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LTC1538IG-AUX from LINEAR

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LTC1538IG-AUX

Manufacturer: LINEAR

Dual High Efficiency/ Low Noise/ Synchronous Step-Down Switching Regulators

Partnumber Manufacturer Quantity Availability
LTC1538IG-AUX,LTC1538IGAUX LINEAR 64 In Stock

Description and Introduction

Dual High Efficiency/ Low Noise/ Synchronous Step-Down Switching Regulators The LTC1538IG-AUX is a dual synchronous switching regulator controller manufactured by Linear Technology (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual information:  

### **Specifications:**  
- **Input Voltage Range:** 4V to 36V  
- **Output Voltage Range:** Adjustable (depends on external components)  
- **Switching Frequency:** 550kHz (fixed)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 28-Lead SSOP  
- **Dual Outputs:** Two independent synchronous buck controllers  
- **Efficiency:** Up to 95%  
- **Current Limit:** Adjustable  

### **Descriptions:**  
- The LTC1538IG-AUX is designed for high-efficiency, dual-output step-down DC/DC conversion.  
- It includes two synchronous switching regulator controllers with integrated drivers for external N-channel MOSFETs.  
- Suitable for applications requiring precise voltage regulation and high power efficiency.  

### **Features:**  
- **Dual Independent Controllers:** Allows two regulated outputs from a single input.  
- **Synchronous Operation:** Improves efficiency by reducing power loss.  
- **Adjustable Current Limit:** Provides protection for external MOSFETs.  
- **Soft-Start Function:** Prevents inrush current at startup.  
- **Low Dropout Operation:** Maintains regulation even when input voltage is close to output.  
- **Wide Input Voltage Range:** Supports 4V to 36V input.  
- **Fixed Frequency PWM Operation:** Reduces noise and simplifies filtering.  

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

Application Scenarios & Design Considerations

Dual High Efficiency/ Low Noise/ Synchronous Step-Down Switching Regulators
Partnumber Manufacturer Quantity Availability
LTC1538IG-AUX,LTC1538IGAUX LT 149 In Stock

Description and Introduction

Dual High Efficiency/ Low Noise/ Synchronous Step-Down Switching Regulators The LTC1538IG-AUX is a dual synchronous switching regulator controller manufactured by Linear Technology (now part of Analog Devices).  

### **Key Specifications:**  
- **Input Voltage Range:** 4V to 36V  
- **Output Voltage Range:** Adjustable (depends on external components)  
- **Switching Frequency:** 550kHz (fixed)  
- **Output Current:** Controller requires external MOSFETs (current capability depends on external components)  
- **Operating Temperature Range:** -40°C to 85°C  
- **Package:** 28-Lead SSOP  

### **Descriptions and Features:**  
- **Dual Controller:** Manages two independent synchronous buck regulators.  
- **High Efficiency:** Uses synchronous rectification for improved efficiency.  
- **Current Mode Control:** Provides fast transient response and stable operation.  
- **Soft-Start:** Reduces inrush current during startup.  
- **Adjustable Output Voltage:** Set via external resistors.  
- **Power Good Indicator:** Monitors output voltage status.  
- **Low Shutdown Current:** Consumes minimal power when disabled.  
- **Synchronization Capability:** Can sync to an external clock.  

This IC is designed for power supply applications requiring high efficiency and precise regulation.

Application Scenarios & Design Considerations

Dual High Efficiency/ Low Noise/ Synchronous Step-Down Switching Regulators

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