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参数资料
| 型号： | LT3595AEUHH#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 10/16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
string depends on the number of LEDs and can vary from
0.47μF to 1μF. Refer to Table 2 for proper output capacitor
selection.
Table 2. Recommended Output Capacitor Values (V LED = 3.5V)
Open LED Detection
The LT3595A detects an open LED on any channel and
reports it to the OPENLED pin. The fault also reports dur-
ing startup until the output voltage and LED current are
# LEDs
3-10
1-2
C OUT (μF)
0.47
1
in regulation. Therefore, it can also be used as a “power
ok” signal.
Programming LED Current
Table 3. Recommended Ceramic Capacitor Manufacturers
The set resistor (R SET in the Block Diagram) controls
Taiyo Yuden
TDK
Murata
Kemet
408-573-4150
www.t-yuden.com
847-803-6100
www.component.tdk.com
770-436-1300
www.murata.com
800-533-1992
www.kemet.com
the LED current in all sixteen channels. LED current as
a function of the R SET resistance is shown in the Typical
Performance Characteristics. Common values for LED cur-
rent and their required resistor values are listed in Table 4.
Since resistor error directly translates to LED current error,
precision resistors are preferred (1% is recommended).
The maximum allowed resistor value is 150k.
Table 3 shows a list of several ceramic capacitor manufac-
Table 4. LED Current vs R SET Resistance
turers. Consult the manufacturers for detailed information
on their entire selection of ceramic parts.
R SET (k Ω )
150
75.0
49.9
37.4
30.1
I LED (mA)
10
20
30
40
50
3595af
10
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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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