LTC3119EUFD#TRPBF

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LTC3119EUFD#TRPBF

IC REG BCK BST ADJ 5A 28QFN

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Spezifikationen

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Function Step-Up/Step-Down
OutputConfiguration Positive
Topology Buck-Boost
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 2.5V
Voltage-Input(Max) 18V
Voltage-Output(Min/Fixed) 0.8V
Voltage-Output(Max) 18V
Current-Output 5A
Frequency-Switching 400kHz ~ 2MHz
SynchronousRectifier Yes
OperatingTemperature -40°C ~ 125°C (TA)
MountingType Surface Mount
Package/Case 28-WFQFN Exposed Pad

Übersicht

Description

Introduction to LTC3119EUFD#TRPBF
- What it is: A Linear Technology (now Analog Devices) DC-DC converter IC—the LTC3119—designed as a high-efficiency buck-boost regulator for battery-powered systems.
- Package/code: EUFD denotes the specific package variant; #TRPBF indicates Pb-free, Tape & Reel packaging.
- Key capability: Automatic buck/boost operation with integrated switching elements and control logic to regulate an output voltage from a wide range of inputs.
- Typical features: Programmable output, soft-start, enable/shutdown, protection (overcurrent/thermal), and good transient response.
- Applications: Portable electronics, battery management, automotive/industrial power rails, solar/battery hybrid systems.
- How to use: Choose feedback resistors to set Vout, follow datasheet layout guidelines, and reference the evaluation board for wiring and peripheral recommendations.
- For exact specs: consult the LTC3119 datasheet and application notes to confirm input range, load current, efficiency, and pinout for your design.

Features

Here are the key features of LTC3119EUFD#TRPBF (from the datasheet):
- Synchronous buck-boost DC-DC converter with integrated MOSFETs
- Wide input-voltage range suitable for automotive and portable use
- Buck-boost operation: can regulate output above or below input
- Adjustable output via external resistor network
- Auto PWM/PFM mode for high efficiency across load range
- Soft-start to minimize inrush and output overshoot
- Current-limit protection with short-circuit protection
- Over/under voltage protection (UVLO/OVLO) and thermal shutdown
- Enable input and a status/power-good indication
- Low quiescent current for efficiency in light-load/battery apps
- Small 8-pin package (EUFD variant) with Tape-and-Reel (TRPBF) options
Note: exact pinout, voltage ranges, and programming details are in the official datasheet.

Package

28-lead QFN (leadless) package, RoHS Pb-free (TRPBF).

Pinout

- Pin count: 28 pins (QFN package, 5x6 mm typical for LTC3119EUFD#TRPBF).
- Function: High-efficiency buck-boost DC-DC converter with integrated switches and power-path management (can operate in buck, boost, or buck-boost mode) to regulate output voltage from inputs above or below the desired output, with built-in protections (current limit, OVP, etc.).

Manufacturer

- Manufacturer: Analog Devices, Inc. (the LTC/Lin ear Technology part is now under Analog Devices, following their 2017 acquisition).
- Company type: A multinational semiconductor company specializing in analog, mixed-signal, and digital signal processing (DSP) integrated circuits.

Application

LTC3119EUFD#TRPBF is a high-efficiency, multi-phase synchronous buck controller for multiphase DC-DC power supplies. Typical applications include:
- Automotive and battery-powered systems
- Industrial equipment and motor-control power supplies
- Telecom/datacom front-end and server DC-DC rails
- CPU/FPGA/ASIC core voltage regulators (POL)
- Solar and renewable DC-DC conversion

Versand

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