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LM2612BBL from NS,National Semiconductor

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LM2612BBL

Manufacturer: NS

400mA Sub-miniature, Programmable, Step-Down DC-DC Converter for Ultra Low-Voltage Circuits

Partnumber Manufacturer Quantity Availability
LM2612BBL NS 5 In Stock

Description and Introduction

400mA Sub-miniature, Programmable, Step-Down DC-DC Converter for Ultra Low-Voltage Circuits The LM2612BBL is a high-efficiency, low-noise, step-up DC-DC converter manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Input Voltage Range:** 2.7V to 14V  
- **Output Voltage Range:** Adjustable up to 35V  
- **Switching Frequency:** 1.2MHz (typical)  
- **Output Current:** Up to 1.2A (depending on input/output conditions)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-6  

### **Descriptions and Features:**  
- **High Efficiency:** Uses a current-mode PWM architecture for improved efficiency.  
- **Low Noise Operation:** Designed to minimize output ripple and electromagnetic interference (EMI).  
- **Adjustable Output:** The output voltage can be set using external resistors.  
- **Integrated Power Switch:** Includes a 1.2A, 0.25Ω internal switch.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation under low input voltage conditions.  
- **Thermal Shutdown:** Protects the device from overheating.  

The LM2612BBL is commonly used in battery-powered applications, LCD bias supplies, and other systems requiring a regulated high-voltage output from a low-voltage input.

Application Scenarios & Design Considerations

400mA Sub-miniature, Programmable, Step-Down DC-DC Converter for Ultra Low-Voltage Circuits

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