参数资料
型号: MAX7302ATE+T
厂商: Maxim Integrated
文件页数: 16/30页
文件大小: 0K
描述: IC LED DRIVER LINEAR 16-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
拓扑: 开路漏极,PWM
输出数: 9
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: 16-WFQFN 裸露焊盘
供应商设备封装: 16-TQFN(3x3)
包装: 带卷 (TR)
工作温度: -40°C ~ 125°C
SMBus/I 2 C Interfaced 9-Port,
Level-Translating GPIO and LED Driver with CLA
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-Z
LOW
HIGH-Z
LOW
HIGH-Z
LOW
HIGH-Z
LOW
HIGH-Z
LOW
HIGH-Z
LOW
HIGH-Z
LOW
HIGH-Z
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 5 6 7 8
OUTPUT P8
OUTPUTS P1, P9
OUTPUT P2
OUTPUT P3
OUTPUT P8
OUTPUTS P1, P9
OUTPUT P2
OUTPUTP3
OUTPUT P8
OUTPUTS P1, P9
OUTPUT P2
OUTPUT P3
OUTPUT P4
OUTPUT P5
OUTPUT P6
OUTPUT P7
Figure 7. Staggered PWM Phasing Between Port Outputs
OUTPUT P4
OUTPUT P5
OUTPUT P6
OUTPUT P7
16
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