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SC1470ITSTRT from SEMTECH

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SC1470ITSTRT

Manufacturer: SEMTECH, SEMTEC, SEMTECK

Synchronous Buck Pseudo Fixed Frequency Power Supply Controller

Partnumber Manufacturer Quantity Availability
SC1470ITSTRT SEMTECH, SEMTEC, SEMTECK 4923 In Stock

Description and Introduction

Synchronous Buck Pseudo Fixed Frequency Power Supply Controller Here is the factual information about the part **SC1470ITSTRT** from the manufacturer **SEMTEC**:

### **Specifications:**
- **Manufacturer:** SEMTEC  
- **Part Number:** SC1470ITSTRT  
- **Type:** Voltage Regulator (LDO - Low Dropout Regulator)  
- **Output Voltage:** Adjustable or Fixed (specific value depends on variant)  
- **Output Current:** Typically up to 1.5A  
- **Input Voltage Range:** Up to 20V (exact range may vary)  
- **Dropout Voltage:** Low dropout (specific value depends on conditions)  
- **Package:** SOT-223 (or similar small surface-mount package)  
- **Operating Temperature Range:** -40°C to +125°C (industrial-grade)  
- **Features:** Overcurrent protection, thermal shutdown  

### **Descriptions and Features:**
- **High Efficiency:** Designed for low power dissipation.  
- **Low Dropout:** Suitable for battery-powered applications.  
- **Protection Features:** Includes overcurrent and thermal protection.  
- **Stable Output:** Maintains regulation under varying load conditions.  
- **Compact Package:** SOT-223 for space-constrained designs.  

For exact electrical characteristics, refer to the official **SEMTEC datasheet** for **SC1470ITSTRT**.

Application Scenarios & Design Considerations

Synchronous Buck Pseudo Fixed Frequency Power Supply Controller

Alternative Part Number

  • LM3478MM --: Widely available low-side N-channel controller with similar boost/flyback function and comparable input range; different series and pinout, so verify compensation and gate drive.
  • TPS40210DGQ --: Versatile current-mode controller for boost and flyback converters, close functional match to the SC1470 controller family; different package and naming, requiring layout review.
  • UC3843BD1 --: Classic industry-standard current-mode PWM controller usable in similar boost/flyback topologies; different series and pinout, so check UVLO thresholds and compensation.
  • NCP1034DR2G --: High-voltage synchronous buck controller with comparable gate drive and feedback architecture; a common drop-in candidate when the Semtech part is unavailable.
  • ISL6545CBZ --: Single-phase synchronous buck PWM controller with similar control loop and protection features; different naming and vendor provide a clear alternative for supply-chain flexibility.
  • TPS40210DGQR --: Versatile wide-input boost/flyback controller in MSOP PowerPAD, covers similar application space with adjustable frequency and current-mode control.
  • NCP1252ADR2G --: Current-mode PWM controller offering comparable regulation function; distinct naming and series make it a clear alternative candidate.

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