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LM2687LD from NS,National Semiconductor

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LM2687LD

Manufacturer: NS

Low Noise Regulated Switched Capacitor Voltage Inverter

Partnumber Manufacturer Quantity Availability
LM2687LD NS 43735 In Stock

Description and Introduction

Low Noise Regulated Switched Capacitor Voltage Inverter The LM2687LD is a dual-output switching regulator manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Input Voltage Range:** 4V to 26V  
- **Output Voltage 1 (Boost Converter):** Adjustable up to 28V  
- **Output Voltage 2 (Inverting Buck-Boost Converter):** Adjustable down to -28V  
- **Switching Frequency:** 160 kHz  
- **Maximum Output Current (Boost):** 350 mA  
- **Maximum Output Current (Inverting Buck-Boost):** 300 mA  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-Pin SOIC  

### **Descriptions:**  
The LM2687LD integrates a boost converter and an inverting buck-boost converter in a single IC. It is designed for applications requiring both positive and negative regulated voltages from a single input supply.  

### **Features:**  
- Dual-output switching regulator (positive and negative)  
- Adjustable output voltages  
- Low shutdown current (1 µA typical)  
- Internal soft-start for controlled inrush current  
- Over-temperature protection  
- Current-mode control for improved transient response  

This information is based on the manufacturer's datasheet.

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