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LTC1628CG-SYNC#TR from LT

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LTC1628CG-SYNC#TR

Manufacturer: LT

High Efficiency, 2-Phase Synchronous Step-Down Switching Regulator

Partnumber Manufacturer Quantity Availability
LTC1628CG-SYNC#TR,LTC1628CGSYNCTR LT 643 In Stock

Description and Introduction

High Efficiency, 2-Phase Synchronous Step-Down Switching Regulator The LTC1628CG-SYNC#TR is a synchronous step-down switching regulator controller manufactured by Linear Technology (now part of Analog Devices). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Linear Technology (LT)  
- **Part Number:** LTC1628CG-SYNC#TR  
- **Package:** 16-Lead SSOP (CG)  
- **Input Voltage Range:** 4V to 36V  
- **Output Voltage Range:** Adjustable down to 0.8V  
- **Switching Frequency:** 200kHz (synchronizable up to 300kHz)  
- **Maximum Output Current:** Dependent on external MOSFETs  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** 0°C to 70°C  
- **Control Method:** Current-mode PWM  
- **Synchronization Capability:** Yes (SYNC pin for external clock)  

### **Descriptions:**
- The LTC1628CG-SYNC#TR is a high-efficiency synchronous step-down DC/DC controller designed for applications requiring high power density and efficiency.  
- It drives external N-channel MOSFETs in a synchronous rectified buck topology.  
- The device includes features such as programmable soft-start, current limiting, and synchronization capability for noise-sensitive applications.  

### **Features:**
- **Synchronous Operation:** Reduces power loss by replacing the Schottky diode with a MOSFET.  
- **Adjustable Output Voltage:** Can be set as low as 0.8V using an external resistor divider.  
- **Current-Mode Control:** Provides fast transient response and simplified loop compensation.  
- **Programmable Soft-Start:** Reduces inrush current during startup.  
- **Synchronization Input (SYNC):** Allows the switching frequency to be synchronized to an external clock (up to 300kHz).  
- **Low Shutdown Current:** Typically 20µA when disabled.  
- **Wide Input Voltage Range:** Supports 4V to 36V operation.  
- **Thermal Protection:** Includes overtemperature shutdown.  

This information is strictly based on the manufacturer's datasheet and specifications.

Application Scenarios & Design Considerations

High Efficiency, 2-Phase Synchronous Step-Down Switching Regulator

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