IC Phoenix logo

Home ›  S  › S21 > SG3844DM

SG3844DM from

Fast Delivery, Competitive Price @IC-phoenix

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

SG3844DM

CURRENT MODE PWM CONTROLLER

Partnumber Manufacturer Quantity Availability
SG3844DM 20 In Stock

Description and Introduction

CURRENT MODE PWM CONTROLLER The **SG3844DM** is a **PWM (Pulse Width Modulation) Controller IC** manufactured by **ON Semiconductor**. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Output Configuration:** Single  
- **Topology:** Boost, Flyback, Forward  
- **Switching Frequency:** Up to **500 kHz**  
- **Duty Cycle (Max):** 50%  
- **Supply Voltage (Vcc):** 8V to **30V**  
- **Output Current:** **±1A (Peak)**  
- **Operating Temperature Range:** **-40°C to +85°C**  
- **Package:** **SOIC-8**  

### **Descriptions:**
- The **SG3844DM** is a **fixed-frequency current-mode PWM controller** designed for **DC-DC converter** applications.  
- It includes an **oscillator, error amplifier, current sensing comparator, and a totem-pole output driver**.  
- It is widely used in **switching power supplies, inverters, and motor control circuits**.  

### **Features:**
- **Current-Mode Control** for improved transient response.  
- **Latching PWM** for cycle-by-cycle current limiting.  
- **Undervoltage Lockout (UVLO)** with hysteresis.  
- **Adjustable Dead-Time Control** for optimized efficiency.  
- **Internal Trimmed Bandgap Reference** for accuracy.  
- **Soft-Start Capability** to reduce inrush current.  

This IC is commonly used in **offline and DC-DC power supplies** due to its **high efficiency and reliability**.  

Would you like detailed pin configurations or application notes?

Application Scenarios & Design Considerations

CURRENT MODE PWM CONTROLLER

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