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ICL7673CPA from INTERSIL

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ICL7673CPA

Manufacturer: INTERSIL

Automatic Battery Back-Up Switch

Partnumber Manufacturer Quantity Availability
ICL7673CPA INTERSIL 89 In Stock

Description and Introduction

Automatic Battery Back-Up Switch The ICL7673CPA is a voltage regulator IC manufactured by **INTERSIL** (now part of Renesas Electronics). Below are its key specifications, descriptions, and features based on available data:  

### **Specifications:**  
- **Manufacturer:** INTERSIL  
- **Part Number:** ICL7673CPA  
- **Package:** 8-Pin PDIP (Plastic Dual In-Line Package)  
- **Type:** Switching Regulator (Charge Pump)  
- **Input Voltage Range:** 4.5V to 16V  
- **Output Voltage:** -5V (Negative Voltage Converter)  
- **Output Current:** Up to 10mA  
- **Switching Frequency:** ~10kHz (typical)  
- **Operating Temperature Range:** 0°C to +70°C  
- **Efficiency:** ~80% (typical)  

### **Descriptions:**  
The ICL7673CPA is a **switched-capacitor voltage inverter** designed to generate a **negative voltage** from a positive input supply. It uses an internal charge pump mechanism to convert the input voltage to a regulated -5V output. It is commonly used in applications requiring a low-power negative bias voltage, such as analog circuits, op-amp supplies, and data acquisition systems.  

### **Features:**  
- **Simple Voltage Inversion:** Converts +5V to -5V without inductors.  
- **Low External Component Count:** Requires only two external capacitors.  
- **No Inductor Needed:** Uses capacitive charge pumping for voltage conversion.  
- **Low Quiescent Current:** Typically 0.5mA.  
- **Wide Input Voltage Range:** Supports 4.5V to 16V.  
- **Thermal Shutdown Protection:** Prevents damage from overheating.  

This information is based on the manufacturer’s datasheet and technical documentation. For detailed electrical characteristics and application circuits, refer to the official datasheet.

Application Scenarios & Design Considerations

Automatic Battery Back-Up Switch

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