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SC803IML.TR from SEMTECH

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SC803IML.TR

Manufacturer: SEMTECH

Fully Integrated High Current Lithium-Ion Battery Charger System

Partnumber Manufacturer Quantity Availability
SC803IML.TR,SC803IMLTR SEMTECH 12094 In Stock

Description and Introduction

Fully Integrated High Current Lithium-Ion Battery Charger System The part **SC803IML.TR** is manufactured by **Semtech**. Below are the specifications, descriptions, and features based on available information:  

### **Specifications:**  
- **Manufacturer:** Semtech  
- **Category:** Power Management IC  
- **Type:** DC-DC Converter  
- **Output Type:** Adjustable  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Voltage Range:** 0.6V to 5.5V  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 1.2MHz (typical)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 10-Pin MLPQ (3mm x 3mm)  

### **Descriptions:**  
The **SC803IML.TR** is a high-efficiency, synchronous step-down DC-DC converter designed for applications requiring a compact power solution. It integrates low-RDS(ON) MOSFETs to minimize power loss and supports a wide input voltage range, making it suitable for battery-powered and portable devices.  

### **Features:**  
- **High Efficiency:** Up to 95% efficiency for extended battery life.  
- **Adjustable Output:** Configurable from 0.6V to 5.5V via external resistors.  
- **Integrated MOSFETs:** Reduces external component count.  
- **Low Quiescent Current:** Improves light-load efficiency.  
- **1.2MHz Switching Frequency:** Allows for small external components.  
- **Protection Features:** Includes over-current, thermal shutdown, and under-voltage lockout (UVLO).  
- **Compact Package:** 10-pin MLPQ (3mm x 3mm) for space-constrained designs.  

This information is based on Semtech's datasheet and product documentation for the **SC803IML.TR**.

Application Scenarios & Design Considerations

Fully Integrated High Current Lithium-Ion Battery Charger System

Alternative Part Number

  • LTC4365ITS8#TRMPBF --: Overvoltage/undervoltage protection controller in TSOT-23, functionally similar to the SC803 protection IC and widely available.
  • TPS2400DBVR --: Overvoltage protection controller in SOT-23-5, comparable clamp/protection function and easy to source.
  • MAX16126TATB+T --: Surge/overvoltage protector in small package, suitable drop-in functional replacement for protection applications.
  • LM317LZ --: Adjustable linear regulator in TO-92, widely available and functionally similar to the SC803 low-dropout regulator for many low-current applications.
  • LP2950CZ-5.0 --: Low-dropout 5V regulator in TO-92 with low quiescent current, a common substitute for small LDO regulators like the SC803.
  • MC78L05ACPG --: Standard 5V linear regulator in TO-92, easy drop-in for low-power regulator designs when exact LDO characteristics are not critical.

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