Datasheet > RT8510

RT8510

更新时间： 2024-11-12 15:50:03

品牌	Logo	应用领域
立锜 - RICHTEK		/
页数	文件大小	规格书
12页	174K
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RT8510 技术参数

Status：	Active	Vin (min) (V)：	4.2
Vin (max) (V)：	24	SW Freq (typ) (kHz)：	1000
Number of LEDs (max) (pcs)：	48	Iout (max)/channel (mA)：	40
Iq (typ) (mA)：	2	Dimming Control：	PWM
Topology：	Boost	Features：	Adjustable Frequency;Enable Input;OCP;OVP
Package Type：	WQFN3x3-16

RT8510 数据手册

RT8510

43V 4-CH LED Driver

General Description

Features

^Wide Input Voltage : 4.2V to 24V

The RT8510 is a high efficiency driver for white LEDs. It is

designed for LCDpanels that employ an array of LEDs as

the lighting source. An integrated switch current mode

boost controller drives four strings in parallel and supports

up to 12 pieces of LED per string. The internal current

sinks support a maximum of 2% current mismatching

for excellent brightness uniformity in each string of LED.

To provide enough headroom for current sink operation

the boost controller monitors the minimum voltage of

feedback pins and regulates an optimized output voltage

for power efficiency.

^High Output Voltage : Up to 43V

^Adjustable Channel Current : 10mA to 40mA

^Channel Current Accuracy : 3%

^Channel Current Matching : 2%

^PWM Dimming Frequency : 120Hz to 30kHz

^Adjustable Switching Frequency : 500kHz to 2MHz

^Built-In Soft-Start

^Disconnects LED in Shutdown

^Open Current Sink Detection

^Adjustable Over Voltage Protection

^Over Temperature Protection

The RT8510 has a wide input voltage range from 4.2V to

24V and provide an adjustable 10mAto 40mALEDcurrent.

The internal 200mΩ, 43V power switch with current-mode

control provides cycle-by-cycle over current protection.

The RT8510 also integrates PWM dimming function for

accurate LED current control. The input PWM dimming

frequency can operate from 120Hz to 30kHz without

inducing any inrush current through the LED or inductor.

The switching frequency of the RT8510 is adjustable from

500kHz to 2MHz, allowing the user flexibility between

efficiency and component size.

 Current Limit Protection

 Thin 16-Lead WQFN Package

 RoHS Compliant and Halogen Free

Applications

 UMPC andNotebook Computer Backlight

 GPS, Portable DVD Backlight

Pin Configuration

(TOP VIEW)

The RT8510 is available in a WQFN-16L 3x3 package.

16 15 14 13

AGND

COMP

ISET

OVP

PGND

Ordering Information

RT8510

GND

Package Type

QW : WQFN-16L 3x3 (W-Type)

Lead Plating System

G : Green (Halogen Free and Pb Free)

Z : ECO (Ecological Element with

Halogen Free and Pb free)

Note :

WQFN-16L 3x3

Richtek products are :

 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.

is a registered trademark of Richtek Technology Corporation.

DS8510-04 March 2017

www.richtek.com

12 3 4 5 6 7...12

中文翻译

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与RT8510相关器件

型号	品牌	获取价格	描述	数据表
RT8511A	RICHTEK	获取价格	43V Asynchronous Boost WLED Driver
RT8511B	RICHTEK	获取价格	暂无描述
RT8522-10-6M0	Schaffner	获取价格	Current-compensated Chokes
RT8522-12-5M0	Schaffner	获取价格	Current-compensated Chokes
RT8522-16-4M0	Schaffner	获取价格	Current-compensated Chokes
RT8522-20-3M0	Schaffner	获取价格	Current-compensated Chokes
RT8522-6-10M0	Schaffner	获取价格	Current-compensated Chokes
RT8522-8-8M0	Schaffner	获取价格	Current-compensated Chokes
RT8525	RICHCO	获取价格	Boost Controller with Dimming Control
RT8525	RICHTEK	获取价格	Boost Controller with Dimming Control

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