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LTC1980EGN from LT

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LTC1980EGN

Manufacturer: LT

Combination Battery Charger and DC/DC Converter

Partnumber Manufacturer Quantity Availability
LTC1980EGN LT 82 In Stock

Description and Introduction

Combination Battery Charger and DC/DC Converter The LTC1980EGN is a charge pump DC/DC converter manufactured by Linear Technology (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Manufacturer:**  
- Linear Technology (LT)  

### **Part Number:**  
- LTC1980EGN  

### **Description:**  
- The LTC1980EGN is a switched-capacitor voltage inverter designed to generate a negative output voltage from a positive input supply. It operates with high efficiency and requires minimal external components.  

### **Key Features:**  
- **Input Voltage Range:** 1.5V to 5.5V  
- **Output Voltage:** -Vin (inverts input voltage)  
- **Output Current:** Up to 50mA  
- **Switching Frequency:** 200kHz (typical)  
- **Low Quiescent Current:** 100µA (typical)  
- **Shutdown Mode:** <1µA (typical)  
- **No Inductors Required:** Uses only external capacitors  
- **High Efficiency:** Up to 96%  
- **Thermal Shutdown Protection**  
- **Package:** 8-Lead SSOP  

### **Applications:**  
- Negative voltage generation for analog circuits  
- Portable/battery-powered devices  
- LCD bias supplies  
- Data acquisition systems  

This information is based solely on the manufacturer's datasheet and technical documentation.

Partnumber Manufacturer Quantity Availability
LTC1980EGN LINEAR 100 In Stock

Description and Introduction

Combination Battery Charger and DC/DC Converter The LTC1980EGN is a charge pump DC/DC converter manufactured by Linear Technology (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual information:  

### **Specifications:**  
- **Input Voltage Range:** 1.8V to 5.5V  
- **Output Voltage:** Adjustable (positive or negative)  
- **Output Current:** Up to 20mA  
- **Switching Frequency:** 1MHz (typical)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-Lead SSOP (Narrow)  

### **Descriptions:**  
- The LTC1980EGN is a high-efficiency, switched-capacitor voltage inverter or doubler.  
- It can generate a regulated negative or positive output voltage from a single input supply.  
- The device operates in a charge pump topology, eliminating the need for inductors.  
- It includes an internal oscillator and requires minimal external components.  

### **Features:**  
- **Low Noise:** Uses frequency spread spectrum to reduce EMI.  
- **Low Quiescent Current:** Typically 350µA.  
- **Automatic Shutdown:** Reduces power consumption when not in use.  
- **Soft-Start:** Limits inrush current during startup.  
- **Short-Circuit Protection:** Built-in safeguards against output faults.  

This information is strictly based on the manufacturer's datasheet and technical documentation.

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