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| 型号： | ZXLD1350ET5TA |
| 厂商： | Diodes Inc |
| 文件页数： | 17/22页 |
| 文件大小： | 0K |
| 描述： | IC LED DRIVR WHITE BCKLGT TSOT-5 |
| 产品培训模块： | ZXLD1350 |
| 特色产品： | LED Driver Solutions |
| 标准包装： | 1 |
| 拓扑： | PWM，降压（降压） |
| 输出数： | 1 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 车载 |
| 类型 - 次要： | 高亮度 LED（HBLED），白色 LED |
| 频率： | 1MHz |
| 电源电压： | 7 V ~ 30 V |
| 输出电压： | 30V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-5 细型，TSOT-23-5 |
| 供应商设备封装： | TSOT-23-5 |
| 包装： | 标准包装 |
| 工作温度： | -40°C ~ 105°C |
| 产品目录页面： | 1478 (CN2011-ZH PDF) |
| 其它名称： | ZXLD1350ET5DKR |
A Product Line of
Diodes Incorporated
ZXLD1350
30V 350mA LED DRIVER with AEC-Q100
Application Information (Continued)
Inductor Selection
Recommended inductor values for the ZXLD1350 are in the range 47μH to 220μH.
Higher values of inductance are recommended at higher supply voltages in order to minimize errors due to switching delays,
which result in increased ripple and lower efficiency. Higher values of inductance also result in a smaller change in output
current over the supply voltage range. (See graphs). The inductor should be mounted as close to the device as possible with
low resistance connections to the LX and V IN pins.
The chosen coil should have a saturation current higher than the peak output current and a continuous
current rating above the required mean output current.
Suitable coils for use with the ZXLD1350 are listed in the table below:
Part No.
DO1608C
MSS6132ML
CD104-MC
NP04SB470M
L
(μH)
47
47
68
100
220
47
DCR
(V)
0.64
0.38
0.58
0.82
0.55
0.27
I SAT
(A)
0.5
0.56
0.47
0.39
0.53
0.38
Manufacturer
CoilCraft
Sumida
Taiyo Yuden
The inductor value should be chosen to maintain operating duty cycle and switch 'on'/'off' times within the specified limits over
the supply voltage and load current range.
The following equations can be used as a guide, with reference to Figure 1 - Operating waveforms.
LX Switch 'On' time
t ON =
L Δ I
V IN ? V LED ? I avg × ( R S + r L + R LX )
Note: t ONnmin > 200ns
LX Switch 'Off' time
t OFF =
L Δ I
V LED + V D + I avg × ( R S + r L )
Note: t OFFmin > 200ns
Where:
L is the coil inductance (H)
r L is the coil resistance ( Ω )
I avg is the required LED current (A)
Δ I is the coil peak-peak ripple current (A) {Internally set to 0.3 x I avg }
V IN is the supply voltage (V)
V LED is the total LED forward voltage (V)
R LX is the switch resistance ( Ω )
V D is the rectifier diode forward voltage at the required load current (V)
ZXLD1350
Document number: DS33468 Rev. 8 - 2
17 of 22
www.diodes.com
March 2011
? Diodes Incorporated
相关PDF资料 |
PDF描述 |
|---|---|
| ZXLD1352ET5TA | IC LED DRIVER HIGH BRIGHT TSOT-5 |
| ZXLD1356DACTC | IC LED DRIVER WHITE BCKLGT 6-DFN |
| ZXLD1360ET5TA | IC LED DRIVR WHITE BCKLGT TSOT-5 |
| ZXLD1362ET5TA | IC LED DRIVR WHITE BCKLGT TSOT-5 |
| ZXLD1366DACTC | IC LED DRIVER WHITE BCKLGT 6-DFN |
相关代理商/技术参数 |
参数描述 |
|---|---|
| ZXLD1350ET5TA-CUT TAPE | 制造商:DIODES 功能描述:ZXLD1350 Series 350 mA 1 MHz SMT LED Driver with Internal Switch - TSOT-23-5 |
| ZXLD1350EV3 | 制造商:ZETEX 制造商全称:ZETEX 功能描述:circuit diagram and bill of materials |
| ZXLD1352 | 制造商:ZETEX 制造商全称:ZETEX 功能描述:350mA LED driver with internal switch and enhanced PWM dimming range |
| ZXLD1352ET5TA | 功能描述:LED照明驱动器 350mA, 30V LED Drver, Int Swtch RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
| ZXLD1356 | 制造商:DIODES 制造商全称:Diodes Incorporated 功能描述:High accuracy 550mA, 60V LED driver with internal switch |
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