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参数资料
| 型号： | NCP1526EVB |
| 厂商： | ON Semiconductor |
| 文件页数： | 14/17页 |
| 文件大小： | 0K |
| 描述： | EVAL BOARD FOR NCP1526 |
| 设计资源： | NCP1526EVB BOM NCP1526EVB Schematic NCP1526EVB Gerber Files |
| 标准包装： | 1 |
| 主要目的： | DC/DC，步降 |
| 输出及类型： | 2，非隔离 |
| 输出电压： | 1.2V，2.8V |
| 电流 - 输出： | 400mA |
| 输入电压： | 3.6V |
| 稳压器拓扑结构： | 降压 |
| 频率 - 开关： | 3MHz |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | NCP1526 |
| 其它名称： | NCP1526EVBOS |
NCP1526
APPLICATION BOARD
PCB Layout Recommendations
Good PCB layout plays an important role in switching
mode power conversion. Careful PCB layout can help to
minimize ground bounce, EMI noise and unwanted
feedback that can affect the performance of the converter.
Hints suggested below can be used as a guideline in most
situations.
1. Use star?ground connection to connect the IC
ground nodes and capacitor GND nodes together
at one point. Keep them as close as possible, and
then connect this to the ground plane through
several vias. This will reduce noise in the ground
plane by preventing the switching currents from
flowing through the ground plane.
2. Place the power components (i.e., input capacitor,
inductor and output capacitor) as close together
as possible for best performance. All connecting
traces must be short, direct, and wide to reduce
voltage errors caused by resistive losses through
the traces.
3. Separate the feedback path of the output voltage
from the power path. Keep this path close to the
NCP1526 circuit. And also route it away from
noisy components. This will prevent noise from
coupling into the voltage feedback trace.
The following shows the NCP1526 demo board
schematic and layout and bill of materials:
V battery
1
FB
VIN1 10
C1
OFF
OFF
ON
ON
BUCK
LDO
2 EN1
3 EN2
LX
GND1
9
8
L1
V out BUCK
C5
4
GND2
VIN2
7
5
BYPASS
V1
6
V out LDO
C4
C2
C3
Figure 25. NCP1526 Board Schematic
Figure 26. NCP1526 Board Layout
http://onsemi.com
14
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相关代理商/技术参数 |
参数描述 |
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| NCP1526MUTXG | 功能描述:直流/直流开关转换器 BUCK REG AND LDO 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 |
| NCP1529ASNT1G | 功能描述:直流/直流开关转换器 STEP-DOWN CONVERTER 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 |
| NCP1529ASNT1GEVB | 功能描述:电源管理IC开发工具 NCP1529 EVAL BOARD RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| NCP1529MU12TBG | 功能描述:直流/直流开关转换器 1.20V STEP-DOWN DC-DC CON 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 |
| NCP1529MU135TBG | 功能描述:直流/直流开关转换器 1.35V STEP-DOWN DC-DC CON 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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