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SC1102ASTR from SEMTECH

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SC1102ASTR

Manufacturer: SEMTECH, SEMTEC

Synchronous Voltage Mode Controller for Distributed Power Supply Applications

Partnumber Manufacturer Quantity Availability
SC1102ASTR SEMTECH, SEMTEC 2353 In Stock

Description and Introduction

Synchronous Voltage Mode Controller for Distributed Power Supply Applications The part **SC1102ASTR** is manufactured by **SEMTECH**. Below are the specifications, descriptions, and features based on available factual information:  

### **Specifications:**  
- **Manufacturer:** SEMTECH  
- **Part Number:** SC1102ASTR  
- **Type:** Synchronous Buck Controller  
- **Input Voltage Range:** 4.5V to 14V  
- **Output Voltage Range:** Adjustable (typically down to 0.6V)  
- **Switching Frequency:** Adjustable (typically 300kHz to 2MHz)  
- **Maximum Output Current:** Configurable based on external components  
- **Package:** 16-pin TSSOP  

### **Descriptions:**  
- The **SC1102ASTR** is a high-efficiency synchronous buck controller designed for step-down DC-DC conversion.  
- It supports a wide input voltage range, making it suitable for various power supply applications.  
- The device integrates control logic, gate drivers, and protection features for robust performance.  

### **Features:**  
- **Adjustable Output Voltage:** Supports external resistor divider for flexible output settings.  
- **Programmable Switching Frequency:** Allows optimization for efficiency and component size.  
- **Integrated Gate Drivers:** Reduces external component count.  
- **Protection Features:** Includes overcurrent protection (OCP), undervoltage lockout (UVLO), and thermal shutdown.  
- **Low Quiescent Current:** Enhances efficiency in light-load conditions.  

For exact performance characteristics and application details, refer to the official **SEMTECH datasheet** for the **SC1102ASTR**.

Application Scenarios & Design Considerations

Synchronous Voltage Mode Controller for Distributed Power Supply Applications

Alternative Part Number

  • LM2596S-ADJ --: Widely available step-down switching regulator with adjustable output, functionally similar to the SC1102 buck converter and easy to source as a replacement.
  • MC34063A --: Versatile DC-DC switching regulator controller usable in buck configurations, a common low-cost substitute for simple step-down regulator designs.
  • AP1501-ADJ --: Adjustable step-down switching regulator in a similar power class, offering a practical alternative when the original Semtech part is unavailable.
  • XL4015E1 --: Modern buck converter IC with comparable switching regulator functionality and good availability for power supply designs.

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