参数资料
型号: A6281EESTR-T
厂商: Allegro Microsystems Inc
文件页数: 5/11页
文件大小: 0K
描述: IC LED DRIVER PWM CONTROL 16-QFN
产品培训模块: A6281 Three-channel LED Driver
标准包装: 1,500
恒定电流:
拓扑: 线性,PWM
输出数: 3
内部驱动器:
类型 - 次要: RGB
频率: 5MHz
电源电压: 4.75 V ~ 17 V
输出电压: 1 V ~ 3 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-QFN/MLP 裸露焊盘(3x3)
包装: 带卷 (TR)
工作温度: -40°C ~ 85°C
产品目录页面: 1141 (CN2011-ZH PDF)
其它名称: 620-1218-2
A6281
3-Channel Constant Current LED Driver
with Programmable PWM Control
CI
(External Clock)
0
1
2
3
4
5
6
7
8
1 5
1 6
3 1
t SU (D )
SDI
(Serial Data In)
t w(C L K)
t H( D)
D31 D30 D29 D28 D27 D26 D25 D24 D23
D16 D15
D0
t P(SD O)
SDO
(Serial Data Out)
LI
(Latch In)
LO
(Latch Out)
Don ’t Care
Figure 2. Serial Port Timing
t SU (L I )
t P(IO)
D31
t H (L I )
Internal Oscillator or
CI (External Clock)
T 1
T 2
T N
PWM Counter
0
1
2
1023
0
1
2
X
0
I OUT0
Brightness Data = 0
I OUT1
t P(OE)
t P(OUT)
t P(OUT)
Brightness Data = 1
I OUT2
Brightness Data = 1022
OEI
(Output Enable Input)
t P(IO)
Outputs Off
Outputs On
t P(OUT)
t w (OE)
OEO
(Output Enable Output)
Figure 3. PWM Counter and Output Timing
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
5
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A6281KIT 制造商:Allegro MicroSystems 功能描述:EVALIATION KIT
A6282 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:16-Channel Constant-Current LED Driver
A6282AEESTR-T 制造商:Allegro MicroSystems LLC 功能描述:
A6282AELPTR-T 制造商:Allegro MicroSystems LLC 功能描述:
A6282EES-T 制造商:Allegro MicroSystems 功能描述:LED DRIVER 16 CH CONST-CURRENT 制造商:Allegro MicroSystems 功能描述:LED DRIVER, 16 CH, CONST-CURRENT 制造商:Allegro MicroSystems 功能描述:LED DRIVER, 16 CH, CONST-CURRENT; Topology:Constant Current; No. of Outputs:16; Output Current:51.1mA; Output Voltage:12V; Driver Case Style:QFN; Input Voltage Min:3V; Input Voltage Max:5.5V; Switching Frequency:30MHz; Operating ;RoHS Compliant: Yes