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SC1532CS from SEMTECH

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SC1532CS

Manufacturer: SEMTECH, SC

400mA SmartLDOTM with Internal Pass MOSFET

Partnumber Manufacturer Quantity Availability
SC1532CS SEMTECH, SC 7795 In Stock

Description and Introduction

400mA SmartLDOTM with Internal Pass MOSFET The SC1532CS is a switching regulator controller manufactured by Semtech. Below are the factual details about its specifications, descriptions, and features:  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 60V  
- **Output Voltage Range:** Adjustable  
- **Switching Frequency:** 100kHz to 500kHz (adjustable)  
- **Maximum Duty Cycle:** 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Type:** SOIC-16  

### **Descriptions:**  
- The SC1532CS is a high-performance, current-mode PWM controller designed for DC-DC converter applications.  
- It supports both buck and boost topologies, making it versatile for various power supply designs.  
- The device includes features such as soft-start, cycle-by-cycle current limiting, and thermal shutdown for enhanced reliability.  

### **Features:**  
- **Wide Input Voltage Range (4.5V to 60V)** – Suitable for industrial and automotive applications.  
- **Adjustable Switching Frequency (100kHz to 500kHz)** – Allows optimization for efficiency and component size.  
- **Current-Mode Control** – Provides improved transient response and simplified loop compensation.  
- **Programmable Soft-Start** – Reduces inrush current during startup.  
- **Cycle-by-Cycle Current Limiting** – Protects against overcurrent conditions.  
- **Thermal Shutdown Protection** – Prevents damage due to excessive heat.  
- **Synchronization Capability** – Can be synchronized to an external clock.  

These details are based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

400mA SmartLDOTM with Internal Pass MOSFET

Alternative Part Number

  • TPS7A4901DGNR --: Low-noise high-PSRR LDO regulator in a similar package, suitable replacement for SC1532CS power regulation applications.
  • LT1963AEST-3.3 --: Widely available low-dropout regulator with comparable current capability and thermal performance.
  • MIC29152WT --: Adjustable LDO regulator offering similar voltage and current ratings, commonly used as a cross-reference for Semtech regulators.
  • LM3485MM --: Pin-compatible step-down controller with similar input voltage range and current capability, widely available and well documented.
  • MAX1776EUA --: Comparable high-voltage step-down DC-DC controller offering similar switching frequency and output current, suitable as a functional substitute.
  • MC34063A --: Versatile general-purpose switching regulator IC that can be configured to match the SC1532CS application, low cost and broadly stocked.
  • LT1963AEQ --: Widely used low-dropout linear regulator with comparable current capability and stability, a common cross-reference for LDO designs.
  • MIC5209YM --: Adjustable low-dropout regulator offering similar voltage and current range, usable as a drop-in style replacement in many circuits.

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