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参数资料
| 型号： | NCP1529MUTBGEVB |
| 厂商： | ON Semiconductor |
| 文件页数： | 14/16页 |
| 文件大小： | 0K |
| 描述： | EVAL BOARD FOR NCP1529MUTBG |
| 设计资源： | NCP1529MUTBGEVB BOM NCP1529MUTBGEVB Gerber Files NCP1529MUTBGEVB Schematic |
| 标准包装： | 1 |
| 主要目的： | DC/DC，步降 |
| 输出及类型： | 1，非隔离 |
| 输出电压： | 0.9 V ~ 3.9 V |
| 电流 - 输出： | 1A |
| 输入电压： | 3.6V |
| 稳压器拓扑结构： | 降压 |
| 频率 - 开关： | 1.7MHz |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | NCP1529 |
| 其它名称： | NCP1529MUTBGEVBOS |
NCP1529
LAYOUT CONSIDERATIONS
Electrical Layout Considerations
Implementing a high frequency DC ? DC converter
requires respect of some rules to get a powerful portable
application. Good layout is key to prevent switching
regulators to generate noise to application and to
themselves.
Electrical layout guide lines are:
? Use short and large traces when large amount of current
is flowing.
? Keep the same ground reference for input and output
capacitors to minimize the loop formed by high current
path from the battery to the ground plane.
? Isolate feedback pin from the switching pin and the
current loop to protect against any external parasitic
signal coupling. Add a feed ? forward capacitor between
V OUT and FB which adds a zero to the loop and
participates to the good loop stability. A 18 pF
capacitor is recommended to meet compensation
requirements.
A four layer PCB with a ground plane and a power plane
will help NCP1529 noise immunity and loop stability.
Thermal Layout Considerations
High power dissipation in small package leads to thermal
consideration such as:
? Enlarge V IN trace and added several vias connected to
power plane.
? Connect GND pin to top plane.
? Join top, bottom and each ground plane together using
several free vias in order to increase radiator size.
For high ambient temperature and high power dissipation
requirements, UDFN6 package using exposed pad
connected to main radiator is recommended. Refer to
Notes 7, 8, and 9.
V IN Trace
V OUT
Trace
SW
FB Trace
EN Trace
SW
Trace
Trace
V IN Trace
FB Trace
V OUT
Trace
GND Plane
EN Trace
GND Plane
Figure 30. TSOP ? 5 Recommended Board Layout
ORDERING INFORMATION
Nominal
Figure 31. UDFN6 Recommended Board Layout
Device
NCP1529ASNT1G
NCP1529MUTBG
NCP1529MU12TBG
NCP1529MU135TBG
Output Voltage
Adj
Adj
1.2 V
1.35 V
Marking
DXJ
TL
TC
RC
Package
TSOP ? 5
UDFN6
Shipping ?
3000 / Tape & Reel
3000 / Tape & Reel
?For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
http://onsemi.com
14
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| NCP1530DM25R2G | 功能描述:直流/直流开关转换器 600mA PWM/PFM Buck 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 |
| NCP1530DM27R2 | 功能描述:直流/直流开关转换器 600mA PWM/PFM Buck 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 |
| NCP1530DM27R2G | 功能描述:直流/直流开关转换器 600mA PWM/PFM Buck 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 |
| NCP1530DM30R2 | 功能描述:直流/直流开关转换器 600mA PWM/PFM Buck 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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