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LD3985G33R from ST,ST Microelectronics

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LD3985G33R

Manufacturer: ST

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

Partnumber Manufacturer Quantity Availability
LD3985G33R ST 6000 In Stock

Description and Introduction

ULTRA LOW DROP-LOW NOISE BICMOS VOLTAGE REGULATORS LOW ESR CAPACITORS COMPATIBLE The LD3985G33R is a low-dropout (LDO) voltage regulator manufactured by STMicroelectronics. Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Output Current:** 300mA  
- **Dropout Voltage:** 200mV (typical at 300mA load)  
- **Input Voltage Range:** 2.5V to 6.0V  
- **Low Quiescent Current:** 75µA (typical)  
- **High PSRR:** 70dB at 1kHz  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-5  

### **Descriptions:**  
The LD3985G33R is a low-dropout linear regulator designed for battery-powered applications, providing a stable 3.3V output with high efficiency. It features low noise and high power supply ripple rejection (PSRR), making it suitable for noise-sensitive applications such as RF circuits and portable devices.  

### **Features:**  
- **Low Dropout Voltage:** Ensures efficient operation even with small input-output differentials.  
- **Low Noise & High PSRR:** Improves performance in sensitive analog and RF applications.  
- **Low Quiescent Current:** Extends battery life in portable devices.  
- **Thermal Shutdown & Current Limit Protection:** Enhances reliability under fault conditions.  
- **Stable with Low-ESR Ceramic Capacitors:** Reduces external component count.  

This information is strictly based on the manufacturer's datasheet and technical documentation.

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