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LD3985M33R from ST,ST Microelectronics

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LD3985M33R

Manufacturer: ST

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

Partnumber Manufacturer Quantity Availability
LD3985M33R ST 6000 In Stock

Description and Introduction

ULTRA LOW DROP LOW NOISE BICMOS VOLTAGE REGULATORS LOW ESR CAPACITORS COMPATIBLE The LD3985M33R is a low-dropout (LDO) voltage regulator manufactured by STMicroelectronics. Below are its key specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**
- **Output Voltage:** 3.3V (fixed)  
- **Output Current:** Up to 150mA  
- **Dropout Voltage:** 130mV (typical) at 100mA load  
- **Input Voltage Range:** 2.5V to 6.0V  
- **Low Quiescent Current:** 50µA (typical)  
- **High PSRR:** 70dB at 1kHz  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-5  

### **Descriptions:**
The LD3985M33R is a CMOS LDO voltage regulator designed for battery-powered applications, providing stable 3.3V output with low noise and high power supply rejection ratio (PSRR). It is suitable for portable devices, IoT applications, and other low-power systems requiring precise voltage regulation.  

### **Features:**
- **Ultra-Low Dropout Voltage** (130mV typical at 100mA)  
- **Low Noise Output** (30µV RMS typical)  
- **High PSRR** (70dB at 1kHz)  
- **Low Quiescent Current** (50µA typical)  
- **Thermal Shutdown and Current Limit Protection**  
- **Stable with Low-ESR Ceramic Capacitors** (≥1µF)  
- **AEC-Q100 Qualified** (for automotive applications)  

This information is strictly factual from the manufacturer's datasheet. Let me know if you need further details.

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