LT3599

所属类别：LED驱动
产品名称：具 ±1.5% 电流匹配准确度的四通道 120mA LED 驱动器
厂商：LT
生产批号：11+
封装：QFN-32, TSSOP-28
库存状态：有库存
库存量：20000
最低订购量：1
详细资料：

Product Introduction

The LT3599 features a quad-channel 120mA LED driver with ±1.5% current-matching accuracy

peculiarity

Up3000:1targetTrue Color PWMTMDimming ratio
With Gundam120mAcurrent drive4skewerLED
Accuracy±1.5%targetLEDCurrent matching
Wide input voltage range:3.1Vreach30V
Output voltage up to44V
Even in VIN > VOUTIt can also be adjusted under the conditions ofLEDcurrent
Disconnect in downtime modeLED
Programmable maximumVOUT (Adjusted)
Open/short circuitLEDProtection and fault flags
ProgrammableLEDCurrent derating
Adjustable Frequency:200kHzreach2.1MHz
Synchronization to an external clock
Analog dimming Gundam20:1
Programmable input with hysteresisUVLO
Enhanced heat resistance32pins(5mm x 5mm) QFNand28pinsTSSOPencapsulation

description

®The LT 3599 is a fixed-frequency, 2A step-up DC/DC converter designed to drive four strings of 120mA LEDs at an output voltage of up to 44V. The switching frequency can be set in the range of 200kHz to 2.1MHz using an external resistor.

LED dimming is enabled by analog dimming circuitry on the CTRL pin and pulse-width modulation dimming circuitry on the PWM pin. The LT3599 accurately regulates LED current, even when the input voltage is higher than the LED output voltage.

Other features include programmable LED current derating, switching frequency synchronization to an external clock, LED string deactivation control, OPENLED alarm pins, SHORTLED alarm pins, and a programmable maximum output voltage when all LED strings are disconnected. The LT3599 is available in thermally enhanced 32-pin (5mm x 5mm) QFN and 28-pin TSSOP packages

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台式电脑和笔记本电脑 TFT- LCD 显示器

The ICs associated with the LT3599 include:

Model	Manufacturers	lot number	encapsulation	illustrate
LT3599	LT	11+	QFN-32, TSSOP-28	A four-channel 120mA LED driver with ±1.5% current matching accuracy
2SC3599E	Sanyo	03+	TO-126	Brand new original

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