White LED Current Regulator with 1x/1.5x
High-Efficiency Charge Pump
Table 1. Enable Input Modes
EN_ INPUT LOGIC LEVELS
EN1 = 0, EN2 = 0
EN1 = 0, EN2 = 1
EN1 = 1, EN2 = 0
EN1 = 1, EN2 = 1
Table 2. Capacitor Selection
MODE
Shutdown mode
On, V SET = 200mV, LED1 threshold = 200mV
On, V SET = 400mV, LED1 threshold = 300mV
On, V SET = 600mV, LED1 threshold = 400mV
LED CURRENT
0
1/3
2/3
Full
OUTPUT
(mA)
40
80
150
C IN
(μF)
1
1
1
C1
(μF)
0.22
0.47
1.0
C2
(μF)
0.22
0.47
1.0
C OUT
(μF)
4.7
4.7
4.7
Table 3. Capacitor Manufacturers
COMPONENT NAME
C IN
C OUT
C1 and C2
VALUE
(μF)
1
4.7
1
0.47
0.22
MANUFACTURER
Taiyo Yuden
Taiyo Yuden
Taiyo Yuden
Taiyo Yuden
Taiyo Yuden
PART NO.
JMK107BJ105MA
JMK212BJ475MG
JMK107BJ105MA
LMK107BJ474MA
LMK107BJ224KA
DESCRIPTION
1μF ± 20%, 6.3V X5R ceramic capacitor (0603)
4.7μF ± 20%, 6.3V X5R ceramic capacitor (0805)
1μF ± 20%, 6.3V X5R ceramic capacitor (0603)
0.47μF ± 20%, 10V X5R ceramic capacitor (0603)
0.22μF ± 10%, 10V X7R ceramic capacitor (0603)
8
_______________________________________________________________________________________
相关PDF资料
MAX1573ETE+ IC LED DRVR WHITE BCKLGT 16-TQFN
MAX1574ETB+T IC LED DRVR WHITE BCKLGT 10TDFN
MAX1575ETE+ IC LED DRVR WHITE BCKLGT 16-TQFN
MAX1576ETG+T IC LED DRVR WHITE BCKLGT 24-TQFN
MAX1577ZETA+T IC LED DRIVR BCKLGT FLASH 8-TDFN
MAX1582ETC+T IC LED DRVR WHITE BCKLGT 12-TQFN
MAX1583ZETB+T IC LED DRIVR PHOTO FLASH 10-TDFN
MAX1599ETA+T IC LED DRIVR WHITE BCKLGT 8-TDFN
相关代理商/技术参数
MAX1570ETE+T 功能描述:LED照明驱动器 White LED Crnt Reg w/1-1.5x Charge Pump 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
MAX1570ETE-T 功能描述:LED照明驱动器 White LED Crnt Reg w/1-1.5x Charge Pump 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
MAX1570ETE-TG075 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
MAX1570EVKIT 功能描述:LED 照明开发工具 Evaluation Kit for the MAX1570 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:
MAX1571ETM 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
MAX1572ETC075 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
MAX1572ETC075+ 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
MAX1572ETC130 功能描述:直流/直流开关转换器 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