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| 型号： | ZXLD1360ET5TA |
| 厂商： | Diodes Inc |
| 文件页数： | 17/25页 |
| 文件大小： | 0K |
| 描述： | IC LED DRIVR WHITE BCKLGT TSOT-5 |
| 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） |
| 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 ~ 125°C |
| 产品目录页面： | 1478 (CN2011-ZH PDF) |
| 其它名称： | ZXLD1360ET5DKR |
A Product Line of
Diodes Incorporated
ZXLD1360
Application Information (cont.)
Inductor Selection
Recommended inductor values for the ZXLD1360 are in the range 33μH to 100μH.
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 VIN 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 ZXLD1360 are listed in the table below:
Part No.
MSS1038-333
MSS1038-683
NPIS64D330MTRF
L
(μH)
33
68
33
DCR
(V)
0.093
0.213
0.124
ISAT
(A)
2.3
1.5
1.1
Manufacturer
CoilCraft www.coilcraft.com
NIC www.niccomp.com
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 =
V IN ? V LED
L Δ I
? I avg × ( R S + r L + R LX )
Note: t ONmin > 240ns
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 )
R S is the current sense 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 Iavg}
V IN is the supply voltage (V)
V LED is the total LED forward voltage (V)
R LX is the switch resistance ( Ω ) {=0.5 Ω nominal}
V D is the diode forward voltage at the required load current (V)
ZXLD1360
Document number: DS33471 Rev. 4 - 2
17 of 25
www.diodes.com
March 2011
? Diodes Incorporated
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ZXLD1360ET5TA-CUT TAPE | 制造商:DIODES 功能描述:ZXLD1360 Series 1 A 1 MHz SMT LED Driver with Internal Switch - TSOT-23-5 |
| ZXLD1362 | 制造商:DIODES 制造商全称:Diodes Incorporated 功能描述:60V 1A LED DRIVER WITH AEC-Q100 |
| ZXLD1362_12 | 制造商:DIODES 制造商全称:Diodes Incorporated 功能描述:60V 1A LED DREIVER WITH AEC-Q100 |
| ZXLD1362ET5TA | 功能描述:LED照明驱动器 1A/60V LED DRIVER 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 |
| ZXLD1362ET5TA-CUT TAPE | 制造商:DIODES 功能描述:ZXLD1362 Series 1 A 1 MHz SMT LED Driver with Internal Switch - TSOT-23-5 |
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