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8-Port, 5.5V Constant-Current LED Driver
Pin Description
PIN
1
2
3
4
5 – 12
13
14
15
16
NAME
GND
DIN
CLK
LE
OUT0 – OUT7
OE
DOUT
SET
V+
FUNCTION
Ground
Serial-Data Input. Data is loaded into the internal 8-bit shift register on CLK ’ s rising edge.
Serial-Clock Input. Data is loaded into the internal 8-bit shift register on CLK ’ s rising edge.
Load-Enable Input. Data is loaded transparently from the internal shift register to the output latch while
LE is high. Data is latched into the output latch on LE's falling edge, and retained while LE is low.
LED Driver Outputs. OUT0 – OUT7 are open-drain, constant-current sinking outputs rated to 5.5V.
Output-Enable Input. High forces outputs OUT0 – OUT7 to high impedance, without altering the contents of
the output latches. Low enables outputs OUT0 – OUT7 to follow the state of the output latches.
Serial-Data Output. Data is clocked out of the 8-bit internal shift register to DOUT on CLK ’ s rising edge.
LED Current Setting. Connect SET to GND through a resistor (R SET ) to set the maximum LED current.
Positive Supply Voltage. Bypass V+ to GND with a 0.1μF ceramic capacitor.
PAD
Exposed pad* Exposed pad on package underside. Connect to GND.
* TSSOP package only.
CLK
MAX6968
DIN
D0
SERIAL-TO-PARALLEL SHIFT REGISTER
D7
DOUT
LE
D0
LATCHES
D7
POWER-ON
RESET
V+
OE
V+
D0
CONSTANT-CURRENT SINKS
D7
CURRENT
REFERENCE
R SET
OUT0
OUT2
OUT5
OUT7
OUT1
OUT6
GND
GND
Figure 1. MAX6968 Block Diagram
6
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相关代理商/技术参数
MAX6968AAE+T 功能描述:LED显示驱动器 8-Port 5.5V Constant Current LED Driver RoHS:否 制造商:Micrel 数位数量:5 片段数量: 安装风格:SMD/SMT 封装 / 箱体:PLCC-44 工作电源电压:4.75 V to 11 V 最大电源电流:10 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Tube
MAX6968AAE-T 功能描述:LED显示驱动器 8-Port 5.5V Constant Current LED Driver RoHS:否 制造商:Micrel 数位数量:5 片段数量: 安装风格:SMD/SMT 封装 / 箱体:PLCC-44 工作电源电压:4.75 V to 11 V 最大电源电流:10 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Tube
MAX6968AEE 制造商:Maxim Integrated Products 功能描述:8-PORT, 5.5V CONSTANT-CURRENT LED DRIVER - Rail/Tube
MAX6968AEE+ 制造商:Maxim Integrated Products 功能描述:- Rail/Tube
MAX6968APE 功能描述:LED显示驱动器 8-Port 5.5V Constant Current LED Driver RoHS:否 制造商:Micrel 数位数量:5 片段数量: 安装风格:SMD/SMT 封装 / 箱体:PLCC-44 工作电源电压:4.75 V to 11 V 最大电源电流:10 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Tube
MAX6968APE+ 功能描述:LED显示驱动器 8-Port 5.5V Constant Current LED Driver RoHS:否 制造商:Micrel 数位数量:5 片段数量: 安装风格:SMD/SMT 封装 / 箱体:PLCC-44 工作电源电压:4.75 V to 11 V 最大电源电流:10 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Tube
MAX6968AUE 功能描述:LED显示驱动器 8-Port 5.5V Constant Current LED Driver RoHS:否 制造商:Micrel 数位数量:5 片段数量: 安装风格:SMD/SMT 封装 / 箱体:PLCC-44 工作电源电压:4.75 V to 11 V 最大电源电流:10 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Tube
MAX6968AUE+ 功能描述:LED显示驱动器 8-Port 5.5V Constant Current LED Driver RoHS:否 制造商:Micrel 数位数量:5 片段数量: 安装风格:SMD/SMT 封装 / 箱体:PLCC-44 工作电源电压:4.75 V to 11 V 最大电源电流:10 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Tube
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