參數(shù)資料
型號(hào)： LM3502ITL-35
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類(lèi)： 顯示驅(qū)動(dòng)器
英文描述： GT 4C 4#16S SKT PLUG RTANG
中文描述： LED DISPLAY DRIVER, PBGA10
封裝： 1 MM HEIGHT, BGA-10
文件頁(yè)數(shù)： 1/18頁(yè)
文件大小： 928K
代理商： LM3502ITL-35
LM3502
Step-Up Converter for White LED Applications
General Description
The LM3502 is a white LED driver for lighting applications.
For dual display or large single white LED string backlighting
applications, the LM3502 provides a complete solution. The
LM3502 contains two internal whitle LED current bypass
FET(Field Effect Transitor) switches that are ideal for con-
troling dual display applications. The while LED current can
be adjusted with a PWM signal directly from a microcontrol-
ler without the need of an RC filter network.
With no external compensation, cycle-by-cycle current limit,
over-voltage protection, and under-voltage protection, the
LM3502 offers superior performance over other application
specific standard product step-up white LED drivers.
Features
n
Drive up to 4, 6, 8 or 10 white LEDs for Dual Display
Backlighting
n
>
80% efficiency
n
Output Voltage Options: 16V , 25V , 35V, and 44V
n
Input Under-Voltage Protection
n
Internal Soft Start Eliminating Inrush Current
n
1 MHz Constant-Switching Frequency
n
Wide Input Voltage: 2.5V to 5.5V
n
Small External Components
n
Low Profile Packages:
<
1 mm Height
-10 Bump MicroSMD
-16 Pin LLP
Applications
n
Dual Display BackLighting in Portable Devices
n
Cellular Phones and PDAs
Typical Application
20131701
FIGURE 1. Blacklight Configuration with 10 White LEDs
September 2005
L
2005 National Semiconductor Corporation
DS201317
www.national.com
相關(guān)PDF資料
PDF描述
LM3502ITL-44 GT 5C 5#16S PIN PLUG
LM3502ITLX-25 Step-Up Converter for White LED Applications
LM3502ITLX-16 Step-Up Converter for White LED Applications
LM3502ITL-25 Circular Connector; MIL SPEC:MIL-C-5015; Body Material:Metal; Series:GT; No. of Contacts:55; Connector Shell Size:32; Connecting Termination:Crimp; Circular Shell Style:Right Angle Plug; Body Style:Right Angle
LM3502ITL-16 GT 7C 7#16S PIN PLUG RTANG
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM3502ITL-35/NOPB 功能描述:LED照明驅(qū)動(dòng)器 RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N
LM3502ITL-44 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述:WLED DRIVER 44V POWERWISE LLP-16
LM3502ITL-44/NOPB 功能描述:LED照明驅(qū)動(dòng)器 RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N
LM3502ITL-44EV 功能描述:電源管理IC開(kāi)發(fā)工具 LM3502 EVAL BOARD RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類(lèi)型:Battery Management 工具用于評(píng)估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V
LM3502ITL-44EV/NOPB 功能描述:電源管理IC開(kāi)發(fā)工具 LM3502ITL-44 EVAL BRD RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類(lèi)型:Battery Management 工具用于評(píng)估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V
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