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MAX8550ETI from MAXI,MAXIM - Dallas Semiconductor

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MAX8550ETI

Manufacturer: MAXI, MAX, Maxim

Integrated DDR Power-Supply Solutions for Desktops, Notebooks, and Graphic Cards
Partnumber Manufacturer Quantity Availability
MAX8550ETI MAXI, MAX, Maxim 382 In Stock

Description and Introduction

Integrated DDR Power-Supply Solutions for Desktops, Notebooks, and Graphic Cards The MAX8550ETI is a step-down DC-DC converter manufactured by Maxim Integrated. Below are the factual details about its specifications, descriptions, and features:

### **Manufacturer:**  
Maxim Integrated  

### **Part Number:**  
MAX8550ETI  

### **Specifications:**  
- **Input Voltage Range:** 2.6V to 5.5V  
- **Output Voltage Range:** Adjustable from 0.8V to VIN  
- **Output Current:** Up to 6A  
- **Switching Frequency:** 1MHz (typical)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 28-pin TQFN (Thin Quad Flat No-Lead)  

### **Descriptions:**  
The MAX8550ETI is a high-efficiency, synchronous step-down DC-DC converter designed for applications requiring high output current in a compact form factor. It integrates low-side and high-side MOSFETs, reducing external component count. The device operates at a fixed switching frequency of 1MHz, allowing for small external components and fast transient response.  

### **Features:**  
- Integrated synchronous rectifier for high efficiency  
- Adjustable output voltage (0.8V to VIN)  
- Internal compensation simplifies design  
- Overcurrent and overtemperature protection  
- Power-good output for system monitoring  
- Low dropout operation  
- Soft-start for controlled startup  
- Operates from a single Li+ cell or 3.3V/5V rails  

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

Application Scenarios & Design Considerations

Integrated DDR Power-Supply Solutions for Desktops, Notebooks, and Graphic Cards

Alternative Part Number

  • ISL6262CRZ --: Single-phase buck controller with integrated MOSFET drivers, similar function and package class, widely available and pin-compatible in many designs.
  • TPS51116PWP --: DDR memory power supply controller with integrated LDO, comparable to MAX8550's DDR termination role, in HTSSOP package.
  • RT8206BGQW --: Dual-channel synchronous buck controller for DDR memory supplies, functionally equivalent alternative with good availability.
  • TPS51620RHBR --: Integrated MOSFET driver plus PWM controller for CPU VCORE rails, functionally comparable and widely available.
  • NCP5386MNR2G --: Multi-phase buck controller with VID interface, suitable as a functional substitute in similar power-supply applications.
  • TPS51125RGER --: Dual-channel synchronous buck controller for notebook DDR/core rails, functionally comparable to MAX8550 with integrated drivers and similar pin count in a QFN package.
  • RT8205LZQW --: Dual synchronous buck controller for notebook power rails, offering comparable current capability and control scheme as a cost-effective drop-in style alternative.

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