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SG6859TZ from FAIRCHILD,Fairchild Semiconductor

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SG6859TZ

Manufacturer: FAIRCHILD

Flyback & Forward PWM Controllers

Partnumber Manufacturer Quantity Availability
SG6859TZ FAIRCHILD 3000 In Stock

Description and Introduction

Flyback & Forward PWM Controllers **Part Number:** SG6859TZ  
**Manufacturer:** FAIRCHILD  

### **Specifications:**  
- **Type:** PWM Controller IC  
- **Topology:** Flyback, Forward  
- **Control Method:** Current Mode  
- **Operating Frequency:** Up to 100kHz  
- **Start-up Current:** < 30µA  
- **Supply Voltage (VCC):** 8.5V to 30V  
- **Output Drive Current:** ±1A (Peak)  
- **Duty Cycle Range:** 0% to 80%  
- **Protection Features:** Overvoltage Protection (OVP), Overload Protection (OLP), Undervoltage Lockout (UVLO)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** TO-263-5L (D2PAK)  

### **Descriptions:**  
The SG6859TZ is a high-performance current-mode PWM controller designed for offline and DC-DC power supply applications. It features low power consumption, high efficiency, and robust protection mechanisms, making it suitable for flyback and forward converter designs.  

### **Features:**  
- Built-in soft-start function  
- Adjustable switching frequency  
- Low standby power consumption  
- Cycle-by-cycle current limiting  
- Internal leading-edge blanking for noise immunity  
- Green-mode operation for improved efficiency at light loads  

This IC is commonly used in AC/DC adapters, LED drivers, and auxiliary power supplies.

Partnumber Manufacturer Quantity Availability
SG6859TZ FAI/PBF 10 In Stock

Description and Introduction

Flyback & Forward PWM Controllers The part **SG6859TZ** is manufactured by **FAI/PBF**. Below are the specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** FAI/PBF  
- **Part Number:** SG6859TZ  
- **Type:** Power management IC (PWM controller)  
- **Package:** TO-220 or similar (exact package may vary)  
- **Input Voltage Range:** Typically 8V to 30V (confirm datasheet for exact range)  
- **Output Voltage:** Adjustable (depends on external components)  
- **Switching Frequency:** High-frequency operation (exact kHz/MHz range may vary)  
- **Protection Features:** Over-voltage, over-current, and thermal shutdown (if applicable)  

### **Descriptions:**  
- The **SG6859TZ** is a pulse-width modulation (PWM) controller designed for power supply applications.  
- It is commonly used in switch-mode power supplies (SMPS), AC-DC converters, and DC-DC converters.  
- The IC provides precise voltage regulation and efficiency in power conversion systems.  

### **Features:**  
- **High Efficiency:** Optimized for power-saving applications.  
- **Adjustable Output:** Allows flexibility in design with external resistors/capacitors.  
- **Built-in Protections:** May include over-voltage, over-current, and thermal protection.  
- **Wide Input Range:** Supports a broad input voltage range for versatile applications.  

For exact electrical characteristics, refer to the **FAI/PBF datasheet** for the **SG6859TZ**.

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