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TLE6389GV from Infineon

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TLE6389GV

Manufacturer: Infineon, LNFINEON

Step - Down DC/DC Controller

Partnumber Manufacturer Quantity Availability
TLE6389GV Infineon, LNFINEON 3350 In Stock

Description and Introduction

Step - Down DC/DC Controller The TLE6389GV is a voltage regulator manufactured by Infineon. Below are its key specifications, descriptions, and features based on factual information:

### **Specifications:**
- **Input Voltage Range:** 4.5 V to 40 V  
- **Output Voltage Range:** Adjustable (via external resistors) or fixed (5 V, 3.3 V, etc.)  
- **Output Current:** Up to 500 mA  
- **Dropout Voltage:** Low dropout (LDO) operation  
- **Quiescent Current:** Typically low (e.g., < 100 µA)  
- **Operating Temperature Range:** -40°C to +150°C  
- **Package:** PG-DSO-8 (Exposed Pad)  

### **Descriptions:**
- The TLE6389GV is a low-dropout (LDO) linear voltage regulator designed for automotive and industrial applications.  
- It provides stable output voltage with high accuracy and low noise.  
- Features reverse polarity protection and thermal shutdown for robust operation.  

### **Features:**
- **Wide Input Voltage Range:** Supports operation from 4.5 V to 40 V.  
- **Low Dropout Voltage:** Ensures efficient regulation even with small input-output differentials.  
- **Low Quiescent Current:** Optimized for power-sensitive applications.  
- **Thermal Shutdown & Overcurrent Protection:** Enhances reliability under fault conditions.  
- **Reverse Polarity Protection:** Safeguards against incorrect power supply connections.  
- **AEC-Q100 Qualified:** Suitable for automotive applications.  

For exact values and application-specific details, refer to Infineon’s official datasheet.

Application Scenarios & Design Considerations

Step - Down DC/DC Controller

Alternative Part Number

  • LM5010AMH --: Wide-input-voltage step-down switching regulator with comparable current capability; a common cross for automotive buck converters when layout and frequency are adjusted.
  • L5973D --: Monolithic step-down regulator rated for similar input range and load current, widely used as a drop-in style alternative in 12V/24V automotive rails.
  • MP4560 --: High-voltage buck converter with integrated switch, offering similar input and output capability at lower cost for non-safety-critical designs.
  • LTC3649EUFD --: High-voltage synchronous buck converter with wide input range and integrated switches, suitable as a functional substitute for the TLE6389GV in automotive power supply designs.
  • LM5164DDAR --: Wide-input 100V synchronous buck converter with low quiescent current, offering similar step-down regulation capability and robust thermal performance.
  • MPQ4420GJ --: Automotive-grade synchronous step-down converter with integrated MOSFETs, providing comparable current capability and compact solution size for replacement.

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