LT3462AES6#TRMPBF Integrated Circuits (ICs)

Voltage - Output (Min/Fixed):	-1.265V
Base Part Number:	LT3462
Supplier Device Package:	TSOT-23-6
Package / Case:	SOT-23-6 Thin, TSOT-23-6
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	2.7MHz
Current - Output:	250mA
Voltage - Output (Max):	-38V
Series:	--
Voltage - Input (Max):	16V
Voltage - Input (Min):	2.5V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Cuk
Output Configuration:	Negative
Function:	Step-Up/Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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LT3462AES6#TRMPBF DC DC Switching Regulators

DC-DC switching regulators provide electrical energy conversion from one voltage level to another over a range of input and output voltages to meet a variety of requirements. They are frequently used in systems where the power requirement is efficiently served by a wide range of DC voltages. The LT3462AES6#TRMPBF is a low-noise, low-dropout DC-DC switching regulator designed for use in a wide range of applications.

Features

The LT3462AES6#TRMPBF is a low-noise, low-dropout DC-DC switching regulator with the following features:

• Low-noise buck-boost switching regulator
• Operating input voltage range of 2.7V to 18V
• Programmable switching frequency up to 2.2MHz
• Programmable maximum duty cycle
• Selectable low-noise or forced-continuous modes
• Output voltages adjustable from 1.0V to 6.0V
• Programmable Iq mode for low output ripple
• Over-current protection
• Soft-start
• Small, low profile surface-mount SOT-23 package

Application Fields and Working Principle

The LT3462AES6#TRMPBF DC-DC switching regulators are designed for a wide range of applications including battery-powered systems, desktop and laptop computers, automotive, medical, portable electronics and telecom systems. This DC-DC switching regulator can be used to supply power to low-voltage digital circuits such as microcontrollers and digital signal processors, as well as scale-down power converters where power efficiency is necessary. The LT3462AES6#TRMPBF DC-DC switching regulator works by switching a high-frequency inductor-capacitor (LC) filter between the input and output. The LT3462AES6#TRMPBF converter switches at a direct current (DC) level for improved ripple-rejection and noise-reduction. The size of the inductor determines the ripple and transient response, the size of the output capacitor determines the output accuracy and load transient response, and the feedback loop determines the operating frequency and output voltage. The datasheet provides specific recommendations for component selection.

Conclusion

The LT3462AES6#TRMPBF DC-DC switching regulator is a low-noise, low-dropout DC-DC switching regulator designed to meet the needs of a wide range of applications. With a wide operating input voltage range, programmable switching frequency, programmable maximum duty cycle, selectable low-noise or forced-continuous modes and adjustable output voltage, it is an ideal choice for power supply and low-voltage digital circuits.

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