IC Phoenix logo

Home ›  L  › L2 > L4993DTR

L4993DTR from ST,ST Microelectronics

Fast Delivery, Competitive Price @IC-phoenix

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

L4993DTR

Manufacturer: ST

Low drop voltage regulator with watchdog

Partnumber Manufacturer Quantity Availability
L4993DTR ST 5671 In Stock

Description and Introduction

Low drop voltage regulator with watchdog The part **L4993DTR** is manufactured by **STMicroelectronics (ST)**. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** STMicroelectronics  
- **Category:** PMIC - Voltage Regulators - DC DC Switching Regulators  
- **Output Type:** Adjustable  
- **Topology:** Buck  
- **Output Voltage Range:** 0.8V to 5.5V  
- **Output Current:** 3A  
- **Input Voltage Range:** 4.5V to 18V  
- **Switching Frequency:** 300kHz to 1MHz (adjustable)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** **SO-8 (Exposed Pad)**  

### **Descriptions:**
The **L4993DTR** is a **step-down (buck) switching regulator** designed for high-efficiency power conversion applications. It features an adjustable output voltage, high current capability, and a wide input voltage range, making it suitable for various industrial, automotive, and consumer electronics applications.

### **Features:**
- **Adjustable Output Voltage (0.8V to 5.5V)**  
- **3A Output Current Capability**  
- **Wide Input Voltage Range (4.5V to 18V)**  
- **Adjustable Switching Frequency (300kHz to 1MHz)**  
- **Synchronous Rectification for High Efficiency**  
- **Internal Soft-Start Function**  
- **Overcurrent and Overtemperature Protection**  
- **Low Dropout Operation**  
- **Thermally Enhanced SO-8 Package**  

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

Application Scenarios & Design Considerations

Low drop voltage regulator with watchdog
Partnumber Manufacturer Quantity Availability
L4993DTR ST,ST 7500 In Stock

Description and Introduction

Low drop voltage regulator with watchdog **Manufacturer:** STMicroelectronics (ST)  

**Part Number:** L4993DTR  

**Specifications:**  
- **Output Voltage Range:** 3.3 V to 5.1 V (adjustable)  
- **Input Voltage Range:** 4.5 V to 18 V  
- **Output Current:** Up to 1.5 A  
- **Switching Frequency:** 250 kHz to 1 MHz (adjustable)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SO-8 (Exposed Pad)  

**Descriptions:**  
The L4993DTR is a step-down (buck) switching regulator IC designed for DC-DC voltage conversion. It integrates a high-efficiency PWM controller with a power MOSFET, making it suitable for compact power supply designs.  

**Features:**  
- Adjustable output voltage with external resistors  
- Synchronous rectification for improved efficiency  
- Soft-start function to limit inrush current  
- Overcurrent and thermal protection  
- Low standby current in shutdown mode  
- Adjustable switching frequency for noise optimization  
- Exposed pad for enhanced thermal performance  

(Information sourced from STMicroelectronics datasheets.)

Application Scenarios & Design Considerations

Low drop voltage regulator with watchdog

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