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UPC494 from NEC

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UPC494

Manufacturer: NEC

SWITCHING REGULATOR CONTROL CIRCUIT SILICON MONOLITHIC BIPOLAR INTEGRATED CIRCUIT

Partnumber Manufacturer Quantity Availability
UPC494 NEC 171 In Stock

Description and Introduction

SWITCHING REGULATOR CONTROL CIRCUIT SILICON MONOLITHIC BIPOLAR INTEGRATED CIRCUIT The **UPC494** is a **Pulse Width Modulation (PWM) Control IC** manufactured by **NEC** (now part of **Renesas Electronics**).  

### **Key Specifications:**  
- **Type:** PWM Control IC  
- **Manufacturer:** NEC (Renesas)  
- **Function:** Used for regulating power supply circuits through pulse-width modulation.  
- **Package:** Typically available in **DIP (Dual In-line Package)** or **SOP (Small Outline Package)**.  
- **Operating Voltage:** Typically operates within a range of **7V to 40V**.  
- **Output Current:** Capable of driving external transistors for power regulation.  
- **Frequency Range:** Adjustable oscillator frequency for PWM control.  
- **Protection Features:** Includes overcurrent and undervoltage protection.  

### **Features:**  
- **Adjustable Duty Cycle:** Allows precise control of output voltage.  
- **Error Amplifier:** Built-in for feedback loop stability.  
- **Soft-Start Function:** Prevents inrush current during startup.  
- **Dead-Time Control:** Ensures safe switching in push-pull or half-bridge configurations.  
- **Wide Operating Temperature Range:** Suitable for industrial applications.  

### **Applications:**  
- **Switching Power Supplies**  
- **DC-DC Converters**  
- **Motor Control Circuits**  
- **Uninterruptible Power Supplies (UPS)**  

This IC is commonly used in power electronics for efficient voltage regulation.

Partnumber Manufacturer Quantity Availability
UPC494 550 In Stock

Description and Introduction

SWITCHING REGULATOR CONTROL CIRCUIT SILICON MONOLITHIC BIPOLAR INTEGRATED CIRCUIT Here is the factual information about the part UPC494 from Ic-phoenix technical data files:

### **Manufacturer Specifications for UPC494**  
- **Manufacturer:** NEC (Nippon Electric Company)  
- **Type:** Operational Amplifier (Op-Amp)  
- **Package:** DIP (Dual In-line Package)  
- **Pin Count:** 8  
- **Supply Voltage Range:** ±3V to ±18V (Dual Supply) or 6V to 36V (Single Supply)  
- **Input Offset Voltage:** 2mV (typical)  
- **Input Bias Current:** 30nA (typical)  
- **Gain Bandwidth Product:** 1MHz (typical)  
- **Slew Rate:** 0.5V/µs (typical)  
- **Operating Temperature Range:** -20°C to +75°C  

### **Descriptions**  
- The UPC494 is a general-purpose operational amplifier designed for a wide range of analog applications.  
- It features low noise, high input impedance, and stable performance under varying conditions.  
- Suitable for use in audio amplifiers, signal conditioning, and instrumentation circuits.  

### **Features**  
- **Wide Supply Voltage Range:** Supports both dual and single supply configurations.  
- **Low Power Consumption:** Ideal for battery-operated devices.  
- **Short-Circuit Protection:** Built-in safeguards against output short circuits.  
- **Internal Frequency Compensation:** Ensures stability without external components.  
- **High Common-Mode Rejection Ratio (CMRR):** Reduces noise interference.  

This information is based solely on the available specifications and does not include recommendations or usage guidance.

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