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TPS51220RHBRG4 from TI/BB,Texas Instruments

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TPS51220RHBRG4

Manufacturer: TI/BB

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

Partnumber Manufacturer Quantity Availability
TPS51220RHBRG4 TI/BB 3451 In Stock

Description and Introduction

Fixed Frequency, 99% Duty Cycle Peak Current Mode Notebook System Power Controller 32-VQFN -40 to 85 The TPS51220RHBRG4 is a dual-channel LDO (Low Dropout Regulator) and buffer from Texas Instruments (TI).  

### **Specifications:**  
- **Manufacturer:** Texas Instruments (TI)  
- **Package:** VQFN (RHB) – 32-pin  
- **Input Voltage Range:** 1.5V to 5.5V  
- **Output Voltage:**  
  - **LDO Output:** Adjustable from 0.8V to 3.3V  
  - **Buffer Output:** Fixed at 0.9V (typical)  
- **Output Current:**  
  - **LDO:** Up to 3A  
  - **Buffer:** Up to 3A  
- **Dropout Voltage:** Low dropout for high efficiency  
- **Switching Frequency:** Not applicable (linear regulator)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions & Features:**  
- Dual-channel regulator with one adjustable LDO and one fixed-output buffer.  
- Designed for low-noise, high-performance power delivery in computing and industrial applications.  
- Integrated power-good (PG) indicator for monitoring output status.  
- Supports remote sensing for improved voltage regulation.  
- Thermal shutdown and overcurrent protection for reliability.  
- Optimized for DDR memory power applications (VTT termination supply).  

This device is commonly used in motherboards, servers, and embedded systems requiring precise power regulation.

Application Scenarios & Design Considerations

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

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