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LTC3823EUH#PBF from LT

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15.625ms

LTC3823EUH#PBF

Manufacturer: LT

Fast No Rsense Step-Down Synchronous DC/DC Controller with Differential Output Sensing, Tracking and PLL

Partnumber Manufacturer Quantity Availability
LTC3823EUH#PBF,LTC3823EUHPBF LT 123 In Stock

Description and Introduction

Fast No Rsense Step-Down Synchronous DC/DC Controller with Differential Output Sensing, Tracking and PLL The LTC3823EUH#PBF is a high-performance synchronous step-down switching regulator controller manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 36V  
- **Output Voltage Range:** 0.8V to 24V  
- **Switching Frequency:** Adjustable from 50kHz to 900kHz  
- **Maximum Duty Cycle:** 100%  
- **Operating Temperature Range:** -40°C to 125°C  
- **Package:** 32-Lead QFN (5mm × 5mm)  
- **Efficiency:** Up to 95%  
- **Current Mode Control:** Yes  
- **Synchronous Rectification:** Yes  
- **Adjustable Soft-Start:** Yes  
- **Power Good Output:** Yes  
- **Low Quiescent Current:** 85μA (in shutdown mode)  

### **Descriptions:**  
The LTC3823EUH#PBF is designed for high-efficiency, high-power-density step-down DC/DC converter applications. It features a constant-frequency current-mode architecture, providing excellent line and load regulation. The controller drives external N-channel MOSFETs and supports adjustable switching frequency, allowing optimization for efficiency and component size.  

### **Features:**  
- Wide input voltage range (4.5V to 36V)  
- High efficiency synchronous operation  
- Adjustable switching frequency (50kHz to 900kHz)  
- Low shutdown current (85μA)  
- Programmable soft-start  
- Power good indicator  
- Current mode control for fast transient response  
- 100% duty cycle capability for low dropout operation  
- Short-circuit protection  
- Thermally enhanced 32-lead QFN package  

This device is suitable for applications such as industrial power supplies, telecom systems, automotive power management, and distributed power architectures.

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