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L4938NPD013TR from ST,ST Microelectronics

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L4938NPD013TR

Manufacturer: ST

DUAL MULTIFUNCTION VOLTAGE REGULATOR

Partnumber Manufacturer Quantity Availability
L4938NPD013TR ST 96 In Stock

Description and Introduction

DUAL MULTIFUNCTION VOLTAGE REGULATOR The L4938NPD013TR is a voltage regulator manufactured by STMicroelectronics.  

**Key Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Output Current:** Up to 250mA  
- **Input Voltage Range:** 4.5V to 28V  
- **Low Dropout Voltage:** 300mV (typical at 100mA load)  
- **Low Quiescent Current:** 120µA (typical)  
- **Package:** SOT-23-5L  
- **Operating Temperature Range:** -40°C to +125°C  

**Features:**  
- Very low dropout voltage  
- Low quiescent current  
- Thermal shutdown protection  
- Short-circuit protection  
- Reverse polarity protection  
- Stable with low-ESR ceramic capacitors  

This regulator is designed for automotive and industrial applications requiring reliable power management.

Application Scenarios & Design Considerations

DUAL MULTIFUNCTION VOLTAGE REGULATOR

Alternative Part Number

  • TLE4275G --: Low-dropout linear regulator with similar voltage/current class, widely used as a drop-in substitute for ST L4938-series regulators.
  • MC33269DT-5.0G --: 5V low-dropout regulator in DPAK with comparable current capability and thermal behavior, suitable replacement in automotive-grade designs.
  • LM2940CT-5.0 --: Classic 5V low-dropout regulator with similar input/output characteristics and robust availability as an alternative to the ST device.

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