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LM2756TM from NS,National Semiconductor

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LM2756TM

Manufacturer: NS

Multi-Display Inductorless LED Driver with 32 Exponential Dimming Steps in micro SMD

Partnumber Manufacturer Quantity Availability
LM2756TM NS 54 In Stock

Description and Introduction

Multi-Display Inductorless LED Driver with 32 Exponential Dimming Steps in micro SMD The LM2756TM is a switched capacitor voltage converter manufactured by National Semiconductor (NS). Below are the factual details from Ic-phoenix technical data files:

### **Specifications:**
- **Input Voltage Range:** 2.8V to 5.5V  
- **Output Voltage:** Adjustable (5V or 3.3V preset)  
- **Output Current:** Up to 100mA (5V output), up to 150mA (3.3V output)  
- **Switching Frequency:** 1.6MHz (typical)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 10-pin MSOP (Mini Small Outline Package)  

### **Descriptions:**
- The LM2756TM is a high-efficiency, charge-pump DC-DC converter that generates a regulated output voltage from an input supply.  
- It operates as a voltage doubler or regulator, depending on the configuration.  
- The device includes internal power switches and control circuitry, requiring minimal external components.  

### **Features:**
- **Low Noise Operation:** Uses a constant-frequency switching scheme.  
- **Soft-Start:** Reduces inrush current during startup.  
- **Short-Circuit Protection:** Includes thermal shutdown and current limiting.  
- **Low Shutdown Current:** <1µA when disabled.  
- **Adjustable Output:** Can be set via external resistors.  

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

Application Scenarios & Design Considerations

Multi-Display Inductorless LED Driver with 32 Exponential Dimming Steps in micro SMD

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