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TLE4471G from INF

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TLE4471G

Manufacturer: INF, INFINEON

Triple Voltage Regulator

Partnumber Manufacturer Quantity Availability
TLE4471G INF, INFINEON 10002 In Stock

Description and Introduction

Triple Voltage Regulator The TLE4471G is a voltage regulator manufactured by Infineon Technologies. Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Input Voltage Range:** 5.5 V to 45 V  
- **Output Voltage:** 5 V (fixed)  
- **Output Current:** Up to 450 mA  
- **Dropout Voltage:** Typically 0.5 V at 450 mA  
- **Accuracy:** ±2% over temperature range  
- **Operating Temperature Range:** -40°C to +150°C  
- **Quiescent Current:** Typically 40 µA (low-power mode)  
- **Package:** PG-TO252-5 (DPAK-5)  

### **Descriptions:**  
- The TLE4471G is a low-dropout (LDO) voltage regulator designed for automotive and industrial applications.  
- It provides a stable 5 V output with high accuracy and low quiescent current.  
- Features built-in protection functions such as overtemperature, short-circuit, and reverse polarity protection.  
- Suitable for harsh environments due to its wide operating temperature range.  

### **Features:**  
- **Low Dropout Voltage:** Ensures efficient operation even with small input-output differentials.  
- **Low Quiescent Current:** Enhances energy efficiency in standby modes.  
- **Wide Input Voltage Range:** Supports operation from 5.5 V up to 45 V.  
- **Protection Functions:**  
  - Overtemperature shutdown  
  - Short-circuit protection  
  - Reverse polarity protection  
- **Automotive Qualified:** AEC-Q100 compliant for reliability in automotive applications.  
- **Stable with Low ESR Capacitors:** Works reliably with ceramic or electrolytic output capacitors.  

This information is based solely on Infineon's official documentation for the TLE4471G.

Application Scenarios & Design Considerations

Triple Voltage Regulator

Alternative Part Number

  • L5150G --: Low-dropout linear regulator in a similar power package, suitable as a functional substitute for automotive supply regulation.
  • MC33907 --: System basis chip with integrated regulator and watchdog functions, covering the multi-function role of the original device.
  • TLE4275G --: Same manufacturer family of automotive linear regulators with comparable voltage/current ratings, though from a different series.
  • TPS7B6933Q --: Automotive-qualified LDO regulator offering similar voltage regulation function and robustness, suitable as an alternative with layout and thermal verification.

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