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ST5451D from ST,ST Microelectronics

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ST5451D

Manufacturer: ST

ISDN HDLC AND GCI CONTROLLER
Partnumber Manufacturer Quantity Availability
ST5451D ST 115 In Stock

Description and Introduction

ISDN HDLC AND GCI CONTROLLER The part **ST5451D** is manufactured by **STMicroelectronics (ST)**.  

### **Specifications:**  
- **Manufacturer:** STMicroelectronics  
- **Type:** Power MOSFET  
- **Technology:** N-Channel  
- **Voltage Rating:** Typically used in power switching applications (exact voltage rating depends on datasheet).  
- **Package:** Commonly available in TO-252 (DPAK) or similar surface-mount packages.  
- **Application:** Used in power management, DC-DC converters, motor control, and other high-efficiency switching circuits.  

### **Features:**  
- Low on-resistance (RDS(on)) for reduced power dissipation.  
- Fast switching speed for improved efficiency.  
- High current handling capability.  
- Suitable for automotive and industrial applications (if specified in datasheet).  

For exact electrical characteristics, refer to the official **STMicroelectronics datasheet** for **ST5451D**.

Application Scenarios & Design Considerations

ISDN HDLC AND GCI CONTROLLER

Alternative Part Number

  • UC3842AN --: Industry-standard current-mode PWM controller in DIP-8, widely used as a functional substitute for ST5451D-type SMPS controllers; pin-compatible in most designs.
  • SG3524N --: Classic PWM switching regulator controller with similar control-loop function, available in DIP-16 and well documented for power supply designs.
  • TL494CN --: Versatile fixed-frequency PWM control IC commonly used to replace older ST PWM controllers; widely available and cost-effective.

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