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TLE6389G50-1 from INFINEON

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TLE6389G50-1

Manufacturer: INFINEON, LNFINEON

Step-Down DC/DC Controller

Partnumber Manufacturer Quantity Availability
TLE6389G50-1,TLE6389G501 INFINEON, LNFINEON 1663 In Stock

Description and Introduction

Step-Down DC/DC Controller The TLE6389G50-1 is a power management IC (PMIC) manufactured by Infineon Technologies. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Infineon Technologies  
- **Part Number:** TLE6389G50-1  
- **Type:** Power Management IC (PMIC)  
- **Output Voltage:** 5.0 V (fixed)  
- **Output Current:** Up to 3 A  
- **Input Voltage Range:** 4.5 V to 40 V  
- **Operating Temperature Range:** -40°C to +150°C  
- **Package:** PG-DSO-14 (Exposed Pad)  
- **Switching Frequency:** Adjustable (typically 300 kHz to 2.2 MHz)  
- **Efficiency:** High efficiency (>90% typical)  
- **Protection Features:** Overcurrent, overtemperature, undervoltage lockout (UVLO)  

### **Descriptions:**
- The TLE6389G50-1 is a step-down (buck) DC-DC converter designed for automotive and industrial applications.  
- It provides a stable 5 V output from a wide input voltage range, making it suitable for battery-powered and harsh environments.  
- The device integrates a high-side MOSFET and control circuitry for compact and efficient power conversion.  

### **Features:**
- **Wide Input Voltage Range:** Supports 4.5 V to 40 V operation.  
- **High Output Current:** Capable of delivering up to 3 A.  
- **Adjustable Switching Frequency:** Allows optimization for efficiency and EMI performance.  
- **Integrated Power MOSFET:** Reduces external component count.  
- **Robust Protection:** Includes overcurrent, overtemperature, and undervoltage lockout (UVLO) protection.  
- **Automotive-Grade:** Designed to meet automotive reliability and quality standards (AEC-Q100 qualified).  
- **Low Quiescent Current:** Enhances efficiency in standby modes.  

This information is based solely on the available technical details for the TLE6389G50-1 from Infineon.

Application Scenarios & Design Considerations

Step-Down DC/DC Controller

Alternative Part Number

  • L5973D --: Step-down switching regulator with comparable input voltage range and current capability, widely available and pin-compatible in many designs.
  • LM2596S-5.0 --: Fixed 5V buck regulator with similar current rating and thermal performance, well-established and easy to source.
  • MC34063A --: Versatile DC-DC converter IC that can be configured as a step-down regulator, low cost and widely stocked as a fallback option.

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