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参数资料
| 型号： | MAX1583YETB+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 9/10页 |
| 文件大小： | 0K |
| 描述： | IC LED DRIVR PHOTO FLASH 10-TDFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 恒定电流： | 是 |
| 拓扑： | 升压（升压） |
| 输出数： | 1 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 闪灯/白光 |
| 类型 - 次要： | 白色 LED |
| 频率： | 750kHz ~ 1.25MHz |
| 电源电压： | 2.6 V ~ 5.5 V |
| 输出电压： | 24V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-WFDFN 裸露焊盘 |
| 供应商设备封装： | 10-TDFN-EP（3x3） |
| 包装： | 带卷 (TR) |
| 工作温度： | -40°C ~ 85°C |
White LED Camera-Flash
Boost Converter
Input-Capacitor Selection
Bypass the input to GND using a ceramic capacitor.
Place the capacitor as close to the IC as possible. The
exact value of the input capacitor is not critical. The
typical value for the input capacitor is 22μF when using
the MAX1583X, 10μF when using the MAX1583Y, and
4μF when using the MAX1583Z. Using these values
reduces the input ripple to an acceptable level.
Output-Capacitor Selection
The output capacitance required depends on the
required LED current and the time duration of the pulse
in strobe mode. See the Reservoir Capacitance vs.
Current Limit section for details on determining this
capacitance value. Note that the output capacitor must
be rated for 25V or greater. In addition to the reservoir
capacitor, bypass the output with a 0.1μF, 25V capaci-
tor from OUT to LED.
Inductor Selection
The recommended inductor values for use with the
MAX1583 range from 4.7μH to 47μH. With input volt-
ages near 5V, a larger value of inductance can be
more efficient. To prevent core saturation, ensure that
the inductor-saturation current rating exceeds the cur-
rent limit of the MAX1583 (250mA, 500mA, or 1A).
Schottky-Diode Selection
The MAX1583 requires a high-speed rectification diode
Applications Information
PC Board Layout
Due to fast-switching waveforms and high-current
paths, careful PC board layout is required. An evalua-
tion kit (MAX1583EVKIT) is available as an example to
speed design. When laying out a board, minimize trace
lengths between the IC and the inductor, the diode, the
input capacitor, and the output capacitor. Keep traces
short, direct, and wide. The IN bypass capacitor should
be placed as close to the IC as possible. GND should
be connected directly to the exposed paddle under-
neath the IC. The ground connections of C IN and C OUT
should be as close together as possible. The traces
from IN to the inductor and from the Schottky diode to
the LEDs can be longer.
Chip Information
TRANSISTOR COUNT: 1395
PROCESS: BiCMOS
Ordering Information
(D1) for optimum performance. A Schottky diode is rec-
ommended due to its fast recovery time and low for-
ward-voltage drop. Ensure that the diode’s average
and peak current ratings exceed the average output
current and the current limit (I LIMIT ) of the MAX1583
(250mA, 500mA, or 1A). In addition, the diode’s reverse
PART
MAX1583YETB-T
MAX1583YETB+T
MAX1583ZETB-T
MAX1583ZETB+T
TEMP RANGE
-40 ° C to +85 ° C
-40 ° C to +85 ° C
-40 ° C to +85 ° C
-40 ° C to +85 ° C
PIN-PACKAGE
10 TDFN 3mm x 3mm
10 TDFN 3mm x 3mm
10 TDFN 3mm x 3mm
10 TDFN 3mm x 3mm
breakdown voltage must exceed V OUT . The RMS diode
current is calculated as:
I DIODE ( RMS ) ? I LED ( MAX ) × I LIMIT
+ Denotes lead-free package.
_______________________________________________________________________________________
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| MAX1583XETB+T | IC LED DRIVR PHOTO FLASH 10-TDFN |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1583ZETB | 制造商:Maxim Integrated Products 功能描述:WHITE LED CAMERA-FLASH BOOST CONVER - Rail/Tube |
| MAX1583ZETB+ | 制造商:Maxim Integrated Products 功能描述:LED DRVR 5SEGMENT 2.6V TO 5.5V 10TDFN EP - Rail/Tube 制造商:Rochester Electronics LLC 功能描述: |
| MAX1583ZETB+T | 功能描述:LED照明驱动器 White LED Camera Flash Boost Convertr 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 |
| MAX1583ZETB-T | 功能描述:LED照明驱动器 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 |
| MAX1584ETJ | 功能描述:直流/直流开关转换器 5Ch Slim DSC Power Supply RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
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