圖片僅供參考

LT3472EDD

Name: LT3472EDD
Rating: 4.7 (12 reviews)

IC REG BST CUK ADJ 50MA DL 10DFN

製造商
製造商。部分 #LT3472EDD
包
資料表
有現貨的10753

+BOM RFQ

100%原創；新

24小時準備發貨

365天保修

RFQ&；獲得更多折扣

規格

Part Status	Discontinued at DigiKey
Base Product Number	LT3472
Function	Step-Up, Step-Up/Step-Down
Output Configuration	Positive and Negative (Dual Rail)
Topology	Boost, Cuk
Output Type	Adjustable
Number of Outputs	2
Voltage - Input (Min)	2.2V
Voltage - Input (Max)	16V
Voltage - Output (Min/Fixed)	±2.2V
Voltage - Output (Max)	±34V
Current - Output	50mA
Frequency - Switching	1.1MHz
Synchronous Rectifier	No
Mounting Type	Surface Mount
Package	10-WFDFN Exposed Pad
Supplier Device Package	10-DFN (3x3)
Packaging	Tube

概述

Description

LT3472EDD is an LED driver IC from Linear Technology (Analog Devices). It’s a high-efficiency switching regulator that provides constant-current drive to LEDs from a wide input voltage, using buck-boost topology. The “EDD” suffix identifies the package variant (8-pin MSOP-like package).
Key points:
- Wide input range (suitable for automotive and variable supplies)
- Buck-boost LED driver with programmable current via a sense resistor
- External inductor and diode; PWM and/or analog dimming options
- Protection features (short-circuit, thermal, current limit)
- Can drive one or more LED strings configured for constant current
Typical uses include automotive lighting, display/backlight, and general LED lighting where input voltage can vary widely. For exact specs (LED current range, efficiency, switching frequency, and pinout), consult the LT3472 datasheet for the EDD package.

Features

LT3472EDD features (concise):
- Dual, independent buck controllers with current-mode control
- Wide input voltage range (up to ~60V)
- External feedback per channel for adjustable outputs
- Fixed-frequency PWM with soft-start
- Overcurrent/short-circuit protection (hiccup)
- Overvoltage protection and thermal shutdown
- Enable/shutdown control
- High efficiency operation for compact power designs
- Suitable for two-channel, compact power supplies in the EDD package
Note: Always verify exact specs (voltages, currents, package details) from the latest LT3472 datasheet for your specific variant.

Package

LT3472EDD is offered in a 16‑lead TSSOP package.

Pinout

- Pin count: 16 pins (TSSOP-16 with exposed pad, as indicated by the EDD suffix)
- Function: Dual high‑voltage constant‑current LED driver with two independent current sinks; uses external sense resistors to set LED current; includes control/feedback pins for regulation and enable.

Manufacturer

Manufacturer: Analog Devices, Inc. (ADI).
Company type: A multinational semiconductor company that designs and manufactures analog, mixed-signal, and DSP integrated circuits (ADI acquired Linear Technology, the original owner of the LT3472, in 2017).

Application

LT3472EDD is a dual-channel, constant-current LED driver (buck-boost capability). Typical applications:
- Automotive lighting (headlamps, taillights, interior)
- LCD backlighting and signage
- Architectural and display lighting
- Portable/battery-powered LED lighting
- Multi-string LED installations needing independent current regulation and dimming (PWM or analog) over wide input voltages.