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TPS53125 - Dual Synchronous Step-Down Controller for Low Voltage Power Rails
TPS53125是TI德州仪器公司的一款控制器(外部开关)产品,TPS53125是Dual Synchronous Step-Down Controller for Low Voltage Power Rails,本站介绍了TPS53125的封装应用图解、特点和优点、功能等,并给出了与TPS53125相关的TI元器件型号供参考。
TPS53125 - Dual Synchronous Step-Down Controller for Low Voltage Power Rails - 控制器(外部开关) - DC/DC开关稳压器 - 德州仪器
- D-CAP2™ Mode Control
- Fast Transient Response
- No External Parts Required for Loop Compensation
- Compatible With Ceramic Output Capacitors
- High Initial Reference Accuracy (±1%)
- Low Output Ripple
- Wide Input Voltage Range: 4.5 V to 24 V
- Output Voltage Range: 0.76 V to 5.5 V
- Low-Side RDS(ON) Loss-Less Current Sensing
- Adaptive Gate Drivers with Integrated Boost Diode
- Adjustable Soft Start
- Non-Sinking Pre-Biased Soft Start
- 350-kHz Switching Frequency
- Cycle-by-Cycle Over-Current Limiting Control
- 30-mV to 300-mV OCP Threshold Voltage
- Thermally Compensated OCP by 4000 ppm/°C at ITRIP
- Point-of-Load Regulation in Low Power Systems for Wide Range of Applications
- Digital TV Power Supply
- Networking Home Terminal
- Digital Set-Top Box (STB)
- DVD Player/Recorder
- Gaming Consoles
The TPS53125 is a dual, adaptive on-time D-CAP2™ mode synchronous buck controller. The part enables system designers to cost effectively complete the suite of various end equipment's power bus regulators with a low external component count and low standby consumption. The main control loop for the TPS53125 uses the D-CAP™ Mode topology which provides a very fast transient response with no external component.
The TPS53125 also has a proprietary circuit that enables the device to adapt not only low equivalent series resistance (ESR) output capacitors such as POSCAP/SP-CAP, but also ceramic capacitor. The part provides a convenient and efficient operation with conversion voltages from 4.5 V to 24 V and output voltage from 0.76 V to 5.5 V.
The TPS53125 is available in 24-pin RGE and PW packages, and is specified from –40°C to 85°C ambient temperature range.
| DEVICE NAME | PACKAGE | BODY SIZE |
|---|---|---|
| TPS53125 | VQFN (24) | 4 mm x 4 mm |
| TSSOP (24) | 4.4 mm x 7.8 mm |
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