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TPS51125RGER from TI,Texas Instruments

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TPS51125RGER

Manufacturer: TI

Dual-Synchronous, Step-Down Controller with Out-of-AudioT Operation and 100-mA LDOs 24-VQFN -40 to 85

Partnumber Manufacturer Quantity Availability
TPS51125RGER TI 11278 In Stock

Description and Introduction

Dual-Synchronous, Step-Down Controller with Out-of-AudioT Operation and 100-mA LDOs 24-VQFN -40 to 85 The TPS51125RGER is a power management IC manufactured by Texas Instruments (TI). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Texas Instruments (TI)  
- **Part Number:** TPS51125RGER  
- **Package:** 24-VQFN (4x4)  
- **Type:** Synchronous Buck Controller  
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** Adjustable down to 0.8V  
- **Switching Frequency:** Adjustable (250kHz to 700kHz)  
- **Number of Outputs:** 2 (Dual Output)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Duty Cycle (Max):** 90%  

### **Descriptions:**
The TPS51125RGER is a dual-output synchronous buck controller designed for notebook power systems. It provides high efficiency and precise voltage regulation for core and I/O power rails in portable applications. The device supports adjustable frequency operation and integrates power-good monitoring for both outputs.

### **Features:**
- Dual-output synchronous buck controller  
- Wide input voltage range (4.5V to 28V)  
- Adjustable output voltage (down to 0.8V)  
- Programmable switching frequency (250kHz to 700kHz)  
- Integrated power-good indicators for both outputs  
- Supports pre-bias startup  
- Overcurrent protection (OCP)  
- Thermal shutdown protection  
- Low quiescent current in standby mode  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Dual-Synchronous, Step-Down Controller with Out-of-AudioT Operation and 100-mA LDOs 24-VQFN -40 to 85

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