed to regulate and monitor power supplies for various types of applications. It includes features such as step-down DC to DC voltage conversion, voltage level translation, over temperature protections, under voltage lockouts, and much more.The LP3907QSQ-JXIP/NOPB is designed to provide a cost-effective solution to many applications requiring low current, low voltage, and/or low noise power supply regulation. It operates in either step-down or step-up operational modes depending on the requirements of the system. The device is optimized to deliver efficient, low noise, and highly regulated output voltages.The LVR portion of the LP3907QSQ-JXIP/NOPB is a low-current, low-voltage linear voltage regulator with a wide input voltage range of 1.8V to 5.5V. It has a maximum output current of 150 mA (80 mA for the Switching Voltage Regulator) and can source or sink up to 2 A per phase. The LVR section has programmable under-voltage and over-temperature protection, as well as an adjustable soft-start feature, making it suitable for applications such as microprocessors, digital signal processors, and other low voltage control devices.The SVR part of the LP3907QSQ-JXIP/NOPB is a highly efficient, low voltage switching voltage regulator capable of delivering either positive or negative output voltages. It includes features such as a PWM frequency control that allows for easy synchronization with other hardware, as well as a wide input voltage range from 1.5V to 5.5V. The SVR can source or sink up to 3 A per phase, with a maximum output voltage of 6V. The SVR is configurable for both step-down and step-up modes, allowing for very efficient DC to DC voltage conversion.Given its features and versatility, the LP3907QSQ-JXIP/NOPB can be used to drive microcontrollers, digital signal processors, memory devices, voltage level translators, battery chargers, and other devices in a variety of applications. Its built-in protection features, small size, and low quiescent current make it an ideal solution for embedded systems and other low power applications.The LP3907QSQ-JXIP/NOPB is a highly efficient and cost-effective PMIC designed to provide reliable power supply regulation and monitoring in a variety of applications. Its LVR and SVR capabilities make it suitable for both step-up and step-down voltage conversion, providing efficient operation with favorable low noise and high regulation output. The device is also equipped with protection features such as over temperature and under voltage lockout, making it suitable for applications such as microprocessors, digital signal processors, and battery charging circuits.

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