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TPS53125PW from TI,Texas Instruments

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TPS53125PW

Manufacturer: TI, BB/TI

4.5V-24V input Synchronous DCAP2 Mode Dual Step-Down Controller 24-TSSOP -40 to 85

Partnumber Manufacturer Quantity Availability
TPS53125PW TI, BB/TI 272 In Stock

Description and Introduction

4.5V-24V input Synchronous DCAP2 Mode Dual Step-Down Controller 24-TSSOP -40 to 85 The TPS53125PW is a synchronous buck controller manufactured by Texas Instruments (TI). Here are its specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 25V  
- **Output Voltage Range:** 0.76V to 5.5V  
- **Switching Frequency:** Adjustable from 200kHz to 1MHz  
- **Maximum Output Current:** Up to 25A (with external MOSFETs)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** TSSOP-20 (PW)  

### **Descriptions:**  
The TPS53125PW is a high-performance synchronous buck controller designed for high-current, low-voltage power supply applications. It supports adaptive on-time D-CAP2™ control mode for fast transient response and requires no external compensation. It is commonly used in point-of-load (POL) regulators, telecom, networking, and industrial applications.  

### **Features:**  
- **D-CAP2™ Control Mode:** Provides fast transient response without external compensation.  
- **Adjustable Frequency:** Allows optimization for efficiency and component size.  
- **Integrated Bootstrap Diode:** Reduces external component count.  
- **Precision Reference Voltage:** 0.76V ±1% accuracy.  
- **Power Good Indicator:** Monitors output voltage status.  
- **Overcurrent Protection (OCP):** Prevents damage during fault conditions.  
- **Thermal Shutdown:** Protects the device from overheating.  
- **Soft Start:** Reduces inrush current during startup.  

This information is strictly based on the manufacturer's (TI) datasheet and technical documentation.

Application Scenarios & Design Considerations

4.5V-24V input Synchronous DCAP2 Mode Dual Step-Down Controller 24-TSSOP -40 to 85

Alternative Part Number

  • LM5145RGYR --: Wide-input synchronous buck controller in a different TI series, offering similar step-down regulation and a good functional substitute for the TPS53125PW.
  • ISL8117AFRZ --: Synchronous buck controller with comparable input range and current-mode control, from a different vendor and naming series, suitable as a cross-vendor alternative.
  • LTC3855EUHF --: Multi-phase synchronous step-down controller with similar control architecture, providing a distinct series alternative for the TPS53125PW.
  • LTC3855EUH --: Multi-phase synchronous buck controller with similar control and protection features, offering a cross-vendor alternative with a clearly different naming prefix.

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