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参数资料
| 型号： | ADD5203ACPZ-RL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 19/24页 |
| 文件大小： | 0K |
| 描述： | IC LED DRVR WHITE BCKLGT 28LFCSP |
| 标准包装： | 1 |
| 恒定电流： | 是 |
| 拓扑： | PWM，升压（升压） |
| 输出数： | 8 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 背光 |
| 类型 - 次要： | 白色 LED |
| 频率： | 350kHz ~ 1MHz |
| 电源电压： | 6 V ~ 21 V |
| 输出电压： | 45V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-WFQFN 裸露焊盘，CSP |
| 供应商设备封装： | 28-LFCSP-WQ（4x4） |
| 包装： | 标准包装 |
| 工作温度： | -25°C ~ 85°C |
| 其它名称： | ADD5203ACPZ-RLDKR |
ADD5203
Layout Procedure
To achieve high efficiency, good regulation, and stability, a good
PCB layout is required. It is recommended that the reference
board layout be followed as closely as possible because it is
already optimized for high efficiency and low noise.
Use the following general guidelines when designing PCBs:
? Keep C IN close to the V IN and GND leads of the ADD5203.
? Keep the high current path from C IN (through L1) to the
?
?
?
?
Place the compensation components as close as possible to
the COMP pin.
Place the LED current setting resistors as close as possible
to each pin to prevent noise pickup.
Avoid routing noise sensitive traces near high current
traces and components, especially the LED current setting
node (I SET ).
Use a thermal pad size that is the same dimension as the
exposed pad on the bottom of the package.
?
?
?
SW and GND leads as short as possible.
Keep the high current path from C IN (through L1), D1, and
C OUT as short as possible.
Keep high current traces as short and wide as possible.
Keep nodes connected to SW away from sensitive traces,
such as COMP, to prevent coupling of the traces. If such
traces need to be run near each other, place a ground trace
Heat Sinking
When using a surface-mount power IC or external power
switches, the PCB can often be used as the heat sink. This is
accomplished by using the copper area of the PCB to transfer
heat from the device. Users should maximize this area to optimize
thermal performance.
between the two as a shield.
Rev. 0 | Page 19 of 24
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相关代理商/技术参数 |
参数描述 |
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| ADD5205 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Four-String White LED Driver |
| ADD5205ACPZ-RL | 功能描述:IC LED DVR WHITE BCKLGT 12LFCSP RoHS:是 类别:集成电路 (IC) >> PMIC - LED 驱动器 系列:- 标准包装:60 系列:- 恒定电流:- 恒定电压:- 拓扑:线性（LDO），PWM，升压（升压） 输出数:8 内部驱动器:是 类型 - 主要:背光 类型 - 次要:RGB，白色 LED 频率:500kHz ~ 1.5MHz 电源电压:4.75 V ~ 26 V 输出电压:45V 安装类型:* 封装/外壳:* 供应商设备封装:* 包装:* 工作温度:-40°C ~ 85°C |
| ADD5207 | 制造商:AD 制造商全称:Analog Devices 功能描述:Four-String, White LED Driver |
| ADD52070001CPZR | 功能描述:IC LED DRIVER REGULATOR DIM 制造商:analog devices inc. 系列:* 零件状态:上次购买时间 标准包装:1 |
| ADD5207ACPZ | 制造商:Analog Devices 功能描述:DRIVER LED 1MHZ 36V 14LFCSP 制造商:Analog Devices 功能描述:DRIVER, LED, 1MHZ, 36V, 14LFCSP 制造商:Analog Devices 功能描述:DRIVER, LED, 1MHZ, 36V, 14LFCSP, Topology:Boost (Step Up), No. of Outputs:1, Out 制造商:Analog Devices 功能描述:DRIVER, LED, 1MHZ, 36V, 14LFCSP, Topology:Boost (Step Up), No. of Outputs:1, Output Voltage:36V, Driver Case Style:LFCSP, Input Voltage Min:6V, Input Voltage Max:21V, Dimming Control Type:PWM, Switching Frequency:1MHz, Operating , RoHS Compliant: Yes |
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