IC Phoenix logo

Home ›  L  › L49 > LM7905

LM7905 from ST,ST Microelectronics

Fast Delivery, Competitive Price @IC-phoenix

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

LM7905

Manufacturer: ST

3-terminal 1A negative voltage regulator. Output current up to 1A. Output voltage -5V(typ).

Partnumber Manufacturer Quantity Availability
LM7905 ST 500 In Stock

Description and Introduction

3-terminal 1A negative voltage regulator. Output current up to 1A. Output voltage -5V(typ). The LM7905 is a fixed voltage regulator manufactured by STMicroelectronics (ST). Below are the specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:  

### **Specifications:**  
- **Output Voltage:** -5V  
- **Output Current:** Up to 1.5A  
- **Input Voltage Range:** -7V to -25V (for stable -5V output)  
- **Dropout Voltage:** 2V (typical)  
- **Line Regulation:** 60mV (typical)  
- **Load Regulation:** 100mV (typical)  
- **Operating Temperature Range:**  
  - **LM7905 (Commercial):** 0°C to +125°C  
  - **LM7905C (Industrial):** -40°C to +125°C  
- **Package Options:** TO-220, TO-220FP, D²PAK  

### **Descriptions:**  
- The LM7905 is a negative voltage regulator that provides a fixed -5V output.  
- It is designed to deliver a stable output voltage with minimal external components.  
- Includes built-in thermal overload protection, short-circuit protection, and safe operating area (SOA) protection.  

### **Features:**  
- Fixed -5V output voltage  
- Thermal shutdown protection  
- Short-circuit current limiting  
- Internal current limiting for overload protection  
- No external components required for operation (except input/output capacitors for stability)  

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

Application Scenarios & Design Considerations

3-terminal 1A negative voltage regulator. Output current up to 1A. Output voltage -5V(typ).
Partnumber Manufacturer Quantity Availability
LM7905 NS 500 In Stock

Description and Introduction

3-terminal 1A negative voltage regulator. Output current up to 1A. Output voltage -5V(typ). The LM7905 is a negative voltage regulator manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Output Voltage:** -5V  
- **Output Current:** Up to 1A  
- **Input Voltage Range:** -7V to -25V (recommended)  
- **Dropout Voltage:** 2V (typical)  
- **Line Regulation:** 0.3% (typical)  
- **Load Regulation:** 15mV (typical)  
- **Operating Temperature Range:** 0°C to +125°C  
- **Package Options:** TO-220, TO-3  

### **Descriptions and Features:**  
- Fixed -5V output voltage  
- Internal thermal overload protection  
- Short-circuit protection  
- High ripple rejection  
- No external components required for operation  
- Designed for use in negative voltage power supply circuits  

The LM7905 is commonly used in power supply applications requiring a stable -5V output.

Application Scenarios & Design Considerations

3-terminal 1A negative voltage regulator. Output current up to 1A. Output voltage -5V(typ).
Partnumber Manufacturer Quantity Availability
LM7905 PJ 4800 In Stock

Description and Introduction

3-terminal 1A negative voltage regulator. Output current up to 1A. Output voltage -5V(typ). The LM7905 is a negative voltage regulator manufactured by PJ (Prescott Joule). Here are its specifications, descriptions, and features:  

### **Specifications:**  
- **Output Voltage:** -5V  
- **Output Current:** Up to 1A  
- **Input Voltage Range:** -7V to -25V  
- **Dropout Voltage:** 2V (typical)  
- **Line Regulation:** 60mV (typical)  
- **Load Regulation:** 100mV (typical)  
- **Operating Temperature Range:** 0°C to +125°C  
- **Package Type:** TO-220  

### **Descriptions:**  
- The LM7905 is a fixed negative voltage regulator designed to provide a stable -5V output.  
- It includes built-in thermal overload protection and short-circuit current limiting.  
- Suitable for use in power supply circuits requiring a regulated negative voltage.  

### **Features:**  
- **Fixed Negative Output Voltage:** -5V  
- **Thermal Overload Protection:** Prevents damage due to excessive heat.  
- **Short-Circuit Protection:** Safeguards against output shorts.  
- **High Ripple Rejection:** Reduces input noise.  
- **No External Components Required:** Only input and output capacitors are needed for stability.  

This information is based on the manufacturer's datasheet for the LM7905 by PJ.

Application Scenarios & Design Considerations

3-terminal 1A negative voltage regulator. Output current up to 1A. Output voltage -5V(typ).
Partnumber Manufacturer Quantity Availability
LM7905 10 In Stock

Description and Introduction

3-terminal 1A negative voltage regulator. Output current up to 1A. Output voltage -5V(typ). The LM7905 is a fixed negative voltage regulator manufactured by several companies, including Texas Instruments, STMicroelectronics, and ON Semiconductor.  

### **Specifications:**  
- **Output Voltage:** -5V  
- **Output Current:** Up to 1A (with proper heat sinking)  
- **Input Voltage Range:** -7V to -25V (recommended)  
- **Dropout Voltage:** ~2V (minimum input-output differential)  
- **Line Regulation:** 60mV (typical)  
- **Load Regulation:** 120mV (typical)  
- **Operating Temperature Range:**  
  - **Commercial (LM7905C):** 0°C to +125°C  
  - **Military (LM7905M):** -55°C to +150°C  
- **Package Types:** TO-220, TO-220FP, TO-3, D²PAK  

### **Descriptions:**  
The LM7905 is a three-terminal negative voltage regulator designed to provide a stable -5V output. It includes internal current limiting, thermal shutdown, and safe operating area protection, making it robust against overload conditions.  

### **Features:**  
- Fixed -5V output  
- Internal thermal overload protection  
- Short-circuit current limiting  
- No external components required for basic operation  
- High ripple rejection ratio (~62dB)  

This regulator is commonly used in power supply circuits where a stable negative voltage is required.

Application Scenarios & Design Considerations

3-terminal 1A negative voltage regulator. Output current up to 1A. Output voltage -5V(typ).

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