参数资料
| 型号： | TPS54160ADRCR |
| 厂商： | Texas Instruments |
| 文件页数： | 43/55页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK ADJ 1.5A 10SON |
| 标准包装： | 3,000 |
| 系列： | SWIFT™, Eco-Mode™ |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 0.8 V ~ 58 V |
| 输入电压： | 3.5 V ~ 60 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 100kHz ~ 2.5MHz |
| 电流 - 输出： | 1.5A |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 150°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-VFDFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 10-SON 裸露焊盘（3x3） |
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SLVSB56C – MAY 2012 – REVISED FEBRUARY 2014
11 Layout
11.1 Layout Guidelines
Layout is a critical portion of good power supply design. There are several signals paths that conduct fast
changing currents or voltages that can interact with stray inductance or parasitic capacitance to generate noise
or degrade the power supplies performance.
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To help eliminate these problems, the VIN pin should be bypassed to ground with a low ESR ceramic bypass
capacitor with X5R or X7R dielectric.
Care should be taken to minimize the loop area formed by the bypass capacitor connections, the VIN pin, and
the anode of the catch diode.
The GND pin should be tied directly to the power pad under the device and the power pad.
The power pad should be connected to any internal PCB ground planes using multiple vias directly under the
device.
The PH pin should be routed to the cathode of the catch diode and to the output inductor.
Since the PH connection is the switching node, the catch diode and output inductor should be located close
to the PH pins, and the area of the PCB conductor minimized to prevent excessive capacitive coupling.
For operation at full rated load, the top side ground area must provide adequate heat dissipating area.
The RT/CLK pin is sensitive to noise so the RT resistor should be located as close as possible to the device
and routed with minimal lengths of trace.
The additional external components can be placed approximately as shown.
It may be possible to obtain acceptable performance with alternate PCB layouts, however this layout has
been shown to produce good results and is meant as a guideline.
11.2 Layout Example
Vout
Output
Topside
Capacitor
Output
Inductor
Ground
Area
Route Boot Capacitor
Trace on another layer to
provide wide path for
Catch
Diode
topside ground
Input
Bypass
Vin
Capacitor
BOOT
VIN
EN
PH
GND
COMP
UVLO
Adjust
Resistors
Slow Start
Capacitor
SS/TR
RT/CLK
Frequency
Set Resistor
VSENSE
PWRGD
Thermal VIA
Compensation
Network
Resistor
Divider
Signal VIA
Figure 65. PCB Layout Example
Copyright ? 2012–2014, Texas Instruments Incorporated
Product Folder Links: TPS54160 TPS54160A
43
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相关代理商/技术参数 |
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| TPS54160ADRCT | 功能描述:直流/直流开关转换器 3.5-60Vin,1.5A SD 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 |
| TPS54160DGQ | 功能描述:直流/直流开关调节器 3.5-60V 1.5A Step Down SWIFT 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 |
| TPS54160DGQG4 | 功能描述:直流/直流开关调节器 3.5-60V,1.5A Step Down SWIFT 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 |
| TPS54160DGQR | 功能描述:直流/直流开关调节器 3.5-60V 1.5A Step Down SWIFT 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 |
| TPS54160DGQRG4 | 功能描述:直流/直流开关调节器 3.5-60V,1.5A Step Down SWIFT 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 |
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