LT3465 - LT3465是1.2MHz/2.4MHz White LED Step-Up Converters with Built-In Schottky in ThinSOT

LT3465是LINEAR凌力尔特公司的一款升压型 LED 驱动器产品，LT3465是LT3465是1.2MHz/2.4MHz White LED Step-Up Converters with Built-In Schottky in ThinSOT，本站介绍了LT3465的封装应用图解、特点和优点、功能等，并给出了与LT3465相关的LINEAR元器件型号供参考。

LT3465 - LT3465是1.2MHz/2.4MHz White LED Step-Up Converters with Built-In Schottky in ThinSOT - 升压型 LED 驱动器 - 电源管理 - 凌力尔特

LT3465 - 1.2MHz/2.4MHz White LED Step-Up Converters with Built-In Schottky in ThinSOT

LT3465 - 1.2MHz/2.4MHz White LED Step-Up Converters with Built-In Schottky in ThinSOT - Linear Technology（凌力尔特）

功能描述

The LT3465/LT3465A are step-up DC/DC converters designed to drive up to six LEDs in series from a Li-Ion cell. Series connection of the LEDs provides identical LED currents and eliminates the need for ballast resistors. These devices integrate the Schottky diode required externally on competing devices. Additional features include output voltage limiting when LEDs are disconnected, onepin shutdown and dimming control. The LT3465 has internal soft-start.

The LT3465 switches at 1.2MHz, allowing the use of tiny external components. The faster LT3465A switches at 2.4MHz. Constant frequency switching results in low input noise and a small output capacitor. Just 0.22μF is required for 3-, 4- or 5-LED applications.

The LT3465 and LT3465A are available in low profile (1mm) 6-lead SOT-23 (ThinSOT?) packages.

特点

Inherently Matched LED Current

Drives Up to Six LEDs from a 3.6V Supply

No External Schottky Diode Required

1.2MHz Switching Frequency (LT3465)

2.4MHz Switching Frequency Above AM Broadcast Band (LT3465A)

Automatic Soft-Start (LT3465)

Open LED Protection

High Efficiency: 81% (LT3465) 79% (LT3465A) Typical

Requires Only 0.22μF Output Capacitor

Low Profile (1mm) SOT-23 Packaging

应用

Cellular Phones

PDAs, Handheld Computers

Digital Cameras

MP3 Players

GPS Receivers

以下列出了不同封装及包装形式的具体型号,并标出了直接在linear官网上订货的价格（美元）

器件型号	封装	温度	价格 (以 1 ~ 99 片为批量)	价格 (以 1000 片为批量)
LT3465AES6	SOT-23	E	$2.07
LT3465AES6#PBF	SOT-23	E	$2.07
LT3465AES6#TR	SOT-23	E	$2.07	$1.41
LT3465AES6#TRM	SOT-23	E	$2.07	$1.43
LT3465AES6#TRMPBF	SOT-23	E	$2.07	$1.43
LT3465AES6#TRPBF	SOT-23	E	$2.07	$1.41
LT3465ES6	SOT-23	E	$2.07
LT3465ES6#PBF	SOT-23	E	$2.07
LT3465ES6#TR	SOT-23	E	$2.07	$1.41
LT3465ES6#TRM	SOT-23	E	$2.07	$1.43
LT3465ES6#TRMPBF	SOT-23	E	$2.07	$1.43
LT3465ES6#TRPBF	SOT-23	E	$2.07	$1.41

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