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LTC3859AIUHF#PBF from LINEAR

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LTC3859AIUHF#PBF

Manufacturer: LINEAR

Low IQ, Triple Output, Buck/Buck/Boost Synchronous Controller with Improved Burst Mode Operation

Partnumber Manufacturer Quantity Availability
LTC3859AIUHF#PBF,LTC3859AIUHFPBF LINEAR 26 In Stock

Description and Introduction

Low IQ, Triple Output, Buck/Buck/Boost Synchronous Controller with Improved Burst Mode Operation **Manufacturer:** Linear Technology (now part of Analog Devices)  

**Part Number:** LTC3859AIUHF#PBF  

### **Specifications:**  
- **Type:** Synchronous Step-Down Switching Regulator Controller  
- **Input Voltage Range:** 4.5V to 38V  
- **Output Voltage Range:** 0.8V to 5.5V (adjustable)  
- **Output Current:** Up to 20A (with external MOSFETs)  
- **Switching Frequency:** 50kHz to 900kHz (programmable)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 38-Lead QFN (5mm x 7mm)  

### **Descriptions:**  
The LTC3859AIUHF#PBF is a high-performance, dual-phase synchronous step-down switching regulator controller. It is designed for high-current, high-efficiency applications. The device features a wide input voltage range and programmable switching frequency, making it suitable for various power supply designs.  

### **Features:**  
- Dual-phase operation for reduced input/output ripple  
- Programmable frequency synchronization  
- Adjustable current limit  
- Precision 0.8V reference voltage  
- Power good indicator  
- Soft-start and tracking capability  
- Low shutdown current (<1µA)  
- Overvoltage and overcurrent protection  

This controller requires external MOSFETs, inductors, and capacitors to complete the power supply circuit.  

(Note: Always refer to the official datasheet for detailed specifications and application guidelines.)

Application Scenarios & Design Considerations

Low IQ, Triple Output, Buck/Buck/Boost Synchronous Controller with Improved Burst Mode Operation

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