LT3680IMSE#TRPBF

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LT3680IMSE#TRPBF

+BOM

IC REG BUCK ADJ 3.5A 10MSOP

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Specifications

Attribute Value
Package / Case Tape & Reel (TR)
Part Status Active
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 3.6V
Voltage - Input (Max) 36V
Voltage - Output (Min/Fixed) 0.79V
Voltage - Output (Max) 30V
Current - Output 3.5A
Frequency - Switching 230kHz ~ 2.45MHz
Synchronous Rectifier No
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount

Overview

Description

LT3680IMSE#TRPBF is Linear Technology/Analog Devices’ LT3680 LED driver in an MSOP-8 package. It is a high-voltage, constant-current LED driver with an integrated switching FET, designed to drive LEDs from a wide input range (up to about 60V) with high efficiency.
Key points:
- LED current sets via ISET resistor (and sense resistor), giving programmable constant current for one or more LEDs in series.
- Supports dimming (PWM and analog/DC) for brightness control.
- Includes protections: overcurrent, short-circuit, and thermal shutdown.
- Suitable for automotive lighting, backlighting, signage, and similar LED applications.
Packaging:
- IMSE = MSOP-8 package.
- TRPBF = Tape-and-reel, RoHS-compliant, Pb-free.
Application note:
- Typical circuit uses an inductor, a catch diode, a sense resistor, and an ISET resistor to define LED current.
For exact electrical specs, pinout, and application circuitry, refer to the LT3680 datasheet.

Pinout

- Pin count: 8 pins (MSOP-8, IMSE package)
- Function: High-efficiency switch-mode DC-DC buck regulator/controller with an integrated high-side switch, used to convert a higher input voltage to a lower regulated output.

Manufacturer

Manufacturer: Analog Devices, Inc. (the LT prefix comes from Linear Technology, which Analog Devices acquired; LT3680 is a Linear Technology part now under ADI).
Company type: Global semiconductor company specializing in analog, mixed-signal, and digital signal processing ICs, including power management and data converters.

Application

LT3680IMSE#TRPBF is a high-efficiency constant-current LED driver IC. It drives high-power LED strings from a wide input (battery, USB, automotive) with accurate current control. Typical applications:
- Automotive lighting (interior/exterior)
- LCD/display backlighting
- Signage, architectural and decorative lighting
- Portable, battery-powered LED lamps
- Camera flash/torch illumination
Features include adjustable LED current, PWM/analog dimming, and protection features. Available in the IMSE package with Tape & Reel.

Package

MSOP-8 package (Micro Small Outline Package, 8 pins). TRPBF means Tape‑and‑Reel, Pb‑Free.

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