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LD3985G50R from ST,ST Microelectronics

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LD3985G50R

Manufacturer: ST

ULTRA LOW DROP-LOW NOISE BICMOS VOLTAGE REGULATORS LOW ESR CAPACITORS COMPATIBLE

Partnumber Manufacturer Quantity Availability
LD3985G50R ST 6000 In Stock

Description and Introduction

ULTRA LOW DROP-LOW NOISE BICMOS VOLTAGE REGULATORS LOW ESR CAPACITORS COMPATIBLE The LD3985G50R is a low-dropout (LDO) voltage regulator manufactured by STMicroelectronics (ST).  

### **Specifications:**  
- **Output Voltage:** 5.0 V  
- **Output Current:** 300 mA  
- **Dropout Voltage:** 200 mV (typical) at 300 mA  
- **Input Voltage Range:** 2.5 V to 6.0 V  
- **Low Quiescent Current:** 50 µA (typical)  
- **High PSRR:** 70 dB at 1 kHz  
- **Low Noise:** 30 µV RMS (10 Hz to 100 kHz)  
- **Thermal Shutdown Protection:** Yes  
- **Short-Circuit Protection:** Yes  
- **Package:** SOT-23-5  

### **Descriptions & Features:**  
- Designed for battery-powered applications.  
- Stable with low-ESR ceramic capacitors (≥ 1 µF).  
- Fast transient response.  
- Suitable for portable and noise-sensitive applications.  
- AEC-Q100 qualified (automotive-grade available).  

This regulator is commonly used in power management for consumer electronics, IoT devices, and automotive systems.  

(Source: STMicroelectronics datasheet)

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