LTC3112EDHD#TRPBF

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LTC3112EDHD#TRPBF

IC REG BCK BST ADJ 2.5A 16DFN

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規格

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) 2.7V
Voltage-Input(Max) 15V
Voltage-Output(Min/Fixed) 2.5V
Voltage-Output(Max) 14V
Current-Output 2.5A
Frequency-Switching 750kHz
SynchronousRectifier Yes
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case 16-WFDFN Exposed Pad

概述

Description

LTC3112EDHD#TRPBF is a Linear Technology (now Analog Devices) part number for a high-efficiency switching regulator IC. The device is a DC-DC converter that uses a switching architecture with external components to set its output and regulate voltage efficiently across a wide input range.
What the suffix means:
- EDHD: package type and temperature grade (specific to this device variant).
- #TRPBF: packaging code indicating Tape-and-Reel, Pb-free (lead-free).
In short: LTC3112EDHD#TRPBF is a specific package/version of the LTC3112 switching regulator intended for use in applications like automotive and battery-powered systems, where you need a configurable, protected, high-efficiency DC-DC converter. It requires external inductor and passive components and provides features such as soft-start, enable, and protection against overcurrent and thermal conditions per the datasheet.

Features

Here are the typical features of LTC3112EDHD#TRPBF:
- Dual synchronous buck regulator in one device (two switching channels).
- Wide input range suitable for Li‑ion systems (approximately 2.7V–5.5V).
- Output voltages adjustable via external feedback resistors (low rails possible, e.g., ~0.8V).
- Interleaved operation for reduced ripple and improved efficiency.
- Internal high‑efficiency MOSFET switches.
- Current‑mode control with programmable switching frequency.
- Burst/low‑load mode for high efficiency at light loads.
- Enable input with undervoltage lockout; soft‑start and voltage tracking.
- Protection features: overcurrent, thermal shutdown, and fault handling.
- Power‑good signaling for system monitoring.
- External compensation/network recommended for stable loop performance.
- Pb‑free, TRPBF tape‑and‑reel packaging (EDHD variant).
Notes: exact switching frequency, efficiency ranges, and allowable output voltages are specified in the datasheet; consult it for design margins and application guidelines.

Package

The LTC3112EDHD#TRPBF uses a 20-pin TSSOP with exposed pad (EDH variant); Pb-free; Tape-and-Reel packaging (TRPBF).

Pinout

- Pin count: 16 pins
- Function: Dual high-voltage DC-DC buck regulator controller (two independent switching regulator channels) that requires external MOSFETs; provides current-mode control for efficient power conversion.

Manufacturer

Manufacturer: Analog Devices, Inc. (ADI), formerly Linear Technology. ADI is a U.S.-based multinational semiconductor company that designs and manufactures analog, mixed-signal, and digital signal processing ICs, including power management and sensor solutions.

Application

Applications: wide-input buck-boost DC-DC regulation for battery-powered and wide-range input systems. Ideal for portable devices, wearables, and sensors needing a stable rail from varying sources; automotive/industrial power-management (wide input tolerance); solar/battery hybrid or back-up power supplies; USB-powered peripherals and PMIC front-ends; and any microcontroller/FPGA/SoC supply rail needing efficient step-up/step-down.

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