L6920DB

Voltage - Output (Min/Fixed):	1.8V (3.3V, 5V)
Base Part Number:	L6920
Supplier Device Package:	8-MSOP
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	--
Current - Output:	800mA (Switch)
Voltage - Output (Max):	5.5V
Series:	--
Voltage - Input (Max):	5.5V
Voltage - Input (Min):	0.6V
Number of Outputs:	1
Output Type:	Adjustable (Fixed)
Topology:	Boost
Output Configuration:	Positive
Function:	Step-Up
Part Status:	Obsolete
Packaging:	Tube

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The L6920DB is a high-performance DC-DC switching regulator. It is a member of the series of integrated switching regulators that can either step up or step down a voltage input, depending on the configuration. This makes the device suitable for a wide range of applications, including battery-operated, portable and mobile devices. The device operates in a low-voltage range and is intended to be used with an external switch device, such as a FET, to regulate the input power.The L6920DB is an integrated switching regulator, meaning that it contains both an input voltage regulator and an output voltage regulator. The input voltage regulator receives an input voltage and passes it through to the output voltage regulator, whose job is to adjust the output voltage. This can be done by either increasing or decreasing the input voltage.The L6920DB works on a three-stage system. Firstly, the inductor and diode of the core circuit switch on and off, allowing current to flow through them. Secondly, the error amplifier compares the output voltage to the desired set voltage and adjusts the duty cycle accordingly. Finally, the PWM control block compares the current flowing through the inductor to the target peak current and adjusts its duty cycle accordingly.When the voltage difference between the input and output terminals is large, it is switched off and the output voltage is regulated by the error amplifier. When the voltage difference between the input and output terminals is small, it is switched on and the output voltage is regulated by the peak current limit. The L6920DB is available in a range of input and output voltages, and is optimized for use with low-profile components and board space savings. It can also be used with other switching regulators, such as the L6907, to create a high-performance, low-cost DC-DC switching regulator solution. The device uses a wide range of features and functions, including a low-side current limit, temperature compensation and current mode control. It also features a variety of protections, such as input under-voltage and over-voltage protection, as well as short-circuit protection. The L6920DB is designed for use in a variety of applications, such as battery-operated, portable and mobile devices, as well as 12V to 24V automotive applications. It is also suitable for powering low-power applications, such as audio amplifiers and other consumer electronics. Overall, the L6920DB is a highly integrated and efficient DC-DC switching regulator that is suitable for a wide range of applications. With its high-performance levels, low-profile components and board space savings, the L6920DB is an ideal choice for any application that requires a cost-effective and reliable power solution.

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