LTC3864HDE#TRPBF Allicdata Electronics
Allicdata Part #:

LTC3864HDE#TRPBF-ND

Manufacturer Part#:

LTC3864HDE#TRPBF

Price: $ 2.42
Product Category:

Integrated Circuits (ICs)

Manufacturer: Linear Technology/Analog Devices
Short Description: IC REG CTRLR BUCK 12DFN
More Detail: Buck Regulator Positive Output Step-Down DC-DC Co...
DataSheet: LTC3864HDE#TRPBF datasheetLTC3864HDE#TRPBF Datasheet/PDF
Quantity: 1000
2500 +: $ 2.19771
Stock 1000Can Ship Immediately
$ 2.42
Specifications
Frequency - Switching: 50kHz ~ 850kHz
Base Part Number: LTC3864
Supplier Device Package: 12-DFN (4x3)
Package / Case: 12-WFDFN Exposed Pad
Operating Temperature: -40°C ~ 150°C (TJ)
Control Features: Current Limit, Enable, Frequency Control, Power Good, Soft Start
Serial Interfaces: --
Clock Sync: No
Synchronous Rectifier: No
Duty Cycle (Max): 100%
Series: --
Voltage - Supply (Vcc/Vdd): 3.5 V ~ 60 V
Output Phases: 1
Number of Outputs: 1
Topology: Buck
Output Configuration: Positive
Function: Step-Down
Output Type: Transistor Driver
Part Status: Active
Packaging: Tape & Reel (TR) 
Description

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The LTC3864HDE#TRPBF is a high performance, 2-phase, step-down switching regulator controller. It is part of Linear Technology’s SWIFT series of high-efficiency, synchronous buck regulators. The device is uniquely suited to drive the two N-channel MOSFETs in a fixed-frequency, voltage mode step-down regulator circuit. With its comprehensive Error Amplifier Block and innovative Burst Mode® operation, the LTC3864HDE#TRPBF offers excellent accuracy, excellent transient response and high efficiency over a wide range of input and load conditions.

The LTC3864HDE#TRPBF offers a wide range of features for use in a variety of applications. The controller features a fixed-frequency, volt-mode architecture that is designed to maximize efficiency and system performance. It also features adaptive deadtime control for optimal efficiency at light load currents and short-circuit protection for prevention of damage due to high load currents. In addition, the LTC3864HDE#TRPBF features selectable on-time and sync frequency, adjustable soft-start, overtemperature protection, and power good output.

The primary application field of the LTC3864HDE#TRPBF is high-efficiency polyphase power conversion applications, such as high-current computing and telecom power supplies. These applications require highest output accuracy and transient response. This device is ideal for those applications because it provides a very wide adjustment range and a wide range of transient response. Moreover, the LTC3864HDE#TRPBF includes advanced cycle-by-cycle current limiting, hiccup-mode overcurrent protection, foldback overcurrent protection, and thermal shutdown to ensure operational reliability.

The working principle of the LTC3864HDE#TRPBF is based on the regulation of the output voltage by controlling the on-off time of the two MOSFETs in the voltage regulator circuit. The LTC3864HDE#TRPBF provides a voltage-mode control to regulate the output voltage by sensing the output voltage with the Error Amplifier. The Error Amplifier compares the output voltage with the reference voltage and adjusts the on-time of the two MOSFETs accordingly. This on-time is set by an internal clock that can be scaled or wired externally synchronizing with multiple converters. As the load is changed, the output voltage is changed accordingly and the Error Amplifier adjusts the on-time to maintain the output voltage constant. With this control method, the LTC3864HDE#TRPBF achieves high efficiency with excellent accuracy and quick response.

In conclusion, the LTC3864HDE#TRPBF is a high-performance, two-phase, synchronous buck regulator controller. It is designed to drive the two N-channel MOSFETs in a fixed-frequency, voltage-mode step-down regulator circuit. It has a wide range of features and offers excellent accuracy, excellent transient response, and high efficiency over a wide range of input and load conditions. It is ideal for use in applications such as high-current computing and telecom power supplies, thanks to its advanced control features and wide adjustment range.

The specific data is subject to PDF, and the above content is for reference

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