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LTC3252EDE from LINEAR

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LTC3252EDE

Manufacturer: LINEAR

Dual, Low Noise, Inductorless Step-Down DC/DC Converter

Partnumber Manufacturer Quantity Availability
LTC3252EDE LINEAR 550 In Stock

Description and Introduction

Dual, Low Noise, Inductorless Step-Down DC/DC Converter The LTC3252EDE is a high-efficiency, low-noise step-down DC/DC converter manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 4V to 36V  
- **Output Voltage:** Adjustable from 1.22V to 18V  
- **Output Current:** Up to 500mA  
- **Switching Frequency:** 1.2MHz (typical)  
- **Efficiency:** Up to 94%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 14-Lead DFN (4mm × 3mm)  

### **Descriptions:**  
The LTC3252EDE is a synchronous buck converter with an integrated high-side and low-side switch. It provides a low-noise, regulated output voltage with minimal external components. The device is designed for applications requiring high efficiency and compact size.  

### **Features:**  
- **Low Noise:** Uses a constant-frequency PWM architecture for reduced EMI.  
- **Wide Input Range:** Supports operation from 4V to 36V.  
- **Adjustable Output:** Set via an external resistor divider.  
- **Integrated Switches:** Eliminates the need for external MOSFETs.  
- **Thermal Shutdown:** Protects the device from overheating.  
- **Soft-Start:** Reduces inrush current during startup.  
- **Synchronizable:** Can be synchronized to an external clock.  

This device is commonly used in industrial, automotive, and telecom applications where high efficiency and low noise are critical.

Partnumber Manufacturer Quantity Availability
LTC3252EDE LT 95 In Stock

Description and Introduction

Dual, Low Noise, Inductorless Step-Down DC/DC Converter The LTC3252EDE is a high-efficiency, low-noise, dual-output charge pump DC/DC converter manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Voltages:**  
  - Positive Output: Up to 2 × VIN  
  - Negative Output: Down to -1 × VIN  
- **Output Current:** Up to 100mA per output  
- **Switching Frequency:** 1.5MHz (typical)  
- **Low Noise:** Constant-frequency operation reduces output ripple  
- **Low Quiescent Current:** 50µA (typical)  
- **Shutdown Current:** <1µA  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 14-Lead DFN (4mm × 3mm)  

### **Features:**  
- **Dual Output Charge Pump:** Generates both positive and negative voltages from a single input.  
- **No Inductors Required:** Uses only flying capacitors.  
- **Low EMI:** Fixed-frequency operation minimizes noise.  
- **Independent Enable Pins:** Allows separate control of positive and negative outputs.  
- **Thermal Shutdown Protection:** Prevents damage from excessive heat.  
- **Compact Solution:** Suitable for space-constrained applications.  

### **Applications:**  
- Biasing circuits  
- Portable instruments  
- OLED displays  
- Sensor power supplies  

For detailed electrical characteristics, refer to the official datasheet.

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