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参数资料
| 型号： | LT3595AEUHH#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 11/16页 |
| 文件大小： | 0K |
| 描述： | IC LED DRIVR WHITE BCKLGT 56-QFN |
| 标准包装： | 40 |
| 拓扑： | PWM，降压（降压） |
| 输出数： | 16 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 背光 |
| 类型 - 次要： | 白色 LED |
| 频率： | 1.6MHz ~ 2.4MHz |
| 电源电压： | 3 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 56-WFQFN 裸露焊盘 |
| 供应商设备封装： | 56-QFN-EP（5x9） |
| 包装： | 管件 |
| 工作温度： | -40°C ~ 85°C |
LT3595A
APPLICATIONS INFORMATION
Dimming Control
The sixteen PWM1-16 inputs control the dimming func-
tion. Each channel is modulated by its corresponding
PWM1-16 input. On a rising edge of any PWM1-16, the
IC’s internal support circuitry is enabled and the speci?c
channel turns on. LED current ?ows in the channel until
the falling edge of the PWM1-16 input. In this way, the
average LED current is modulated. The minimum on time
of a channel is 2μs and the maximum period is 10ms (at
100Hz). Therefore, the maximum dimming ratio is 5000:1.
Since the maximum R SET produces 10mA, the minimum
modulated LED current is 2μA.
When multiple channels are modulated, the rising edges
of PWM1-16 must be synchronized. The falling edges may
be asynchronous. A sample timing diagram is shown in
Figure 3.
SYNCHRONIZED RISING EDGES
PWM1-4
t ON(MIN) = 2μs
PWM5-8
t MAX = 10ms
PWM9-16
I LED1-4
I LED5-8
I LED9-16
3595A F03
Figure 3. Timing Diagram for Multi-Channel Modulation
3595af
11
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT3595AEUHHTRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:16 Channel Buck Mode LED Driver |
| LT3595EUHH#PBF | 功能描述:IC LED DRIVR WHITE BCKLGT 56-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - LED 驱动器 系列:- 标准包装:6,000 系列:- 恒定电流:- 恒定电压:- 拓扑:开路漏极，PWM 输出数:4 内部驱动器:是 类型 - 主要:LED 闪烁器 类型 - 次要:- 频率:400kHz 电源电压:2.3 V ~ 5.5 V 输出电压:- 安装类型:表面贴装 封装/外壳:8-VFDFN 裸露焊盘 供应商设备封装:8-HVSON 包装:带卷 (TR) 工作温度:-40°C ~ 85°C 其它名称:935286881118PCA9553TK/02-TPCA9553TK/02-T-ND |
| LT3595EUHH#TRPBF | 功能描述:IC LED DRIVR WHITE BCKLGT 56-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - LED 驱动器 系列:- 标准包装:6,000 系列:- 恒定电流:- 恒定电压:- 拓扑:开路漏极，PWM 输出数:4 内部驱动器:是 类型 - 主要:LED 闪烁器 类型 - 次要:- 频率:400kHz 电源电压:2.3 V ~ 5.5 V 输出电压:- 安装类型:表面贴装 封装/外壳:8-VFDFN 裸露焊盘 供应商设备封装:8-HVSON 包装:带卷 (TR) 工作温度:-40°C ~ 85°C 其它名称:935286881118PCA9553TK/02-TPCA9553TK/02-T-ND |
| LT3595EUHH-PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:16 Channel Buck Mode LED Driver |
| LT3595EUHH-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:16 Channel Buck Mode LED Driver |
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