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LT3597

Category:LED driver
Product Name:60V, triple step-down LED driver
Manufacturers:LT
Production Batch Number:11+
Encapsulation:QFN
Stock Status:There is stock
Stock Quantity:2000
Minimum order quantity: 1
Details:

Product introduction

LT359760V, triple step-down LED driver

peculiarity

三个 100mA 降压型稳压器，每个通道可利用快速 NPN 电流源来驱动多达 10 个 LED
适合于 TMDimming)
Interrupt the LED in shutdown mode
Adaptive V for efficiency_OUT
控制 6V 至 60V 输入电压范围
准确度达 ±2% 的 LED 电流匹配
An external resistor is used to set the LED current for each channel
内部补偿和软起动
Programmable Switching Frequency (200kHz to 1MHz)
Can be synchronized to an external clock
开路 LED 检测和报告
短路 LED 引脚保护和报告
可编程 LED 热降额
Programmable temperature protection
5mm x 8mm thermally enhanced QFN package with 0.6mm high voltage pin pitch

description

LT^®3597 是一款 60V、三通道降压型 LED 驱动器，能够在 100Hz 频率条件下实现 10,000 : 1 的数字 PWM 调光，并可在每个通道中运用快速 NPN 电流源来驱动多达 10 个 LED。另外，也可以利用 CTRL1-3 引脚的模拟控制来实施 LED 调光操作。

降压开关频率可在 200kHz 至 1MHz 之间进行设置。该频率也可以同步至一个外部时钟。LT3597 还在遵循制造商拟订的热降额规格的同时提供了最大 LED 亮度。降额温度通过在主控制引脚上布设一个负温度系数 (NTC) 电阻器来设置。

LT3597 对 V_OUT进行自适应控制，旨在实现最佳效率。该器件的其他特点包括：通道之间的 2% LED 电流匹配准确度、开路 LED 报告、短路 LED 保护、可编程 LED 电流和可编程温度保护功能。

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LED广告牌和布告板
单色、多色、全彩色LED显示器
大屏幕显示器LED背面照明
Automotive, industrial, and medical displays

andLT3597Related ICs are:

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LT3597	LT	11+	QFN	60V, triple step-down LED driver
2SC3597E	Sanyo	03+	TO-126	Brand new original
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