IC Phoenix logo

Home ›  L  › L2 > L4953K

L4953K from ST,ST Microelectronics

Fast Delivery, Competitive Price @IC-phoenix

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

L4953K

Manufacturer: ST

MULTIFUNCTION VOLTAGE REGULATOR FOR CAR RADIO

Partnumber Manufacturer Quantity Availability
L4953K ST 1385 In Stock

Description and Introduction

MULTIFUNCTION VOLTAGE REGULATOR FOR CAR RADIO The part **L4953K** is manufactured by **STMicroelectronics (ST)**.  

### **Specifications:**  
- **Category:** Voltage Regulator  
- **Type:** Low Dropout (LDO) Voltage Regulator  
- **Output Voltage:** Adjustable or Fixed (depending on variant)  
- **Output Current:** Up to 500mA  
- **Dropout Voltage:** Low dropout (specific value depends on load and conditions)  
- **Input Voltage Range:** Typically up to 20V  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-220 (common for power applications)  

### **Descriptions and Features:**  
- Designed for stable voltage regulation in automotive and industrial applications.  
- Includes built-in protection features such as thermal shutdown, current limiting, and reverse polarity protection.  
- Suitable for battery-powered systems due to low quiescent current.  
- High accuracy and low noise output.  

For exact specifications, refer to the official **STMicroelectronics datasheet** for the **L4953K**.

Application Scenarios & Design Considerations

MULTIFUNCTION VOLTAGE REGULATOR FOR CAR RADIO

Alternative Part Number

  • LM2576T-5.0 --: Widely available 3A step-down regulator in TO-220, similar function and pinout family; good drop-in candidate after verifying feedback and current requirements.
  • MC34063A --: Versatile DC-DC switching regulator usable in step-down configurations, low cost and broadly stocked; requires external components but is a common substitute for older ST regulators.
  • L5973D --: ST step-down switching regulator with comparable voltage/current class, same manufacturer ecosystem and similar application profile; check pinout and thermal ratings.
  • LM317K --: Adjustable linear regulator in TO-3 package with similar current capability and voltage range, widely available and pin-compatible in many designs.
  • LT317AK --: High-performance adjustable positive regulator in TO-3, offers better regulation and lower noise, suitable drop-in for many L4953K applications.
  • MC78T05CK --: Fixed 5V 3A regulator in TO-3 package, good alternative when a fixed output is acceptable and robust thermal performance is needed.

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