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KA3883E from FAIRCHILD,Fairchild Semiconductor

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KA3883E

Manufacturer: FAIRCHILD

SMPS Controller

Partnumber Manufacturer Quantity Availability
KA3883E FAIRCHILD 2562 In Stock

Description and Introduction

SMPS Controller **Part Number:** KA3883E  
**Manufacturer:** FAIRCHILD  

### **Specifications:**  
- **Type:** PWM Controller IC  
- **Topology:** Flyback, Forward, Boost, Buck  
- **Operating Voltage Range:** 8.5V to 30V  
- **Output Drive Current:** ±1A (Peak)  
- **Switching Frequency:** Up to 500kHz  
- **Duty Cycle:** 0% to 100%  
- **Error Amplifier Gain Bandwidth:** 1MHz  
- **Start-Up Current:** 0.5mA (Typical)  
- **Operating Temperature Range:** -25°C to +85°C  
- **Package:** DIP-8, SOIC-8  

### **Descriptions:**  
The KA3883E is a high-performance current-mode PWM controller designed for switching power supply applications. It features low start-up current, high noise immunity, and precise duty cycle control.  

### **Features:**  
- Current-mode operation  
- Under-voltage lockout (UVLO)  
- Latching PWM for cycle-by-cycle current limiting  
- Internal trimmed bandgap reference  
- Soft-start capability  
- Double-pulse suppression  
- High-current totem-pole output  

This information is based on the manufacturer's datasheet. For detailed electrical characteristics and application notes, refer to the official FAIRCHILD documentation.

Partnumber Manufacturer Quantity Availability
KA3883E FAI 2562 In Stock

Description and Introduction

SMPS Controller The part KA3883E is manufactured by Fairchild Semiconductor (FAI).  

**Specifications:**  
- **Category:** Switching Regulator IC  
- **Type:** PWM Controller  
- **Topology:** Flyback, Forward  
- **Output Voltage:** Adjustable  
- **Output Current:** Up to 1.5A (dependent on external components)  
- **Input Voltage Range:** 8V to 35V  
- **Switching Frequency:** 52 kHz (fixed)  
- **Duty Cycle:** Up to 100%  
- **Operating Temperature Range:** -25°C to +85°C  
- **Package:** DIP-8, SOP-8  

**Descriptions:**  
The KA3883E is a pulse-width modulation (PWM) controller designed for DC-DC converter applications. It provides precise voltage regulation with features such as soft-start, current limiting, and undervoltage lockout (UVLO).  

**Features:**  
- Adjustable output voltage  
- Built-in soft-start function  
- Current limiting protection  
- Undervoltage lockout (UVLO)  
- Low standby current  
- High noise immunity  
- Compatible with KA3842/43 series  

This information is based on Fairchild Semiconductor's documentation for the KA3883E.

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