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MAX1717EEG from MAXIM,MAXIM - Dallas Semiconductor

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MAX1717EEG

Manufacturer: MAXIM, MAX

Dynamically Adjustable / Synchronous Step-Down Controller for Notebook CPUs

Partnumber Manufacturer Quantity Availability
MAX1717EEG MAXIM, MAX 15500 In Stock

Description and Introduction

Dynamically Adjustable / Synchronous Step-Down Controller for Notebook CPUs The MAX1717EEG is a step-down controller from Maxim Integrated (now part of Analog Devices). Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated (now Analog Devices)  
- **Part Number:** MAX1717EEG  
- **Package:** 24-pin QSOP (Quarter Small Outline Package)  
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** Adjustable down to 1.25V  
- **Switching Frequency:** Up to 300kHz  
- **Output Current:** Controller-based (requires external MOSFETs)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The MAX1717EEG is a high-efficiency, step-down DC-DC controller designed for applications requiring high input voltages and adjustable output voltages. It uses an external N-channel MOSFET for switching regulation, providing flexibility in power design. The device includes features such as soft-start, overcurrent protection, and thermal shutdown for reliable operation.  

### **Features:**  
- **Wide Input Voltage Range (4.5V to 28V)** – Suitable for various power sources.  
- **Adjustable Output Voltage (Down to 1.25V)** – Supports low-voltage applications.  
- **High Efficiency (Up to 95%)** – Reduces power loss.  
- **External MOSFET Drive** – Allows for scalable power handling.  
- **Programmable Soft-Start** – Prevents inrush current.  
- **Overcurrent Protection** – Enhances system reliability.  
- **Thermal Shutdown** – Protects against overheating.  
- **300kHz Switching Frequency** – Balances efficiency and component size.  

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

Application Scenarios & Design Considerations

Dynamically Adjustable / Synchronous Step-Down Controller for Notebook CPUs

Alternative Part Number

  • ISL6227CAZ --: Dual synchronous buck PWM controller with similar function and pinout, widely used as a MAX1717 replacement in notebook power designs.
  • TPS51120PWPR --: Dual-channel synchronous buck controller for notebook DDR/power rails, comparable feature set and electrical ratings.
  • RT8205CGQW --: Dual synchronous buck controller offering similar multi-output regulation, commonly cross-referenced for MAX1717 applications.
  • RT8205LZQW --: Dual synchronous buck controller for notebook applications, functionally equivalent and commonly cross-referenced for MAX1717 designs.

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