LT3825EFE#TRPBF

Frequency - Switching:	100kHz
Base Part Number:	LT3825
Supplier Device Package:	16-TSSOP-EP
Package / Case:	16-TSSOP (0.173", 4.40mm Width) Exposed Pad
Operating Temperature:	-40°C ~ 125°C (TJ)
Control Features:	Enable, Frequency Control, On Time Control
Serial Interfaces:	--
Clock Sync:	Yes
Synchronous Rectifier:	Yes
Duty Cycle (Max):	88%
Series:	--
Voltage - Supply (Vcc/Vdd):	9.7 V ~ 18 V
Output Phases:	1
Number of Outputs:	1
Topology:	Flyback
Output Configuration:	Positive, Isolation Capable
Function:	Step-Up/Step-Down
Output Type:	Transistor Driver
Part Status:	Active
Packaging:	Tape & Reel (TR)

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LT3825EFE#TRPBF Application Field and Working PrincipleLT3825EFE#TRPBF is a type of power-management integrated circuit, commonly referred to as PMIC. It is a special type of Voltage regulator and it falls into the category of DC-DC switching controllers.The PMIC can be used in various applications to regulate, protect and control power to various types of electronic devices. This application note discussess the application field and working principle of the LT3825EFE#TRPBF.The LT3825EFE#TRPBF is a low-noise, high efficiency, boosting DC-DC converter with high current capability. It is a monolithic IC with a 3-phase interleaved synchronous buck–boost stage, ideal for automotive and industrial applications. It can be used in applications where a relatively constant output voltage is needed even with varying input voltage and load conditions. The IC can step–up or step-down the input voltage to achieve the desired output voltage. It can also be used to convert between a wide range of input and output voltages.The LT3825EFE#TRPBF features an advanced current mode control scheme and is capable of providing an output current of up to 4A. It is self-protected and includes over-voltage protection, over-current protection and thermal shutdown. The IC also includes a built-in soft start and a pulse-width modulation (PWM) dimming waveform generator. In addition, the IC has an external enable pin to enable or disable the IC. The LT3825EFE#TRPBF is highly efficient, has low standby current and is easy to use.The LT3825EFE#TRPBF has a wide variety of applications and can be used in automotive power systems, industrial power systems, distributed power systems, telecommunications systems, component test systems and consumer electronics. It can also be used in applications such as voltage conversion and power supply design, power management and motor control.The LT3825EFE#TRPBF works by taking an input DC voltage, and using an internal switching network to pass the current through one or more inductors and one or more capacitors in order to step up or step down the input voltage. The switching frequency is controlled by an internal oscillator and the voltage can be set by an external divider. The various phases of the switching cycle are used to provide a regulated output voltage, with a current limit being applied by the current limit circuitry.In summary, the LT3825EFE#TRPBF is a low-noise, high efficiency, voltage regulator PMIC. It is used to regulate, protect and control power to various types of electronic devices and has a wide range of uses in automotive and industrial applications. The IC works by taking an input DC voltage and using an internal switching network to step up or step down the input voltage to achieve the desired output voltage. It is highly efficient, has low standby current and is easy to use.

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