LT3597

所属类别：LED驱动
产品名称：60V、三通道降压型 LED 驱动器
厂商：LT
生产批号：11+
封装：QFN
库存状态：有库存
库存量：2000
最低订购量：1
详细资料：

Product Introduction

LT3597 60V, three-channel 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 TM 调光)
在停机模式中断接 LED
用于提升效率的自适应 V_OUT
控制 6V 至 60V 输入电压范围
准确度达 ±2% 的 LED 电流匹配
外部电阻器用于设定每个通道的 LED 电流
内部补偿和软起动
可编程开关频率 (200kHz 至 1MHz)
可同步至外部时钟
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
可编程温度保护
具 0.6mm 高电压引脚间距的 5mm x 8mm 耐热性能增强型 QFN 封装

description

®The LT 3597 is a 60V, three-channel step-down LED driver capable of 10,000:1 digital PWM dimming at 100Hz and can drive up to 10 LEDs with a fast NPN current source in each channel. Alternatively, the analog control of the CTRL1-3 pins can be used to implement LED dimming operations.

The buck switching frequency can be set between 200kHz and 1MHz. This frequency can also be synchronized to an external clock. The LT3597 also provides maximum LED brightness while adhering to the manufacturer's thermal derating specifications. The derating temperature is set by routing a negative temperature coefficient (NTC) resistor on the main control pin.

The LT3597 provides adaptive control of VOUT for optimal efficiency. Other features of the device include 2% LED current matching accuracy between channels, open-circuit LED reporting, short-circuit LED protection, programmable LED current, and programmable temperature protection.

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LEDBillboards and bulletin boards
Monochrome, multi-color, full colorLEDdisplay
Large screen displayLEDRear lighting
Automotive, industrial and medical displays

The ICs associated with the LT3597 include:

Model	Manufacturers	lot number	encapsulation	illustrate
LT3597	LT	11+	QFN	60V, three-channel step-down LED driver
2SC3597E	Sanyo	03+	TO-126	Brand new original
CXA3597ER	SONY	O3	VQFN-24P	Original in stock

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