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TPS51221RTVT from BB/TI

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TPS51221RTVT

Manufacturer: BB/TI

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

Partnumber Manufacturer Quantity Availability
TPS51221RTVT BB/TI 939 In Stock

Description and Introduction

Fixed Frequency 99% Duty Cycle Peak Current Mode Notebook System Power Dual Controller 32-WQFN -40 to 85 The TPS51221RTVT is a DDR memory power supply controller manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage:** Adjustable for DDR2, DDR3, DDR3L, DDR4, and LPDDR4  
- **Switching Frequency:** 300kHz to 1MHz  
- **Package:** 16-pin WQFN (3mm x 3mm)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The TPS51221RTVT is a synchronous buck controller designed for DDR memory power applications. It provides VDDQ and VTT power rails with tracking and sink/source capability.  

### **Features:**  
- Supports DDR2, DDR3, DDR3L, DDR4, and LPDDR4 memory standards  
- Integrated VTT LDO with sink/source capability  
- Adjustable output voltage for VDDQ and VTT  
- Power-good indicator  
- Overcurrent and thermal protection  
- Low external component count  

This information is sourced from the official Texas Instruments datasheet for the TPS51221RTVT.

Application Scenarios & Design Considerations

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

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