参数资料
型号: LTC3219EUD#PBF
厂商: Linear Technology
文件页数: 12/20页
文件大小: 0K
描述: IC LED DRIVR QVGA DISPLAY 20-QFN
标准包装: 121
拓扑: 开路漏极,升压(升压),切换式电容器(充电泵)
输出数: 9
内部驱动器:
类型 - 主要: 背光
类型 - 次要: LED 闪烁器
频率: 650kHz ~ 1.05MHz
电源电压: 2.9 V ~ 5.5 V
安装类型: 表面贴装
封装/外壳: 20-WFQFN 裸露焊盘
供应商设备封装: 20-QFN 裸露焊盘(3x3)
包装: 管件
工作温度: -40°C ~ 85°C
产品目录页面: 1340 (CN2011-ZH PDF)
LTC3219
OPERATION
Sub-Address Byte
MSB
LSB
7
X
X
X
X
X
X
X
X
X
X
X
X
6
X
X
X
X
X
X
X
X
X
X
X
X
5
X
X
X
X
X
X
X
X
X
X
X
X
4
X
X
X
X
X
X
X
X
X
X
X
X
3
0
0
0
0
0
0
0
0
1
1
1
1
2
0
0
0
0
1
1
1
1
0
0
0
0
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
1
0
1
Register
REG0
REG1
REG2
REG3
REG4
REG5
REG6
REG7
REG8
REG9
REG10
REG11
Function
COMMAND
ULED1
ULED2
ULED3
ULED4
ULED5
ULED6
ULED7
ULED8
ULED9
ENU
B/G/ENU
REG0, Command Byte, Sub-Address = 0000
MSB
LSB
D7
Unused
D6
Reserved
D5
Reserved
D4
Reserved
D3
Force2x
D2
Force1p5
D1
Quick Write
D0
UP
UP
Quick Write
Force1p5
Force2x
0
1
0
1
1
0
1
0
Gradation counts down
Gradation counts up
Normal write to each register
Quick write, REG1 data is written to all nine universal registers
Forces charge pump into 1.5x mode
Enables mode logic to control mode charges based on dropout signal
Forces charge pump into 2x mode
Enables mode logic to control mode changes based on dropout signal
Force1x
Reserved
Reserved
Reserved
Unused
X
X
X
X
D2 (Force1p5x) = 1
D3 (Force2x) = 1
Forces Charge Pump Into 1x Mode
Note: X = Don't Care
3219fa
12
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LTC3220EPF#PBF 功能描述:IC LED DRVR QVGA DISPLAY 28UTQFN RoHS:是 类别:集成电路 (IC) >> PMIC - LED 驱动器 系列:- 标准包装:60 系列:- 恒定电流:- 恒定电压:- 拓扑:线性(LDO),PWM,升压(升压) 输出数:8 内部驱动器:是 类型 - 主要:背光 类型 - 次要:RGB,白色 LED 频率:500kHz ~ 1.5MHz 电源电压:4.75 V ~ 26 V 输出电压:45V 安装类型:* 封装/外壳:* 供应商设备封装:* 包装:* 工作温度:-40°C ~ 85°C