LT3463EDD#TRPBF

Voltage - Output (Min/Fixed):	±1.25V
Base Part Number:	LT3463
Supplier Device Package:	10-DFN (3x3)
Package / Case:	10-WFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	--
Current - Output:	180mA (Switch), 320mA (Switch)
Voltage - Output (Max):	±40V
Series:	--
Voltage - Input (Max):	15V
Voltage - Input (Min):	2.4V
Number of Outputs:	2
Output Type:	Adjustable
Topology:	Boost, Charge Pump
Output Configuration:	Positive and Negative (Dual Rail)
Function:	Step-Up
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to LT3463EDD#TRPBF

The LT3463 is a high current, synchronous step-down DC-DC switch regulator from Analog Devices. It features a high efficiency, step-down switching operation which produces output currents from 0.2A up to 3.2A. The devicecomes in an easy-to-use 4-pin SOT-23 package and requires a minimum of external components for efficient power conversion.The LT3463EDD#TRPBF is the most efficient version of the LT3463 series, with a maximum efficiency of up to 96.3% over a range of input voltages.This product is also enhanced by the fact that it is RoHS compliant, meaning that it meets the requirements of the European RoHS directive for the Restriction of Hazardous Substances.

LT3463EDD#TRPBF Application Field and Working Principle

The LT3463EDD#TRPBF belongs to the category of DC to DC switching regulators, used for power mangement solutions. The device can be used in multiple applications for its step-down, high current voltage conversions. The LT3463EDD#TRPBF features an internally compensated current mode PWM control that regulates its output current from up to 0.2A to 3.2A. It also includes thermal shutdown and overvoltage protection to prevent any malfunction due to excessive current and overheating. The device is capable of delivering sufficient currents to power LEDs, optical communications modules, microprocessors and other ICs operating over a range of voltage levels. Its various protection features and high efficiency makes the LT3463EDD#TRPBF suitable for many battery-powered and AC adapter-powered applications.

Features of LT3463EDD#TRPBF

The LT3463EDD#TRPBF provides various features for improved operation and safety. Some of these features are listed below.• High Efficiency – The LT3463EDD#TRPBF can operate with up to 96.3% efficiency over a range of input voltages.• High Output Current – The LT3463EDD#TRPBF can convert up to 3.2A of output current • Low Noise Operation – The LT3463EDD#TRPBF operates with a minimum of audible noise.• SOT-23 Package – The LT3463EDD#TRPBF is highly integrated and comes in an easy-to-use 4-pin SOT-23 package. • Protection Features – The LT3463EDD#TRPBF includes thermal shutdown and overvoltage protection.• RoHS Compliant – The LT3463EDD#TRPBF complies with the requirements of the European RoHS directive, making it suitable for environmental-friendly applications.

Operation and Performance of the LT3463EDD#TRPBF

The LT3463EDD#TRPBF integrates a sync-FET, an internal compensation network and an active clamp circuit for maximum performance over a range of input voltages. The LT3463EDD#TRPBF utilizes an internally compensated, current mode pulse-width modulation (PWM) controller to regulate the output current of up to 3.2A. It operates with a maximum duty cycle of 88%, allowing for high efficiency under any load conditions. The PWM controller also features a frequency modulating input which is factory preset to 800kHz.The device also features an overvoltage protection internally set to 2.4V which prevents any malfunction due to excessive output voltage. It also includes a thermal shutdown protection which disables the output in the case of excessive dissipation and over-temperature conditions.The LT3463EDD#TRPBF can operate over a wide range of input voltages, from 2.5 volts up to 34 volts. It is also compatible with an array of output voltage options, making it suitable for high-current applications.

Conclusion

The LT3463EDD#TRPBF is an efficient and easy to use DC-DC switching regulator suitable for a wide range of applications. Its compact 4-pin SOT-23 package is ideal for high-current, high-efficiency voltage conversions. The LT3463EDD#TRPBF features a high-efficiency up to 96.3% and a maximum output current of 3.2A. It also comes with a range of protection features for greater safety and reliability.

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