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CS51312 from ON,ON Semiconductor

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CS51312

Manufacturer: ON

Synchronous CPU Buck Controller for 12V Only Applications

Partnumber Manufacturer Quantity Availability
CS51312 ON 123 In Stock

Description and Introduction

Synchronous CPU Buck Controller for 12V Only Applications The **CS51312** from **ON Semiconductor** is a high-performance synchronous buck controller designed for efficient DC-DC voltage regulation in demanding applications. This component is engineered to deliver precise power conversion with high efficiency, making it suitable for a wide range of industrial, computing, and telecommunications systems.  

Featuring a **voltage-mode control architecture**, the CS51312 supports input voltages ranging from **4.5V to 18V**, with an adjustable output voltage down to **0.8V**. Its integrated **MOSFET drivers** and **adaptive dead-time control** optimize switching performance, reducing power losses and improving thermal management. The device also includes **soft-start functionality**, **overcurrent protection**, and **thermal shutdown**, ensuring reliable operation under varying load conditions.  

With a switching frequency of up to **1MHz**, the CS51312 enables compact power supply designs while minimizing external component count. Its **synchronization capability** allows for multi-phase operation, enhancing power delivery in high-current applications.  

Engineers favor the CS51312 for its **robust performance**, **flexibility in design**, and **comprehensive protection features**, making it a dependable choice for modern power management solutions. Whether used in servers, networking equipment, or embedded systems, this controller provides a balance of efficiency, precision, and reliability.

Partnumber Manufacturer Quantity Availability
CS51312 ON 9 In Stock

Description and Introduction

Synchronous CPU Buck Controller for 12V Only Applications The part **CS51312** is manufactured by **ON Semiconductor**.  

### **Key Specifications:**  
- **Type:** Synchronous Buck Controller  
- **Input Voltage Range:** 4.5V to 40V  
- **Output Voltage Range:** Adjustable (down to 0.9V)  
- **Switching Frequency:** Up to 500kHz  
- **Efficiency:** High efficiency (typically >90%)  
- **Features:**  
  - Synchronous rectification  
  - Adjustable soft-start  
  - Overcurrent protection  
  - Thermal shutdown  

For detailed specifications, refer to the official **ON Semiconductor datasheet** for **CS51312**.

Partnumber Manufacturer Quantity Availability
CS51312 CS 950 In Stock

Description and Introduction

Synchronous CPU Buck Controller for 12V Only Applications The part **CS51312** is manufactured by **Cherry Semiconductor (CS)**.  

### **Specifications:**  
- **Type:** Step-Down (Buck) Switching Regulator  
- **Input Voltage Range:** 4.5V to 40V  
- **Output Voltage Range:** Adjustable (via external resistors)  
- **Output Current:** Up to 1.5A  
- **Switching Frequency:** 100 kHz  
- **Efficiency:** Up to 90%  
- **Package:** TO-220 (5-pin)  
- **Features:**  
  - Internal NPN switch  
  - Cycle-by-cycle current limiting  
  - Thermal shutdown protection  
  - Soft-start capability  

This information is based on the manufacturer's datasheet for the CS51312.

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