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LM3490IM5-12 from NS,National Semiconductor

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LM3490IM5-12

Manufacturer: NS

100 mA, SOT-23, Quasi Low-Dropout Linear Voltage Regulator with Logic-Controlled ON/OFF

Partnumber Manufacturer Quantity Availability
LM3490IM5-12,LM3490IM512 NS 3000 In Stock

Description and Introduction

100 mA, SOT-23, Quasi Low-Dropout Linear Voltage Regulator with Logic-Controlled ON/OFF The LM3490IM5-12 is a step-down switching regulator manufactured by National Semiconductor (NS).  

**Specifications:**  
- **Output Voltage:** Fixed 12V  
- **Input Voltage Range:** 4.5V to 42V  
- **Output Current:** Up to 500mA  
- **Switching Frequency:** 500kHz  
- **Efficiency:** Up to 90%  
- **Package:** SOT-23-5  
- **Operating Temperature Range:** -40°C to +125°C  

**Descriptions:**  
The LM3490IM5-12 is a high-efficiency, step-down DC-DC converter designed for applications requiring a regulated 12V output. It integrates a high-side N-channel MOSFET and features a constant on-time control scheme for fast transient response.  

**Features:**  
- Wide input voltage range (4.5V to 42V)  
- Fixed 12V output  
- Internal N-channel MOSFET switch  
- Constant on-time control for fast transient response  
- Thermal shutdown and current limit protection  
- Low shutdown current (<1µA)  
- Small SOT-23-5 package for space-constrained applications  

This information is based solely on the manufacturer's specifications.

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