8-String White LED Driver with
SMBus for LCD Panel Applications
OUTPUT OVERVOLTAGE
MAX17061A
COMPARATOR
1.236V
OV
IN
IN UVLO
ERROR
V DD
V CC
COMPARATOR
CONTROL AND
DRIVER LOGIC
LX1, 2
V CC
OSCILLATOR
CLOCK
SLOPE
COMPENSATION
FB OVERVOLTAGE
COMPARATOR
CURRENT SENSE
FB8
PGND1, 2
OSC
3-LEVEL
COMPARATOR
OV FAULT
V CC + 0.6V
HVC
FB7
FB6
FB5
ERROR
FB4
CCV
AMPLIFIER
gm
LVC
FB3
FB2
ISET
REF ADJ
VSAT
FB1
REF
8-BIT D/A
EN
FSET
DPWM SIGNAL GENERATOR
10 Ω
DPWM
SETTING
WLED
ON/OFF
CURRENT SOURCE
CURRENT SOURCE
GND
FB2
PWMO
PWMI
A
D
"< = 1"
"1"
MUX
MUX
CURRENT SOURCE
CURRENT SOURCE
FB3
FB4
DIMMING
PWM_MD
PWM_SEL
CURRENT SOURCE
FB5
BLOCK DIAGRAM
0x03
0x02
0x01
0x00
CURRENT SOURCE
FB6
CURRENT SOURCE
FB7
SDA
SMBus
SCL
INTERFACE
CURRENT SOURCE
FB8
Figure 2. Control Circuit Block Diagram
______________________________________________________________________________________
13
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相关代理商/技术参数
MAX17061AEVCMAXQU+ 功能描述:LED 照明开发工具 Evaluation Kit/Evaluation system for MAX17061A RoHS:否 制造商:Fairchild Semiconductor 产品:Evaluation Kits 用于:FL7732 核心: 电源电压:120V 系列: 封装:
MAX17061AEVKIT+ 功能描述:LED 照明开发工具 MAX17061A Eval Kit RoHS:否 制造商:Fairchild Semiconductor 产品:Evaluation Kits 用于:FL7732 核心: 电源电压:120V 系列: 封装:
MAX17061ETI+ 功能描述:LED照明驱动器 8-String White LED Driver w/SMBus RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N
MAX17061ETI+T 功能描述:LED照明驱动器 8-String White LED Driver w/SMBus RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N
MAX17061EVCMAXQU+ 功能描述:LED 照明开发工具 Evaluation Kit/Evaluation System for the MAX17061 RoHS:否 制造商:Fairchild Semiconductor 产品:Evaluation Kits 用于:FL7732 核心: 电源电压:120V 系列: 封装:
MAX17061EVKIT+ 功能描述:LED 照明开发工具 MAX17061 Eval Kit RoHS:否 制造商:Fairchild Semiconductor 产品:Evaluation Kits 用于:FL7732 核心: 电源电压:120V 系列: 封装:
MAX17062ETB+ 制造商:Maxim Integrated Products 功能描述: 制造商:Maxim Integrated Products 功能描述:TFT-LCD STEP-UP DC-DC CONVERTER - Rail/Tube
MAX17062ETB+T 功能描述:直流/直流开关转换器 TFT-LCD Step-Up DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT