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参数资料
| 型号： | TPS62063DSGT |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 1.6 A SWITCHING REGULATOR, 3400 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封装： | 2 X 2 MM, 0.75 MM HEIGHT, GREEN, PLASTIC, WSON-8 |
| 文件页数： | 10/26页 |
| 文件大小： | 1109K |
| 代理商： | TPS62063DSGT |
V
IN
V
OUT
GND
L
C
IN
C
OUT
R1
R2
C
FF
GND
Enable
Mode
7.19 mm
5.08 mm
3.81 mm
2.54 mm
SLVSA95A
– MARCH 2010 – REVISED JANUARY 2011
LAYOUT CONSIDERATIONS
vertical spacer
Figure 24. PCB Layout
As for all switching power supplies, the layout is an important step in the design. Proper function of the device
demands careful attention to PCB layout. Care must be taken in board layout to get the specified performance. If
the layout is not carefully done, the regulator could show poor line and/or load regulation, stability issues as well
as EMI and thermal problems. It is critical to provide a low inductance, impedance ground path. Therefore, use
wide and short traces for the main current paths. The input capacitor should be placed as close as possible to
the IC pins as well as the inductor and output capacitor.
Connect the AGND and PGND Pins of the device to the PowerPAD
land of the PCB and use this pad as a star
point. Use a common Power PGND node and a different node for the Signal AGND to minimize the effects of
ground noise. The FB divider network should be connected right to the output capacitor and the FB line must be
routed away from noisy components and traces (e.g., SW line).
Due to the small package of this converter and the overall small solution size the thermal performance of the
PCB layout is important. To get a good thermal performance a four or more Layer PCB design is recommended.
The PowerPAD of the IC must be soldered on the power pad area on the PCB to get a proper thermal
connection. For good thermal performance the PowerPAD on the PCB needs to be connected to an inner GND
plane with sufficient via connections. Please refer to the documentation of the evaluation kit.
18
2010–2011, Texas Instruments Incorporated
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相关代理商/技术参数 |
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| TPS62065-67EVM-347 | 功能描述:电源管理IC开发工具 Eval Mod for 3MHz,2A Step-Down Converter 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 |
| TPS62065-67EVM-347 | 制造商:Texas Instruments 功能描述:STEP-DOWN DC/DC CONVERTER EVAL. MODULE |
| TPS62065DSGR | 功能描述:直流/直流开关转换器 3MHz 2A 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 |
| TPS62065DSGT | 功能描述:直流/直流开关转换器 3MHz 2A 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 |
| TPS62065DSGT | 制造商:Texas Instruments 功能描述:VOLTAGE REGULATOR IC 制造商:Texas Instruments 功能描述:IC, STEP-DOWN CONVERTER, WSON-8 |
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