IC Phoenix logo

Home ›  L  › L32 > LM2931A

LM2931A from ST,ST Microelectronics

Fast Delivery, Competitive Price @IC-phoenix

If you need more electronic components or better pricing, we welcome any inquiry.

LM2931A

Manufacturer: ST

Low Dropout Voltage Regulator

Partnumber Manufacturer Quantity Availability
LM2931A ST 147 In Stock

Description and Introduction

Low Dropout Voltage Regulator The LM2931A is a low-dropout voltage regulator manufactured by STMicroelectronics. Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**
- **Input Voltage Range:** Up to 26V  
- **Output Voltage Options:** Fixed (3.3V, 5V, 12V) or Adjustable (1.24V to 26V)  
- **Output Current:** 100mA  
- **Dropout Voltage:** 0.6V (max) at full load  
- **Line Regulation:** 0.2% (typ)  
- **Load Regulation:** 0.4% (typ)  
- **Quiescent Current:** 1mA (typ)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Options:** TO-92, SOT-89, DPAK  

### **Descriptions:**  
The LM2931A is a positive voltage regulator designed for low-power applications requiring stable voltage supply. It features low dropout voltage, making it suitable for battery-powered systems. The regulator includes built-in protection against reverse polarity, short circuits, and thermal overload.

### **Features:**  
- Low dropout voltage (0.6V max at 100mA)  
- Low quiescent current (1mA typical)  
- Reverse battery protection  
- Short-circuit and thermal protection  
- Adjustable or fixed output voltage options  
- Wide operating temperature range (-40°C to +125°C)  
- Available in compact packages for space-constrained applications  

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

Application Scenarios & Design Considerations

Low Dropout Voltage Regulator
Partnumber Manufacturer Quantity Availability
LM2931A ON 130 In Stock

Description and Introduction

Low Dropout Voltage Regulator The LM2931A is a low-dropout voltage regulator manufactured by ON Semiconductor. Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**  
- **Input Voltage Range:** Up to 26V  
- **Output Voltage Options:** Fixed (3.3V, 5V, 8V, 9V, 10V, 12V, 15V) or Adjustable (1.24V to 26V)  
- **Output Current:** Up to 100mA  
- **Dropout Voltage:** 0.6V (typical at 100mA)  
- **Line Regulation:** 0.3% (typical)  
- **Load Regulation:** 0.4% (typical)  
- **Quiescent Current:** 1mA (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Options:** TO-92, SOT-89, SOIC-8  

### **Descriptions:**  
- The LM2931A is a low-power linear regulator designed for applications requiring stable voltage with low dropout.  
- It features reverse-battery protection, making it suitable for automotive and battery-powered applications.  
- The regulator includes thermal shutdown and current limiting for protection.  

### **Features:**  
- **Low Dropout Voltage:** Ensures stable output even with small input-output differentials.  
- **Reverse Polarity Protection:** Safeguards against incorrect battery connections.  
- **Thermal Shutdown:** Prevents damage from excessive heat.  
- **Current Limiting:** Protects against short circuits and overloads.  
- **Low Quiescent Current:** Improves efficiency in battery-operated devices.  
- **Wide Input Voltage Range:** Supports operation in various power supply conditions.  

This information is based solely on the manufacturer's datasheet and specifications.

Application Scenarios & Design Considerations

Low Dropout Voltage Regulator
Partnumber Manufacturer Quantity Availability
LM2931A MOTOROLA 2500 In Stock

Description and Introduction

Low Dropout Voltage Regulator The LM2931A is a low-dropout voltage regulator manufactured by Motorola.  

### **Specifications:**  
- **Input Voltage Range:** Up to 26V  
- **Output Voltage Options:** 5V, 8V, 10V, 12V, 15V (fixed) or adjustable  
- **Output Current:** 100mA  
- **Dropout Voltage:** Typically 0.4V at full load  
- **Line Regulation:** 0.3% (typical)  
- **Load Regulation:** 0.4% (typical)  
- **Quiescent Current:** 1mA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Options:** TO-92, SOT-89, TO-220  

### **Descriptions:**  
- Designed for low-power applications requiring stable voltage regulation.  
- Features reverse battery protection, thermal shutdown, and current limiting.  
- Suitable for automotive and industrial applications due to its robustness.  

### **Features:**  
- Low dropout voltage  
- Reverse polarity protection  
- Thermal shutdown protection  
- Short-circuit current limiting  
- Low quiescent current  
- Adjustable output voltage (with external resistors)  

This regulator is commonly used in battery-powered systems, automotive electronics, and portable devices.

Application Scenarios & Design Considerations

Low Dropout Voltage Regulator

Request Quotation

For immediate assistance, call us at +86 533 2716050 or email [email protected]

Part Number Quantity Target Price($USD) Email Contact Person
We offer highly competitive channel pricing. Get in touch for details.

Specializes in hard-to-find components chips