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LDS8711008-T2-300

更新时间： 2024-02-09 03:47:45

品牌	Logo	应用领域
IXYS		显示驱动器驱动程序和接口接口集成电路光电二极管
页数	文件大小	规格书
12页	516K
描述
High Efficiency 10 LED Driver with No External Schottky

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中文翻译

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技术参数
数据手册

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LDS8711008-T2-300 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
零件包装代码：	QFN	包装说明：	2 X 3 MM, 0.80 MM HEIGHT, 0.50 MM PITCH, HALOGEN FREE AND ROHS COMPLIANT, MO-220, TDFN-8
针数：	8	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.84	Is Samacsys：	N
接口集成电路类型：	LED DISPLAY DRIVER	JESD-30 代码：	R-PDSO-N8
长度：	3 mm	复用显示功能：	NO
功能数量：	1	区段数：	10
端子数量：	8	最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	HVSON	封装等效代码：	SOLCC8,.12,20
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：	NOT SPECIFIED	电源：	3.6 V
认证状态：	Not Qualified	座面最大高度：	0.8 mm
子类别：	Display Drivers	最大供电电压：	5.5 V
最小供电电压：	2.7 V	标称供电电压：	3.6 V
表面贴装：	YES	温度等级：	INDUSTRIAL
端子形式：	NO LEAD	端子节距：	0.5 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	NOT SPECIFIED
宽度：	2 mm	Base Number Matches：	1

LDS8711008-T2-300 数据手册

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LDS8711

High Efficiency 10 LED Driver with No External Schottky

either in PWM or in Smart OneWire™ Interface

mode. The Smart OneWire™ Interface mode allows

set LED current in the range from 0.125 to 32 mA in

256 steps of 0.125 mA each. In PWM mode,

LDS8711 operates with either factory, or customer

preset maximum LED current values. Series

connection of the LEDs provides constant current

and subsequently uniform brightness, eliminating the

need for ballast resistors and factory calibration.

Operation at 0.7 MHz allows use of small value

inductor (10 – 33 µH) and external ceramic capacitor

(1 – 2.2 µF).

FEATURES



High efficiency boost converter with the input

voltage range from 2.7 to 5.5 V

250 mV current sense voltage

Drives one LED string with 10 LEDs in series

up to 32 mA



No external Schottky Required (Internal

synchronous rectifier*)



0.7 MHz Switching Frequency

Efficiency greater than 83%

Smart OneWire™ Interface and PWM LED

Brightness Control Modes Provide Constant

I_LEDcurrent or constant color temperature

brightness control

The use of integrated rectifier makes the efficiency

dependent on only two external components

parameters: inductor DCR and external capacitor

ESR.



Small External Inductor (10 µH – 33 µH)

Over voltage, under voltage, over

temperature, over current protection

The supply voltage down to 2.7 V for new Li-ion

battery chemistries or two alkaline battery cells

extends the battery life. Under-voltage protection

disables the part when V_INvoltage reaches 2.0 V



Low Shutdown Current (<1µA)

Available in 2 x 3 x 0.8 mm 8-pin TDFN

package

The LDS8711 has thermal shutdown set at 150 C.

Above this value, the boost converter stops

switching. The part resumes normal operations when

temperature drops below 130 ⁰C.

APPLICATION



Color Display Backlight

Portable Navigation and GPS Receivers

Smart phones

Digital Photo Frames

Portable DVD Players

Multimedia Phones

The over-current protection provides cycle-by-cycle

current limit.

The internal output over-voltage protection prevents

damage in the case of a faulty LED disconnect.

The PWM control ensures brightness adjustment with

a frequency from 100 Hz up to 30 KHz.

DESCRIPTION

The EN/PWM logic input functions as a chip enable

and LED current PWM contol pin.

The LDS8711 is a fixed frequency current mode

boost converter with internal rectifier and cycle-by-

cycle switch current limit specifically designed to

drive a string of up to 10 White LEDs. It operates

The device is available in in 8-pin TDFN 2 x 3 mm

package with a max height of 0.8 mm.

TYPICAL APPLICATION CIRCUIT

*) Patent pending

Characteristics subject to change without notice

Doc. No. 8711DS, Rev. N1.0

12 3 4 5 6 7...12

中文翻译

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与LDS8711008-T2-300相关器件

型号	品牌	获取价格	描述	数据表
LDS8720008-T2-200	IXYS	获取价格	LED Driver, 184-Segment, PDSO8, 2 X 3 MM, 0.80 MM HEIGHT, 0.50 MM PITCH, HALOGEN FREE AND
LDS8724	IXYS	获取价格	40 WLED Driver with Boost Converter
LDS8724008-T2-200	IXYS	获取价格	LED Driver, 45-Segment, PDSO8, 2 X 3 MM, 0.80 MM HEIGHT, 0.50 MM PITCH, HALOGEN FREE AND R
LDS8724008T2-200	IXYS	获取价格	40 WLED Driver with Boost Converter
LDS8726008-T2-200	IXYS	获取价格	LED Driver, 49-Segment, PDSO8, 2 X 3 MM, 0.80 MM HEIGHT, 0.50 MM PITCH, HALOGEN FREE AND R
LDS8845002-T2	IXYS	获取价格	LED Driver, 4-Segment, 3 X 3 MM, 0.50 MM PITCH, HALOGEN FREE AND ROHS COMPLIANT, MO-220, T
LDS8845003-T2	IXYS	获取价格	LED Driver, 4-Segment, 4 X 4 MM, 0.65 MM PITCH, HALOGEN FREE AND ROHS COMPLIANT, MO-220, T
LDS8846002-T2	IXYS	获取价格	LED Driver, 4-Segment, 3 X 3 MM, 0.80 MM HEIGHT, 0.50 MM PITCH, HALOGEN FREE AND ROHS COMP
LDS8846003-T2	IXYS	获取价格	LED Driver, 4-Segment, 4 X 4 MM, 0.80 MM HEIGHT, 0.65 MM PITCH, HALOGEN FREE AND ROHS COMP
LDS8865002-105	IXYS	获取价格	LED Driver, 6-Segment, 3 X 3 MM, 0.5 MM PITCH, ROHS COMPLIANT, TQFN-16

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