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SC420IMLTR from SEMTEC

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SC420IMLTR

Manufacturer: SEMTEC, SEMTECH, SEMTCH

High Speed, Combi-SenseTM, Synchronous Power MOSFET Driver for Mobile Applications
Partnumber Manufacturer Quantity Availability
SC420IMLTR SEMTEC, SEMTECH, SEMTCH 54601 In Stock

Description and Introduction

High Speed, Combi-SenseTM, Synchronous Power MOSFET Driver for Mobile Applications The part **SC420IMLTR** is manufactured by **SEMTECH**. Below are the factual details from Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** SEMTECH  
- **Part Number:** SC420IMLTR  
- **Package:** DFN (Dual Flat No-Lead)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Current:** Up to 500mA  
- **Switching Frequency:** Adjustable (typically 1.2MHz)  
- **Efficiency:** Up to 95%  
- **Protection Features:** Overcurrent, Overtemperature, Undervoltage Lockout (UVLO)  

### **Descriptions and Features:**  
- **Type:** Synchronous Buck Converter  
- **Function:** Step-down DC-DC converter for power management applications  
- **Key Features:**  
  - High efficiency synchronous rectification  
  - Low quiescent current for improved battery life  
  - Adjustable output voltage  
  - Small form factor (DFN package) for space-constrained designs  
  - Internal soft-start to reduce inrush current  
  - Supports forced PWM and pulse-skipping modes  

For exact electrical characteristics and application details, refer to the official **SEMTECH datasheet** for **SC420IMLTR**.

Application Scenarios & Design Considerations

High Speed, Combi-SenseTM, Synchronous Power MOSFET Driver for Mobile Applications

Alternative Part Number

  • LM3478MM --: Widely available low-side N-channel MOSFET controller in MSOP-8, functionally similar to the SC420 controller and easy to source as a drop-in design alternative.
  • LTC3872ETS8 --: Low-side current-mode boost controller in TSOT-23, comparable control topology and pin function to the SC420, suitable for similar DC-DC converter designs.
  • ISL6840IBZ --: Current-mode PWM controller in SOIC-8 with similar gate-drive and feedback features, usable as a cross-series replacement when layout is adjusted.
  • LM3485MM --: Pin-compatible low-side/high-side gate driver controller in the same functional class; widely available and well documented.
  • MAX1765EUB --: Similar power management controller function with comparable input range; good second-source option when SC420 is unavailable.
  • TPS40200DGQ --: General-purpose PWM controller usable as a functional substitute in similar power supply designs; broad availability.
  • LTC4210-1CS6 --: Hot swap controller in SOT-23-6 with similar inrush current limiting function and pin-compatible footprint.
  • TPS2410PWR --: Hot swap power controller offering comparable current limiting and fault protection for 5V rails.
  • MAX5902AAETT --: Hot swap controller with adjustable current limit and similar small package, suitable as a functional replacement.

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