参数资料
型号: A6280EA-T
厂商: Allegro Microsystems Inc
文件页数: 4/14页
文件大小: 0K
描述: IC LED DRIVER PWM CONTROL 16-DIP
标准包装: 10,000
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: 通孔
封装/外壳: 16-DIP(0.300",7.62mm)
供应商设备封装: 16-DIP
包装: 管件
工作温度: -40°C ~ 85°C
产品目录页面: 1141 (CN2011-ZH PDF)
其它名称: 620-1256
A6280
SDI
3-Channel Constant-Current LED Driver
with Programmable PWM Control
Functional Block Diagram
Shift Register
SDO
CI
LI
OEI
Latched Registers
100 ns
One-Shot
CO
LO
OEO
R EXT
REXT
VIN
Regulator
Current
Regulator 0
Current
Regulator 1
Current
Regulator 2
VREG
OUT0
OUT1
OUT2
PGND
LGND
Pin-out Drawings
OUT1 1
OUT0 2
16 PGND
15 OUT2
SDO 3
LO 4
OEO 5
CO 6
REXT 7
14 SDI
13 LI
12 OEI
11 CI
10 VIN
REXT
VREG
LGND
VIN
1
2
3
4
PAD
12 OUT0
11 OUT1
10 PGND
9 OUT2
VREG 8
Package A
9 LGND
Package ES
Terminal List Table
Name
OUT1
OUT0
SDO
LO
OEO
CO
REXT
VREG
LGND
VIN
CI
OEI
LI
SDI
OUT2
PGND
PAD
Number
A Package ES Package
1 11
2 12
3 13
4 14
5 15
6 16
7 1
8 2
9 3
10 4
11 5
12 6
13 7
14 8
15 9
16 10
n.a. –
Description
Sinking output terminal
Sinking output terminal
Buffered serial data output after shift register
Buffered latch output
Buffered output enable output
Buffered clock output
An external resistor at this terminal establishes overall output current
Regulator decoupling
Logic ground
Chip power supply voltage
Serial and PWM clock input
Output enable input; when low (active), the output drivers are enabled; when high (inac-
tive), all output drivers are turned off (blanked)
Latch input terminal; serial data is latched with high-level input
Serial data input to shift register
Sinking output terminal
Power ground
Exposed thermal pad, not internally connected; connect externally to LGND and PGND.
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
3
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