Datasheet > LT8500ITJ#PBF

LT8500ITJ#PBF

更新时间： 2024-09-24 21:20:31

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
26页	336K
描述
LT8500 - 48-Channel LED PWM Generator with 12-Bit Resolution and 50MHz Cascadable Serial Interface; Package: QFN; Pins: 56; Temperature Range: -40°C to 85°C

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技术参数
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LT8500ITJ#PBF 技术参数

是否Rohs认证：	符合	生命周期：	Active
零件包装代码：	QFN	针数：	56
Reach Compliance Code：	compliant	风险等级：	2.13
Base Number Matches：	1

LT8500ITJ#PBF 数据手册

LT8500

48-Channel LED PWM Generator

with 12-Bit Resolution and 50MHz

Cascadable Serial Interface

FeaTures

DescripTion

The LT^®8500 is a pulse width modulation (PWM) genera-

tor with 48 independent channels. Each channel has an

individually adjustable 12-bit (4096-step) PWM register

anda6-bit(64-step) 50ꢀcorrectionregister.Allcontrols

are programmable via a simple serial data interface. Three

banks of 16-channels each can be configured such that

3V to 5.5V Input Voltage

48 Independent PWM Outputs

TTL/CMOS Logic 50MHz Serial Data Interface

12-Bit (4096 Steps) PWM Width Resolution

6-Bit (64 Steps) PWM Correction

( 50ꢀ of Prograꢁꢁed PWM Width)

Up to 6.1kHz PWM Frequency (PWMCK = 25MHz)

Phase-Shift Option Reduces Switching Noise

Directly Controls Three LT3595A 16-Channel

LED Drivers

Diagnostic Information: Sync Error/Open LED Flags

56-Pin (6mm × 6mm × 0.78mm) TLA QFN Package

they operate 120° out-of-phase with each other.

The LT8500 features two diagnostic information flags:

synchronization error and open LED. The flags are sent,

withadditionalstateinformation,ontheserialdatainterface

duringstatusreadback.The50MHzcascadableserialdata

interface includes buffering and skew-balancing, making

the chip suitable for PWM intensive applications such

as large screen LCD dynamic backlighting and mono-,

multi- and full-color LED displays. The LT8500 is also

ideally suited to control three LT3595A LED drivers.

applicaTions

Large Screen Display LED Backlighting

Mono-, Multi-, Full-Color LED Displays

L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear

Technology Corporation. All other trademarks are the property of their respective owners.

LED Billboards and Signboards

Motor Control

Industrial Control

Automated Test Equipment

Robotics

Typical applicaTion

48 PWM OUTPUTS

• • • • •

PWM[48:1]

5-WIRE

SERIAL

• • • •

SDI

SCKI

SDO

SCK0

SDI

SCKI

SDO

SCK0

SDI

SCKI

SDO

SCK0

DATA

INTERFACE

LDIBLANK

LT8500 (1)

LDIBLANK

LT8500 (2)

LT8500 (N)

OSC

PWMCK

OPENLED

DIAGNOSTIC

CIRCUIT

• • • •

8500 TA01a

8500fb

For more information www.linear.com/LT8500

12 3 4 5 6 7...26

中文翻译

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与LT8500ITJ#PBF相关器件

型号	品牌	获取价格	描述	数据表
LT8500ITJ#TRPBF	Linear	获取价格	LT8500 - 48-Channel LED PWM Generator with 12-Bit Resolution and 50MHz Cascadable Serial I
LT8500IUHH#PBF	Linear	获取价格	暂无描述
LT8500IUHH#TRPBF	Linear	获取价格	LT8500 - 48-Channel LED PWM Generator with 12-Bit Resolution and 50MHz Cascadable Serial I
LT8550	ADI	获取价格	用于降压转换器并具内部栅极驱动器的 4 相 DC/DC 扩展器
LT8551	ADI	获取价格	具有内部栅极驱动器的多相升压转换器扩展器
LT8570	Linear	获取价格	Boost/SEPIC/Inverting DC/DC Converter with 65V Switch, Soft-Start and Synchronization
LT8570	ADI	获取价格	具 65V 开关、软起动和同步功能的升压 / SEPIC / 负输出 DC/DC 转换器
LT8570_15	Linear	获取价格	Boost/SEPIC/Inverting DC/DC Converter with 65V Switch, Soft-Start and Synchronization
LT8570-1_15	Linear	获取价格	Boost/SEPIC/Inverting DC/DC Converter with 65V Switch, Soft-Start and Synchronization
LT8580	ETC	获取价格	LT8580 系列产品是一种高效率、低纹波、工作频率高的PFM 升压DC-DC 变换器

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