参数资料
型号: MAX7306AUB+T
厂商: Maxim Integrated
文件页数: 16/23页
文件大小: 0K
描述: IC LED DRIVER LINEAR 10-UMAX
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
拓扑: PWM
输出数: 4
内部驱动器:
类型 - 主要: 背光,LED 闪烁器
类型 - 次要: 白色 LED
频率: 1MHz
电源电压: 1.62 V ~ 3.6 V
安装类型: 表面贴装
封装/外壳: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)裸露焊盘
供应商设备封装: 10-µMAX-EP
包装: 带卷 (TR)
工作温度: -40°C ~ 125°C
SMBus/I 2 C Interfaced 4-Port, Level-Translating
GPIOs and LED Drivers
PORT
REGISTER
VALUE
0b0X000000
0b0X000001
0b0X000010
0b0X000011
0b0X011101
0b0X011110
0b0X011111
0b0111XXXX
977 μ s NOMINAL PWM PERIOD (1024Hz PERIOD)
OUTPUT STATIC LOW (STATIC LOGIC-LOW OUTPUT OR LED DRIVE ON)
OUTPUT LOW 1/32 DUTY PWM
OUTPUT LOW 2/32 DUTY PWM
OUTPUT LOW 3/32 DUTY PWM
OUTPUT LOW 29/32 DUTY PWM
OUTPUT LOW 30/32 DUTY PWM
OUTPUT LOW 31/32 DUTY PWM
OUTPUT STATIC HIGH (STATIC LOGIC-HIGH OUTPUT OR LED DRIVE OFF)
HIGH IMPEDANCE
LOW
HIGH IMPEDANCE
LOW
HIGH IMPEDANCE
LOW
HIGH IMPEDANCE
LOW
HIGH IMPEDANCE
LOW
HIGH IMPEDANCE
LOW
HIGH IMPEDANCE
LOW
HIGH IMPEDANCE
LOW
Figure 6. Static and PWM Port Output Waveforms
977 μ s NOMINAL PWM PERIOD
NEXT PWM PERIOD
NEXT PWM PERIOD
0
1
2
3
4
OUTPUT P1
OUTPUT P2
OUTPUT P1
OUTPUT P2
OUTPUT P1
OUTPUT P2
OUTPUT P3
OUTPUT P4
Figure 7. Staggered PWM Phasing Between Port Outputs
OUTPUT P3
OUTPUT P4
16
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