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TPS51117PW from TI,Texas Instruments

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TPS51117PW

Manufacturer: TI

1.8V to 28V Input Sync. Step Down Controller with DCAP? Mode, Optimized for Light Load Efficiency 14-TSSOP -40 to 85

Partnumber Manufacturer Quantity Availability
TPS51117PW TI 1998 In Stock

Description and Introduction

1.8V to 28V Input Sync. Step Down Controller with DCAP? Mode, Optimized for Light Load Efficiency 14-TSSOP -40 to 85 The TPS51117PW is a power management IC manufactured by Texas Instruments (TI). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Description:**  
The TPS51117PW is a synchronous buck controller designed for generating core supply voltages in notebook computers and other portable systems. It supports high-efficiency power conversion with adaptive on-time control for fast transient response.  

### **Key Features:**  
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** Adjustable from 0.7V to 5.5V  
- **Switching Frequency:** Adjustable (300kHz to 1MHz)  
- **Control Method:** D-CAP™ (Adaptive On-Time Control) for fast transient response  
- **Efficiency Optimization:** Supports low-side MOSFET RDS(ON) sensing for improved efficiency  
- **Protection Features:**  
  - Overvoltage protection (OVP)  
  - Undervoltage lockout (UVLO)  
  - Overcurrent protection (OCP)  
  - Thermal shutdown  
- **Package:** 20-pin TSSOP (PW)  

### **Applications:**  
- Notebook and ultrabook power supplies  
- Point-of-load (POL) regulators  
- Industrial and embedded systems  

This information is based on TI's official datasheet and product documentation.

Application Scenarios & Design Considerations

1.8V to 28V Input Sync. Step Down Controller with DCAP? Mode, Optimized for Light Load Efficiency 14-TSSOP -40 to 85

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