X R P 7 6 2 0
4 - C h a n n e l A d j u s t a b l e C u r r e n t I 2 C C o n t r o l l e d L E D D r i v e r
Note 3: Ling regulation is calculated by this equation:
I 2 ? I 1
I AVG
?
1
? V
? 100 %
Where I 1 and I 2 is the current at different V IN .
Note
Note
Note
Note
4:
5:
6:
7:
Guaranteed by design.
Cb = total capacitance of one bus line in pF. t R and t F measured between 0.3 x V DD and 0.7 x V DD .
I SINK ≤6mA. Cb =total capacitance of one bus line in pF. t R and t F measured between 0.3 x V DD and 0.7 V DD .
Input filters on the SDA and SCL inputs suppress noise spikes less than 50ns.
BLOCK DIAGRAM
Fig. 3: XRP7620 Block Diagram
PIN ASSIGNMENT
2mm x 3mm
VIN
SDA
SCL
GND
1
2
3
4
8
7
6
5
LED1
LED2
LED3
LED4
DFN-8L
Fig. 4: XRP7620 Pin Assignment
? 2012 Exar Corporation
4/11
Rev. 1.1.0
相关PDF资料
XRP7714EVB EVAL BAORD FOR XRP7714
XRP77XXEVB-XCM EVAL BOARD W/USB-I2C FOR XRP7704
YRDKRL78G13 KIT DEV RSK FOR RL78G13
YRDKRX62N KIT DEMO FOR RX62N MCU LOW COST
YRDKSH7216W BOARD DEVELOPMENT FOR SH7216
ZA1010 PLUG AUTO PWR BLACK W/O LED IND
ZA1030 CIGARETTE PLUG BAKELITE
ZA1060 CIGARETTE PLUG PLASTIC BODY
相关代理商/技术参数
XRP7620IHTR-F 功能描述:LED照明驱动器 4-Chan Independently Adj. Curr Sink Drivr 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
XRP7657ED-F 制造商:Exar Corporation 功能描述:IC REGULATOR STED DOWN 2A 25V
XRP7657EDTR-F 功能描述:电压模式 PWM 控制器 2A 25V Non Sync. Step Down Reg. RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel
XRP7657EVB 功能描述:电源管理IC开发工具 Eval Board for XRP7657 Series RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V
XRP7659 制造商:EXAR 制造商全称:EXAR 功能描述:1.5A 18V1.4MHz Non Synchronous Step-Down Regulator
XRP7659EVB 功能描述:电源管理IC开发工具 EVAL XRP7659 RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V
XRP7659ISTR-F 功能描述:直流/直流开关转换器 4.5-18Vin,.18-15Vout 1.5A, 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
XRP7662 制造商:EXAR 制造商全称:EXAR 功能描述:12A 300KHz Synchronous Step Down Regulator