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MAX1970EEE+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX1970EEE+

Manufacturer: MAXIM, MAX

Dual, 180° Out-of-Phase, 1.4MHz, 750mA Step-Down Regulator with POR and RSI/PFO

Partnumber Manufacturer Quantity Availability
MAX1970EEE+,MAX1970EEE MAXIM, MAX 209 In Stock

Description and Introduction

Dual, 180° Out-of-Phase, 1.4MHz, 750mA Step-Down Regulator with POR and RSI/PFO The MAX1970EEE+ is a high-efficiency, step-down DC-DC converter manufactured by Maxim Integrated. Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**
- **Input Voltage Range:** 4.5V to 23V  
- **Output Voltage Range:** Adjustable from 0.8V to 5.5V  
- **Output Current:** Up to 10A  
- **Switching Frequency:** 300kHz (adjustable up to 1MHz)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-QSOP (Exposed Pad)  

### **Descriptions:**
The MAX1970EEE+ is a synchronous buck (step-down) DC-DC converter designed for high-efficiency power conversion in applications requiring high output current. It integrates low-resistance MOSFETs for reduced power dissipation and supports adjustable output voltage via an external resistor divider. The device includes features such as soft-start, overcurrent protection, and thermal shutdown for robust operation.

### **Features:**
- **High-Efficiency Synchronous Rectification**  
- **Adjustable Output Voltage (0.8V to 5.5V)**  
- **Programmable Switching Frequency (300kHz to 1MHz)**  
- **Integrated Power MOSFETs**  
- **Soft-Start Function**  
- **Overcurrent and Thermal Protection**  
- **Low Dropout Operation**  
- **Exposed Pad for Enhanced Thermal Performance**  

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

Application Scenarios & Design Considerations

Dual, 180° Out-of-Phase, 1.4MHz, 750mA Step-Down Regulator with POR and RSI/PFO

Alternative Part Number

  • TPS62040DGQ --: High-efficiency step-down converter with similar input voltage range and output current, suitable for replacing the MAX1970 in many power supply designs.
  • LTC3406ES5 --: Compact synchronous buck regulator offering comparable switching frequency and load capability, often used as a drop-in alternative for small step-down applications.
  • AP3402KTR-G1 --: Low-cost 2A synchronous step-down converter with similar electrical characteristics, providing a practical second-source option for the MAX1970EEE+.
  • LTC3406ES5#TRPBF --: High-efficiency synchronous buck converter in a small package, suitable replacement for similar low-voltage rails.
  • AP3418KTR-G1 --: Low-cost 1.5A synchronous buck converter with comparable switching frequency and compact footprint.

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