Datasheet > WhiteLED> RT8560

RT8560

更新时间： 2024-02-26 07:45:47

品牌	Logo	应用领域
立锜 - RICHTEK		驱动器白色LED灯
页数	文件大小	规格书
15页	271K
描述
High Voltage 4 Channel LED Driver

阅读下载

中文翻译

获取价格

技术参数
数据手册

如果您发现信息不准确，欢迎纠错

RT8560 技术参数

Status：	Active	Vin (min) (V)：	7
Vin (max) (V)：	40	SW Freq (typ) (kHz)：	1000
Number of LEDs (max) (pcs)：		Iout (max)/channel (mA)：
Iq (typ) (mA)：	4	Dimming Control：
Topology：		Features：	Adjustable Soft-Start;Current Mode Control;Enable Input;OCP;OVP
Package Type：	WQFN4x4-20

RT8560 数据手册

RT8560

High Voltage 4 Channel LED Driver

General Description

Features

^zHigh Voltage : V_INup to 40V, V_OUTup to 60V, Driving

up to 60 x 3.6V LEDs (15 each channel)

^zChannel Current Programmabe 4mA to 30mA and

Matched to 3% Accuracy

The RT8560 is a 60V 4-channel LED driver capable of

delivering 30mA to each channel with 15 LEDs (3.6V per

diode) total 60 LEDs with one driver. The RT8560 is a

current mode boost converter opearated at 1MHz switching

frequency, wide V_INrange covers from 7V to 40V and the

on-chip current switch is rated at 1.5A.

^zCurrent Mode PWM 1MHz Boost Converter

^zEasy Analog and Digital Dimming Control

^zProgrammable Soft Start

The PWM output voltage loop selects and regulates the

LED pin with the highest voltage string to 0.9V allowing

voltage mismatches between LED strings. The RT8560

automatically detects and disconnects any unconnected

and/or broken strings during operation from PWM loop to

prevent V_OUTfrom over voltage.

^zAutomatic Detecting Unconnected and/or Broken

Channel

^zProgrammable Over Voltage Protection

^zDisconnects LED in Digital Dimming : Providing

High Accuracy Digital Dimming by PWM at ACTL

Pin or EN Pin

The 3% matched LEDcurrents on all channels are simply

programmed with a resistor or a current sink. Both analog

dimming and digitally controlled PWM dimming are

supported by RT8560. Analog dimming is linearly

controlled by an external voltage. With an on-chip output

clampping amplifier and a 200kΩ resistor, PWM dimming

signal is easily low-pass filtered to an analog dimming

signal with one external capacitor for noise-free PWM

dimming. A very high contrast ratio true digital PWM

dimming can be achieved by driving EN pin to PWM

shutdown the chip or by driving ACTL pin.

z V_INUnder Voltage Lockout

z Over Temperature Protection

z Current Limiting Protection

z Small 20-Lead WQFN Package

z RoHS Compliant and Halogen Free

Applications

z UMPC andNotebook Computer Backlight

z GPS, Portable DVD Backlight

z Desk Lights and Room Lighting

Ordering Information

Other protecting features include programmable PWM

output over voltage protection, LED curren limit, PWM

switch current limit and thermal shutdown. The RT8560

is packaged with a tiny footprint package of WQFN-20L

4x4 packages.

RT8560

Package Type

QW : WQFN-20L 4x4 (W-Type)

Lead Plating System

G : Green (Halogen Free and Pb Free)

Note :

Pin Configurations

Richtek products are :

(TOP VIEW)

` RoHS compliant and compatible with the current require-

ments of IPC/JEDEC J-STD-020.

` Suitable for use in SnPb or Pb-free soldering processes.

20 19 18 17 16

LED4

GND

Marking Information

GND

OVP

For marking information, contact our sales representative

directly or through a Richtek distributor located in your

area.

WQFN-20L 4x4

DS8560-01 April 2011

www.richtek.com

12 3 4 5 6 7...15

中文翻译

下载PDF

与RT8560相关器件

型号	品牌	获取价格	描述	数据表
RT8561A	RICHTEK	获取价格	暂无描述
RT8567A	RICHTEK	获取价格	6-CH 43V Constant Current LED Driver with PWM Dimming Control
RT8568A	RICHTEK	获取价格	6-CH 43V WLED Driver
RT8569	RICHTEK	获取价格	6 Strings 43V White LED Driver
RT8575	RICHTEK	获取价格	暂无描述
RT8577	RICHTEK	获取价格	High Voltage 4-CH LED Driver
RT8577A	RICHTEK	获取价格	暂无描述
RT-85A	ASTRODYNE	获取价格	85W Triple Output Switching Power Supply
RT-85A	MEANWELL	获取价格	85W Triple Output Switching Power Supply
RT-85B	ASTRODYNE	获取价格	85W Triple Output Switching Power Supply

与RT8560相关文章

共享储能电站：数据驱动与政策引领下的黄金机遇
2024-06-26

8
US1M数据手册解读：产品特性、替换型号推荐
2024-06-26

2
解析BAV99LT1G手册：参数分析、替换型号推荐
2024-06-26

1
解读BSS138PW数据手册：产品特性、电气参数及替换型号推荐
2024-06-26

3

产品中心

服务支持

精选活动

关于我们

帮助中心

RT8560

RT8560 技术参数

RT8560 数据手册

与RT8560相关器件

与RT8560相关文章

您还可以找

产品中心

服务支持

精选活动

关于我们

帮助中心

RT8560

RT8560 技术参数

RT8560 数据手册

与RT8560相关器件

与RT8560相关文章

您还可以找

您在本页遇到什么问题？