LV5803M-TE-L-E

Voltage - Output (Min/Fixed):	0.8V
Base Part Number:	LV5803
Supplier Device Package:	8-MFP
Package / Case:	8-SOIC (0.173", 4.40mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-20°C ~ 80°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	330kHz
Current - Output:	--
Voltage - Output (Max):	15.48V
Series:	--
Voltage - Input (Max):	18V
Voltage - Input (Min):	4.5V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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LV5803M-TE-L-E Application Field and Working Principle

The LV5803M-TE-L-E is a power management integrated circuit (PMIC) designed for switching regulators in DC DC applications. It is a versatile solution for multiple power supply configurations for consumer electronics and industrial applications alike. The integrated circuit (IC) allows for the cost-effective solution for applications that require high efficiency, versatile input/output voltage range, synchronous rectification, and programmable power sequencing.The LV5803M-TE-L-E integrates a high-current MOSFET gate driver and a low-voltage buck controller. The MOSFET gate drivers feature a peak current boost of up to 400mA at 4.5V, allowing for speedy power up times and no-load efficiency of up to 95%. The low-voltage buck controller incorporates a PWM controller with programmable frequency and integrates a stable, 5V reference voltage. This allows for the voltage regulation of output voltages ranging between 0.6V and 5V. The LV5803M-TE-L-EAlso supports fast switchover and programmable power sequencing with its power-good output and ver house voltage wathdog. This makes the device suitable for multiple power supply configurations. Additionally, the SOT453-6 package and very low operating current reduces the power consumption and adds in cost savings.The LV5803M-TE-L-E is capable of operating in either fixed-frequency mode control (FF) or variable frequency control (VF) mode, depending on the application. FF mode allows the user to set a fixed frequency, while VF mode utilises PWM frequency modulation to control the switching frequency. This ability to switch between the two modes is useful in applications where the load can vary significantly and a fixed frequency may result in unstable performance.The LV5803M-TE-L-E also supports synchronous rectification, which significantly reduces power dissipation in the system. Synchronous rectification allows the MOSFETs to switch between ON and OFF states in a balanced fashion, and prevents excessive current from flowing through the MOSFETs during ON-state.Overall, the LV5803M-TE-L-E is a robust and versatile DC DC switching regulator designed to meet the challenging power requirements of consumer electronics and industrial applications. The integrated circuit is small and cost-effective, and offers high levels of efficiency and performance. Furthermore, it incorporates advanced features such as fast switchover and programmable power sequencing, voltage range of 0.6V to 5V, and synchronous rectification. These features make the LV5803M-TE-L-E the ideal choice for any application requiring a reliable and cost-effective power management solution.

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