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LD3985M25R from ST,ST,ST Microelectronics

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LD3985M25R

Manufacturer: ST,ST

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

Partnumber Manufacturer Quantity Availability
LD3985M25R ST,ST 10000 In Stock

Description and Introduction

ULTRA LOW DROP LOW NOISE BICMOS VOLTAGE REGULATORS LOW ESR CAPACITORS COMPATIBLE The LD3985M25R is a low-dropout (LDO) voltage regulator manufactured by STMicroelectronics (ST).  

### **Specifications:**  
- **Output Voltage:** 2.5V  
- **Output Current:** 150mA  
- **Dropout Voltage:** 160mV (typical) at 100mA load  
- **Input Voltage Range:** 2.5V to 6.0V  
- **Low Quiescent Current:** 50µA (typical)  
- **Low Noise:** 30µVRMS (typical)  
- **High PSRR:** 70dB at 1kHz  
- **Package:** SOT-23-5L  
- **Operating Temperature Range:** -40°C to +125°C  

### **Descriptions and Features:**  
- Ultra-low dropout voltage for efficient power management.  
- Low quiescent current extends battery life in portable applications.  
- Stable with low-ESR ceramic capacitors (≥1µF).  
- Built-in thermal shutdown and current limit protection.  
- Suitable for battery-powered devices, portable equipment, and noise-sensitive applications.  

This information is based on ST's official datasheet for the LD3985M25R.

Partnumber Manufacturer Quantity Availability
LD3985M25R ST 58588 In Stock

Description and Introduction

ULTRA LOW DROP LOW NOISE BICMOS VOLTAGE REGULATORS LOW ESR CAPACITORS COMPATIBLE The LD3985M25R is a low-dropout (LDO) voltage regulator manufactured by STMicroelectronics (ST).  

### **Specifications:**  
- **Output Voltage:** 2.5V (fixed)  
- **Input Voltage Range:** 2.5V to 6.0V  
- **Dropout Voltage:** 200mV (typical) at 150mA load  
- **Output Current:** Up to 150mA  
- **Low Quiescent Current:** 50µA (typical)  
- **High PSRR:** 70dB at 1kHz  
- **Low Noise:** 30µVRMS (10Hz to 100kHz)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-5  

### **Descriptions:**  
The LD3985M25R is a CMOS LDO voltage regulator designed for battery-powered applications, offering high accuracy, low noise, and low power consumption. It provides a stable 2.5V output with excellent line and load regulation.  

### **Features:**  
- **Ultra-Low Dropout Voltage** (200mV typical at 150mA)  
- **Low Quiescent Current** (50µA typical)  
- **High Power Supply Rejection Ratio (PSRR)** (70dB at 1kHz)  
- **Low Output Noise** (30µVRMS)  
- **Thermal Shutdown & Current Limit Protection**  
- **Stable with Low-ESR Ceramic Capacitors** (1µF minimum)  
- **AEC-Q100 Qualified** (for automotive applications)  

This regulator is suitable for portable devices, IoT applications, and power-sensitive electronics.

Partnumber Manufacturer Quantity Availability
LD3985M25R STM 10000 In Stock

Description and Introduction

ULTRA LOW DROP LOW NOISE BICMOS VOLTAGE REGULATORS LOW ESR CAPACITORS COMPATIBLE The LD3985M25R is a low-dropout (LDO) voltage regulator manufactured by STMicroelectronics (STM). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Output Voltage:** 2.5 V (fixed)  
- **Output Current:** Up to 150 mA  
- **Dropout Voltage:** 250 mV (typical at full load)  
- **Input Voltage Range:** 2.5 V to 6.0 V  
- **Low Quiescent Current:** 50 µA (typical)  
- **Low Noise:** 30 µV RMS (typical)  
- **High PSRR:** 70 dB @ 1 kHz  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-5  

### **Descriptions:**  
The LD3985M25R is a CMOS LDO voltage regulator designed for battery-powered applications. It provides a stable 2.5 V output with low dropout, low noise, and high power supply rejection ratio (PSRR). It includes built-in protection features such as thermal shutdown and current limiting.  

### **Features:**  
- **Ultra-Low Dropout Voltage** (suitable for low input voltage conditions)  
- **Low Quiescent Current** (extends battery life)  
- **Low Noise & High PSRR** (ideal for noise-sensitive applications)  
- **Thermal Shutdown & Current Limit Protection**  
- **Stable with Low-ESR Ceramic Capacitors** (≥ 1 µF)  
- **RoHS Compliant & Halogen-Free**  

This regulator is commonly used in portable devices, IoT applications, and power-sensitive electronics.

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