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LDS3985M32R from STM,ST Microelectronics

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LDS3985M32R

Manufacturer: STM

ULTRA LOW DROP-LOW NOISE BICMOS 300mA V.REG. FOR USE WITH VERY LOW ESR OUTPUT CAPACITOR

Partnumber Manufacturer Quantity Availability
LDS3985M32R STM 6000 In Stock

Description and Introduction

ULTRA LOW DROP-LOW NOISE BICMOS 300mA V.REG. FOR USE WITH VERY LOW ESR OUTPUT CAPACITOR The LDS3985M32R is a low-dropout (LDO) voltage regulator manufactured by STMicroelectronics (STM). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** 3.2V (fixed)  
- **Output Current:** 300mA  
- **Dropout Voltage:** 200mV (typical) at 300mA  
- **Input Voltage Range:** 2.5V to 6.0V  
- **Quiescent Current:** 40µA (typical)  
- **Line Regulation:** 0.05% (typical)  
- **Load Regulation:** 0.1% (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-5  

### **Descriptions:**
- The LDS3985M32R is a low-power, low-dropout linear regulator designed for battery-powered applications.  
- It provides stable voltage regulation with low noise and high PSRR (Power Supply Rejection Ratio).  
- Suitable for portable devices, IoT applications, and embedded systems.  

### **Features:**
- **Low Dropout Voltage:** Ensures efficient operation even with small input-output differentials.  
- **Low Quiescent Current:** Extends battery life in power-sensitive applications.  
- **Thermal Shutdown & Current Limit Protection:** Enhances reliability under fault conditions.  
- **Stable with Low-ESR Capacitors:** Works with ceramic capacitors (≥1µF).  
- **High PSRR:** Reduces noise for sensitive analog/digital circuits.  

For detailed technical information, refer to the official **STM datasheet**.

Application Scenarios & Design Considerations

ULTRA LOW DROP-LOW NOISE BICMOS 300mA V.REG. FOR USE WITH VERY LOW ESR OUTPUT CAPACITOR

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