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LM3670MFX-1.2 from NSC,National Semiconductor

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LM3670MFX-1.2

Manufacturer: NSC

Miniature Step-Down DC-DC Converter for Ultra Low Voltage Circuits

Partnumber Manufacturer Quantity Availability
LM3670MFX-1.2,LM3670MFX12 NSC 2000 In Stock

Description and Introduction

Miniature Step-Down DC-DC Converter for Ultra Low Voltage Circuits The LM3670MFX-1.2 is a step-down DC-DC converter manufactured by National Semiconductor (NSC).  

**Specifications:**  
- **Output Voltage:** 1.2V (fixed)  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Current:** Up to 600mA  
- **Switching Frequency:** 2MHz (typical)  
- **Efficiency:** Up to 96%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOT-23-5  

**Descriptions:**  
The LM3670MFX-1.2 is a high-efficiency, step-down DC-DC converter designed for low-power applications. It integrates a synchronous rectifier to minimize external components and improve efficiency.  

**Features:**  
- Fixed output voltage (1.2V)  
- Low quiescent current (16µA typical)  
- Automatic PFM/PWM mode switching  
- Internal soft-start  
- Over-temperature protection  
- Short-circuit protection  
- Small SOT-23-5 package  

The device is suitable for battery-powered applications, portable electronics, and other space-constrained designs.

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