LTC3870EUFD#PBF Allicdata Electronics
Allicdata Part #:

LTC3870EUFD#PBF-ND

Manufacturer Part#:

LTC3870EUFD#PBF

Price: $ 3.56
Product Category:

Integrated Circuits (ICs)

Manufacturer: Linear Technology/Analog Devices
Short Description: IC REG CTRLR BUCK 28QFN
More Detail: Buck Regulator Positive Output Step-Down DC-DC Co...
DataSheet: LTC3870EUFD#PBF datasheetLTC3870EUFD#PBF Datasheet/PDF
Quantity: 22
1 +: $ 3.23190
25 +: $ 2.15914
100 +: $ 1.83141
Stock 22Can Ship Immediately
$ 3.56
Specifications
Frequency - Switching: 500kHz
Base Part Number: LTC3870
Supplier Device Package: 28-QFN (4x5)
Package / Case: 28-WFQFN Exposed Pad
Operating Temperature: -40°C ~ 125°C (TJ)
Control Features: Current Limit, Enable, Frequency Control, Phase Control
Serial Interfaces: --
Clock Sync: Yes
Synchronous Rectifier: Yes
Duty Cycle (Max): --
Series: PolyPhase®
Voltage - Supply (Vcc/Vdd): 4.5 V ~ 60 V
Output Phases: 2
Number of Outputs: 2
Topology: Buck
Output Configuration: Positive
Function: Step-Down
Output Type: Transistor Driver
Part Status: Active
Packaging: Tube 
Description

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LTC3870EUFD#PBF application field and working principle

The LTC3870EUFD#PBF is a high-performance, high-frequency synchronous buck switching regulator controller. With a peak-current mode architecture, LTC3870EUFD#PBF provides excellent transient response. It is capable of operating in the PFM (pulse-frequency modulation) mode at light loads to reduce noise and save power. Employing a current-limited, high-frequency control architecture, the LTC3870EUFD#PBF provides many system level advantages such as fast transient response, low noise and fast load steps.The LTC3870EUFD#PBF is designed to provide superior performance in demanding applications including medical, power supplies, industrial, automotive, avionics and telecom systems. When combined with external components, it can provide a complete power solution with low noise and fast transient response in a small, efficient package.The LTC3870EUFD#PBF can be used in both step-down and step-up design configurations. It supports wide input voltage ranges from 3.3V to 80V and synchronous rectification from a wide range of switching frequencies from 0. 5MHz to 7MHz. It also supports both high-voltage current monitoring and voltage monitoring for easy control.The LTC3870EUFD#PBF is based on a topology that offers a degree of flexibility and excellent dynamic response. It has accreditation from the major standards institutions and operates from -40°C to +85°C user environment.The LTC3870EUFD#PBF uses a digital control algorithm to continually monitor the voltage and current through the power conversion circuit. The LTC3870EUFD#PBF is designed to track the current and voltage feedback signals to ensure the output is set with a stable and precise output voltage. The controller also adjusts the output voltage based on the input voltage to ensure a stable output voltage over a wide input voltage range.The LTC3870EUFD#PBF uses a PWM switching topology and provides an open loop gain of up to 1V/A. This enables excellent transient performance regardless of the load or input voltage which makes it ideal for a range of systems including LED lighting, portable consumer electronics, and battery chargers.The LTC3870EUFD#PBF also provides over temperature protection, undervoltage lockout, power-up sequencing, a voltage mode pre-charge circuit and a low-side MOSFET current-sense circuit. This ensures efficient and reliable power conversion.The LTC3870EUFD#PBF is an ideal solution for powering a wide range of different applications and systems. Its wide input voltage range, accuracy, flexibility and fast dynamic response make it the ideal choice for a variety of different applications. Whether you need to power a medical device, LED lighting system, or any other system where efficiency and reliability are a must, the LTC3870EUFD#PBF will be the perfect choice.

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

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