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LTC3728LXCUH#TRPBF from LINEAR

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LTC3728LXCUH#TRPBF

Manufacturer: LINEAR

Dual, 550kHz, 2-Phase Synchronous Regulators

Partnumber Manufacturer Quantity Availability
LTC3728LXCUH#TRPBF,LTC3728LXCUHTRPBF LINEAR 3161 In Stock

Description and Introduction

Dual, 550kHz, 2-Phase Synchronous Regulators The LTC3728LXCUH#TRPBF is a product from **Linear Technology (now part of Analog Devices)**.  

### **Specifications:**  
- **Manufacturer:** LINEAR (Linear Technology)  
- **Part Number:** LTC3728LXCUH#TRPBF  
- **Type:** Synchronous Step-Down Switching Regulator Controller  
- **Input Voltage Range:** 4.5V to 36V  
- **Output Voltage Range:** Adjustable  
- **Switching Frequency:** Up to 600kHz  
- **Topology:** Synchronous Buck  
- **Package:** 32-Lead QFN (5mm x 5mm)  
- **Operating Temperature Range:** -40°C to 125°C  

### **Descriptions:**  
The LTC3728 is a high-performance, dual-phase synchronous step-down switching regulator controller designed for high-power applications. It drives external N-channel MOSFETs and features adaptive voltage positioning to improve transient response.  

### **Features:**  
- **Dual-Phase Operation:** Reduces input and output ripple current.  
- **Adaptive Voltage Positioning:** Enhances transient performance.  
- **Programmable Frequency:** Up to 600kHz.  
- **Current Mode Control:** Ensures stable operation.  
- **Wide Input Voltage Range:** 4.5V to 36V.  
- **Low Shutdown Current:** <1µA.  
- **Thermally Enhanced Package:** 32-Lead QFN.  

This information is based solely on manufacturer specifications.

Application Scenarios & Design Considerations

Dual, 550kHz, 2-Phase Synchronous Regulators
Partnumber Manufacturer Quantity Availability
LTC3728LXCUH#TRPBF,LTC3728LXCUHTRPBF LT 5378 In Stock

Description and Introduction

Dual, 550kHz, 2-Phase Synchronous Regulators The LTC3728LXCUH#TRPBF is a dual synchronous step-down switching regulator controller manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 36V  
- **Output Voltage Range:** 0.8V to 5.5V (adjustable)  
- **Switching Frequency:** 50kHz to 900kHz (programmable)  
- **Maximum Duty Cycle:** 100%  
- **Operating Temperature Range:** -40°C to 125°C  
- **Package:** 32-Lead QFN (5mm x 5mm)  
- **Topology:** Synchronous Buck Controller  
- **Number of Outputs:** Dual  
- **Current Mode Control:** Yes  
- **Synchronous Rectification:** Yes  
- **Efficiency:** Up to 95%  

### **Descriptions:**  
The LTC3728LXCUH#TRPBF is designed for high-efficiency, dual-output step-down DC/DC conversion. It features current-mode control for fast transient response and can be synchronized to an external clock. The device supports adjustable output voltages and operates over a wide input voltage range, making it suitable for various power supply applications.  

### **Features:**  
- Dual independent synchronous buck controllers  
- Programmable switching frequency (50kHz to 900kHz)  
- Phase-lockable oscillator for noise-sensitive applications  
- Adjustable current limit  
- Power good indicators for each output  
- Low shutdown current (<10μA)  
- Soft-start capability  
- Overvoltage and undervoltage protection  

This regulator is commonly used in industrial, automotive, and telecom power supply designs.

Application Scenarios & Design Considerations

Dual, 550kHz, 2-Phase Synchronous Regulators

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