- 制造厂商：TI
- 产品类别：电源管理
- 技术类目：直流/直流开关稳压器 - 降压稳压器
- 功能描述：具有集成 Mosfet 驱动器的二相同步降压控制器
- 点击这里打开及下载TPS40131的技术文档资料
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The TPS40131 is a two-phase synchronous buck controller thatis optimized for low-output voltage, high-output current applications powered from a supply between 1 V and 40 V. A multi-phase converter offers several advantages over a single power stage including lower current ripple on the input and output capacitors, faster transient response to load steps, improved power handling capabilities, and higher system efficiency.
Each phase can be operated at a switching frequency up to 1 MHz, resulting in an effective ripple frequency of up to 2 MHz at the input and the output. The two phases operates 180 degrees out-of-phase.
- Supports 5-V Output
- Two-Phase Interleaved Operation
- Operates With Pre-Biased Outputs
- 1-V to 40-V Power Stage Operation Range
- Requires VIN5 @ 50 mA (typ) Depending on External MOSFETs and Switching Frequency
- 10-μA Shutdown Current
- Programmable Switching Frequency up to 1 MHz/Phase
- Current Mode Control with Forced Current Sharing
- Better than 1% Internal 0.7-V Reference
- Resistive Divider Sets Direct Output Over Voltage Threshold.
- Programmable Input Undervoltage Lockout
- True Remote Sensing Differential Amplifier
- Resistive or Inductor’s DCR Current Sensing
- 32-Pin QFN Package
- Can Be Used with TPS40120 to Provide a 6-Bit Digitally Controlled Output
- APPLICATIONS
- Point-of-Load Converter
- Graphic Cards
- Internet Servers
- Networking Equipment
- Telecommunications Equipment
- DC Power Distributed Systems
- Vin (Min) (V)
- 1
- Vin (Max) (V)
- 40
- Vout (Min) (V)
- 0.7
- Vout (Max) (V)
- 5.8
- Iout (Max) (A)
- 50
- Iq (Typ) (uA)
- 1000
- Switching frequency (Min) (kHz)
- 100
- Switching frequency (Max) (kHz)
- 1000
- Features
- Enable, Frequency Synchronization, Phase Interleaving, Power Good, Pre-Bias Start-Up, Remote Sense, Synchronous Rectification
- Regulated outputs (#)
- 2
- Number of phases
- 2
- Rating
- Catalog
TPS40131的完整型号有：TPS40131RHBR、TPS40131RHBT，以下是这些产品的关键参数及官网采购报价：
TPS40131RHBR，工作温度：-40 to 85，封装：VQFN (RHB)-32，包装数量MPQ：3000个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：NIPDAU，TI官网TPS40131RHBR的批量USD价格：1.32（1000+）
TPS40131RHBT，工作温度：-40 to 85，封装：VQFN (RHB)-32，包装数量MPQ：250个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：NIPDAU，TI官网TPS40131RHBT的批量USD价格：1.584（1000+）
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