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MAX1715 from MAX,MAXIM - Dallas Semiconductor

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MAX1715

Manufacturer: MAX, MAXIM

Ultra-High-Efficiency, Dual Step-Down Controller for Notebook Computers
Partnumber Manufacturer Quantity Availability
MAX1715 MAX, MAXIM 946 In Stock

Description and Introduction

Ultra-High-Efficiency, Dual Step-Down Controller for Notebook Computers The MAX1715 is a step-down controller designed for notebook computers, manufactured by Maxim Integrated. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 30V  
- **Output Voltage Range:** Adjustable from 1.25V to 5.5V  
- **Switching Frequency:** 300kHz (fixed)  
- **Output Current:** Up to 15A (with external MOSFETs)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-pin QSOP (Quarter Small Outline Package)  

### **Descriptions:**  
The MAX1715 is a high-efficiency, synchronous step-down DC-DC controller optimized for notebook power supplies. It uses external N-channel MOSFETs to regulate the output voltage and supports high-current applications. The IC includes features like soft-start, overcurrent protection, and undervoltage lockout (UVLO) for robust operation.  

### **Features:**  
- **Synchronous Rectification:** Improves efficiency by reducing power loss.  
- **Adjustable Output Voltage:** Set via external resistors.  
- **Soft-Start:** Prevents inrush current during startup.  
- **Overcurrent Protection (OCP):** Safeguards against excessive load currents.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation under low input voltage conditions.  
- **Power-Good (PG) Output:** Monitors output voltage status.  
- **Low Dropout Operation:** Maintains regulation even with small input-output differentials.  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Ultra-High-Efficiency, Dual Step-Down Controller for Notebook Computers

Alternative Part Number

  • ISL6520ACBZ --: Single synchronous buck PWM controller with similar voltage-mode architecture and compact SOIC-8 package; widely available and a common drop-in for MAX1715-class notebook CPU core supplies.
  • TPS51116PWPR --: Dual-output DDR/notebook power controller with integrated LDO and synchronous buck control, covering the same application space as the MAX1715 with a different naming series and good stock availability.
  • RT8205AGQW --: Dual-channel synchronous buck controller for notebook CPU/GPU rails, functionally comparable to the MAX1715 and offered in a different series for easy distinction.
  • ISL6227 --: Dual synchronous buck PWM controller with similar function and pin-compatible feature set, widely used as a MAX1715 substitute in notebook power designs.
  • TPS51124 --: Dual-channel synchronous buck controller offering comparable output capability and control architecture, suitable for replacing MAX1715 in low-voltage CPU/core supplies.
  • SC1408 --: Dual synchronous buck controller with similar voltage-mode control and compact package, providing a functional alternative for MAX1715 applications.
  • TPS51116 --: Dual-output synchronous buck controller with similar function and pin-compatible feature set, widely available and well documented.
  • LTC3728 --: Dual high-efficiency synchronous step-down controller offering similar performance and reliability for the same application class.

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