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LM2663MX from NS,National Semiconductor

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LM2663MX

Manufacturer: NS

Switched Capacitor Voltage Converter

Partnumber Manufacturer Quantity Availability
LM2663MX NS 2008 In Stock

Description and Introduction

Switched Capacitor Voltage Converter The LM2663MX is a CMOS charge-pump voltage converter manufactured by Texas Instruments (NS).  

### **Specifications:**  
- **Input Voltage Range:** 1.5V to 5.5V  
- **Output Voltage Options:**  
  - **Inverting Mode:** -1.5V to -5.5V  
  - **Doubling Mode:** 3V to 11V  
- **Switching Frequency:** 160kHz (typical)  
- **Output Current Capability:** Up to 40mA  
- **Low Quiescent Current:** 300µA (typical)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOIC-8 (Molded)  

### **Descriptions:**  
The LM2663MX is a switched-capacitor voltage converter capable of generating an inverted or doubled output voltage from a single positive input supply. It requires minimal external components (only two flying capacitors) and is ideal for low-power applications.  

### **Features:**  
- **Inverting or Doubling Operation**  
- **Low External Component Count** (No Inductors Required)  
- **Low Power Consumption**  
- **No Diode Voltage Loss**  
- **Shutdown Mode** (Reduces Current Consumption to <1µA)  
- **Thermal Shutdown Protection**  

This device is commonly used in battery-powered systems, LCD bias supplies, and portable instrumentation.

Application Scenarios & Design Considerations

Switched Capacitor Voltage Converter
Partnumber Manufacturer Quantity Availability
LM2663MX 650 In Stock

Description and Introduction

Switched Capacitor Voltage Converter The LM2663MX is a CMOS charge-pump voltage converter manufactured by Texas Instruments.  

### **Specifications:**  
- **Input Voltage Range:** 1.5V to 5.5V  
- **Output Voltage Options:**  
  - Doubles input voltage (2x)  
  - Inverts input voltage (-1x)  
- **Output Current:** Up to 40mA (for voltage doubling)  
- **Switching Frequency:** 160kHz (typical)  
- **Low Quiescent Current:** 300µA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOIC-8  

### **Descriptions:**  
The LM2663MX is a versatile charge-pump DC-DC converter that can generate either a doubled or inverted voltage from a single supply. It does not require inductors, making it suitable for space-constrained applications.  

### **Features:**  
- No inductors required  
- Low external component count (only 2 flying capacitors needed)  
- 90% typical conversion efficiency (voltage doubler mode)  
- Low shutdown current (5µA max)  
- Thermal shutdown protection  
- Short-circuit protection  

This device is commonly used in battery-powered systems, LCD bias supplies, and portable electronics.

Application Scenarios & Design Considerations

Switched Capacitor Voltage Converter

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