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TPS51222RTVR from TI,Texas Instruments

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TPS51222RTVR

Manufacturer: TI

Fixed-Frequency, 99% Duty Cycle Peak Current-Mode Notebook System Power Controller 32-WQFN -40 to 85

Partnumber Manufacturer Quantity Availability
TPS51222RTVR TI 638 In Stock

Description and Introduction

Fixed-Frequency, 99% Duty Cycle Peak Current-Mode Notebook System Power Controller 32-WQFN -40 to 85 The TPS51222RTVR is a DDR termination regulator manufactured by Texas Instruments (TI). Here are its specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 2.5V to 5.5V  
- **Output Voltage Range:** 0.5V to 1.8V (adjustable)  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 300kHz to 1.2MHz (adjustable)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-pin WQFN (3mm × 3mm)  

### **Descriptions:**  
The TPS51222RTVR is a synchronous buck converter designed specifically for DDR memory termination applications. It provides a low-noise, high-efficiency solution for generating VTT and VTTR voltages in DDR2, DDR3, DDR3L, and DDR4 memory systems.  

### **Features:**  
- Integrated MOSFETs for compact design  
- Adjustable output voltage via external resistors  
- Supports both sink and source current for VTT termination  
- Fast transient response for DDR memory requirements  
- Power-good indicator for system monitoring  
- Overcurrent and thermal protection  
- Low quiescent current for power-saving modes  

This information is based on TI's official datasheet for the TPS51222RTVR.

Application Scenarios & Design Considerations

Fixed-Frequency, 99% Duty Cycle Peak Current-Mode Notebook System Power Controller 32-WQFN -40 to 85

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