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| 型号： | TPS62260DRVT |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 1.2 A SWITCHING REGULATOR, 2500 kHz SWITCHING FREQ-MAX, PDSO6 |
| 封装： | 2 X 2 MM, 0.80 MM HEIGHT, GREEN, PLASTIC, SON-6 |
| 文件页数： | 15/32页 |
| 文件大小： | 1061K |
| 代理商： | TPS62260DRVT |
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GND
C
OUT
C
IN
V
OUT
V
IN
U
L
GND
R1
R2
C1
SLVS763D
– JUNE 2007 – REVISED FEBRUARY 2011
Figure 40. Suggested Layout for Adjustable Output Voltage Version
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 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 GND Pin of the device to the PowerPAD
land of the PCB and use this pad as a star point. Use a
common Power GND node and a different node for the Signal GND to minimize the effects of ground noise.
Connect these ground nodes together to the PowerPAD land (star point) underneath the IC. Keep the common
path to the GND PIN, which returns the small signal components and the high current of the output capacitors as
short as possible to avoid ground noise. The FB line should be connected right to the output capacitor and routed
away from noisy components and traces (e.g., SW line).
22
2007–2011, Texas Instruments Incorporated
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TPS62260DRVT | 制造商:Texas Instruments 功能描述:IC STEP-DOWN CONVERTER SON-6 制造商:Texas Instruments 功能描述:IC, STEP-DOWN CONVERTER, SON-6 |
| TPS62260DRVTG4 | 功能描述:直流/直流开关调节器 2.25MHz 600mA Step- Down Converter RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| TPS62260EVM-229 | 功能描述:电源管理IC开发工具 TPS62260 Eval Mod 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 |
| TPS62260IDRVRQ1 | 功能描述:直流/直流开关转换器 AC 2.25MHz 600mA 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 |
| TPS62260LED-338 | 功能描述:电源管理IC开发工具 TPS62260LED-338 Eval Mod 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 |
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