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MAX1519ETL from MAXIM,MAXIM - Dallas Semiconductor

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MAX1519ETL

Manufacturer: MAXIM

Dual-Phase, Quick-PWM Controllers for Programmable CPU Core Power Supplies

Partnumber Manufacturer Quantity Availability
MAX1519ETL MAXIM 1300 In Stock

Description and Introduction

Dual-Phase, Quick-PWM Controllers for Programmable CPU Core Power Supplies The MAX1519ETL is a high-efficiency, step-down DC-DC converter manufactured by Maxim Integrated. Below are its specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 2.5V to 5.5V  
- **Output Voltage Range:** Adjustable from 0.8V to VIN  
- **Output Current:** Up to 1.2A  
- **Switching Frequency:** 1MHz (fixed)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 10-pin TDFN (3mm x 3mm)  

### **Descriptions:**  
The MAX1519ETL is a synchronous step-down DC-DC converter optimized for high efficiency and compact size. It integrates low RDS(ON) MOSFETs to minimize power loss and features a fixed-frequency PWM control for stable operation. It is suitable for portable devices, battery-powered applications, and point-of-load regulation.  

### **Features:**  
- **High Efficiency:** Up to 95% efficiency due to synchronous rectification.  
- **Low Dropout Operation:** Allows operation at 100% duty cycle for extended battery life.  
- **Internal Compensation:** Simplifies design and reduces external component count.  
- **Soft-Start:** Prevents inrush current at startup.  
- **Overcurrent and Thermal Protection:** Ensures safe operation under fault conditions.  
- **Low Quiescent Current:** 40µA (typ) in shutdown mode.  
- **Adjustable Output Voltage:** Set via external resistors.  

The MAX1519ETL is designed for space-constrained applications requiring high efficiency and reliable power conversion.

Application Scenarios & Design Considerations

Dual-Phase, Quick-PWM Controllers for Programmable CPU Core Power Supplies

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