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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： | 14/32页 |
| 文件大小： | 1061K |
| 代理商： | TPS62260DRVT |
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SLVS763D
– JUNE 2007 – REVISED FEBRUARY 2011
Input Capacitor Selection
An input capacitor is required for best input voltage filtering, and minimizing the interference with other circuits
caused by high input voltage spikes. For most applications, a 4.7
μF to 10μF ceramic capacitor is recommended.
Because ceramic capacitor loses up to 80% of its initial capacitance at 5 V, it is recommended that 10
μF input
capacitors be used for input voltages
> 4.5V. The input capacitor can be increased without any limit for better
input voltage filtering. Take care when using only small ceramic input capacitors. When a ceramic capacitor is
used at the input and the power is being supplied through long wires, such as from a wall adapter, a load step at
the output or VIN step on the input can induce ringing at the VIN pin. This ringing can couple to the output and
be mistaken as loop instability or could even damage the part by exceeding the maximum ratings.
Table 3. List of Capacitors
CAPACITANCE
TYPE
SIZE
SUPPLIER
4.7
μF
GRM188R60J475K
0603 1.6x0.8x0.8mm3
Murata
10
μF
GRM188R60J106M69D
0603 1.6x0.8x0.8mm3
Murata
LAYOUT CONSIDERATIONS
Figure 39. Suggested Layout for Fixed Output Voltage Options
2007–2011, Texas Instruments Incorporated
21
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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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