LT3471EDD is a dual‑channel DC‑DC switching regulator manufactured by ADI (formerly Linear Technology).

Typical Output Capability

3.3V Input → +5V / 630 mA5V Input → +12V / 320 mA5V Input → −12V / 200 mA

Functions & Features

Generates positive high‑voltage and negative high‑voltage from a single chip. Eliminates the need for two separate power ICs and saves PCB space.High 1.2 MHz switching frequency allows the use of compact surface‑mount inductors and capacitors for peripheral circuits.Soft‑start function suppresses inrush current during power‑on to protect downstream components.Current‑mode control delivers low output ripple for easy filtering.

Applications

Display bias power supplies: TFT‑LCD and OLED power supplies to provide positive‑negative driving bias voltages.LED driving: Power supply for white‑light LEDs and OLED panels.Portable equipment: Digital cameras, handheld instruments, mobile devices.Signal‑chain power supplies: Local ±5 V, ±12 V power for op‑amps and analog circuits.Portable medical diagnostic devices.xDSL communication modules.Compact industrial instruments and boards requiring positive‑negative power supplies under space‑constrained conditions.

LT3471EDD#TRPBF

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