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SG2842D

Manufacturer: MSC

CURRENT MODE PWM CONTROLLER

Partnumber Manufacturer Quantity Availability
SG2842D MSC 2182 In Stock

Description and Introduction

CURRENT MODE PWM CONTROLLER Part Number: **SG2842D**  

**Manufacturer:** ON Semiconductor  

**Specifications:**  
- **Category:** Integrated Circuits (ICs)  
- **Family:** Power Management (PMIC)  
- **Type:** PWM Controller  
- **Topology:** Flyback, Forward  
- **Output Type:** Transistor Driver  
- **Number of Outputs:** 1  
- **Frequency - Switching:** Up to 500kHz  
- **Duty Cycle (Max):** 50%  
- **Supply Voltage (Vcc/Vdd):** 8.5V to 30V  
- **Operating Temperature:** -40°C to +85°C  
- **Package/Case:** SOIC-8  

**Descriptions:**  
The SG2842D is a pulse-width modulation (PWM) controller IC designed for power supply applications. It provides precise control for switching regulators, supporting flyback and forward converter topologies. It includes features such as under-voltage lockout (UVLO), cycle-by-cycle current limiting, and soft-start capability.  

**Features:**  
- Adjustable switching frequency up to 500kHz  
- Under-voltage lockout (UVLO) protection  
- Current limiting for overload protection  
- Soft-start function for controlled startup  
- Low standby power consumption  
- Compatible with voltage-mode and current-mode control  
- High noise immunity  

For detailed electrical characteristics, refer to the manufacturer’s datasheet.

Application Scenarios & Design Considerations

CURRENT MODE PWM CONTROLLER

Alternative Part Number

  • UC2842D --: Industry-standard current-mode PWM controller in the same SOIC-8 package with equivalent electrical specifications and pinout.
  • TL2842D --: Direct functional equivalent of the 2842 series PWM controller, same package and pin configuration.
  • UC3842D --: Widely available current-mode PWM controller with nearly identical characteristics, suitable drop-in replacement in most designs.
  • UC2842AD8 --: Industry-standard current-mode PWM controller in SOIC-8, pin-compatible with SG2842D and widely available.
  • UC3842BD1 --: Equivalent current-mode PWM controller in SOIC-8 with similar UVLO and duty-cycle characteristics.

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