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MAX1774EEI from MAXIM,MAXIM - Dallas Semiconductor

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MAX1774EEI

Manufacturer: MAXIM, MAX

Dual, High-Efficiency, Step-Down Converter with Backup Battery Switchover
Partnumber Manufacturer Quantity Availability
MAX1774EEI MAXIM, MAX 8686 In Stock

Description and Introduction

Dual, High-Efficiency, Step-Down Converter with Backup Battery Switchover The MAX1774EEI is a step-up DC-DC converter manufactured by Maxim Integrated (now part of Analog Devices). Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX1774EEI  
- **Type:** Step-Up DC-DC Converter  
- **Input Voltage Range:** 0.7V to 5.5V  
- **Output Voltage:** Adjustable (up to 28V)  
- **Output Current:** Up to 300mA (depending on input/output conditions)  
- **Switching Frequency:** 500kHz  
- **Efficiency:** Up to 94%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 28-pin SSOP (Shrink Small Outline Package)  

### **Descriptions:**  
The MAX1774EEI is a high-efficiency, step-up DC-DC converter designed for low-input-voltage applications. It is optimized for battery-powered systems and can generate high output voltages from very low input voltages (as low as 0.7V). The device integrates a power MOSFET and features pulse-width modulation (PWM) control for stable operation.  

### **Features:**  
- Ultra-low input voltage operation (0.7V min)  
- Adjustable output voltage (up to 28V)  
- Internal power MOSFET for reduced external component count  
- High switching frequency (500kHz) for compact designs  
- Low quiescent current (100µA typical) for improved efficiency  
- Soft-start function to limit inrush current  
- Overcurrent and thermal protection  
- Small 28-pin SSOP package  

This information is based solely on the available technical details for the MAX1774EEI from Maxim Integrated.

Application Scenarios & Design Considerations

Dual, High-Efficiency, Step-Down Converter with Backup Battery Switchover

Alternative Part Number

  • LTC3417AEFE --: Dual synchronous step-down converter in a similar TSSOP package with comparable input voltage range and current capability, suitable as a functional substitute for the MAX1774 dual regulator.
  • TPS62420DRC --: Dual step-down converter with integrated switches, similar output current and voltage range, offering a different vendor and series as a practical alternative.
  • ISL8088IRZ --: Dual channel synchronous buck regulator with comparable specifications and package, providing a cross-vendor option for the MAX1774.
  • TPS65217CRSLR --: Integrated power management IC with multiple buck converters and LDOs, suitable as a functional substitute for the MAX1774 multi-output regulator in portable applications.
  • LT3507EUHF --: Triple step-down switching regulator with similar multi-rail power management function and wide input range, a strong alternative from a different series.
  • ISL9307IRTAAJLZ --: Multi-channel power management IC with buck and LDO outputs, offering comparable functionality for systems previously using the MAX1774.
  • LTC3406ES5 --: High-efficiency synchronous step-down converter in a small package, functionally similar to the MAX1774 for many low-voltage buck applications.
  • TPS62040DRC --: Wide-input synchronous buck converter with comparable current capability and pin-compatible style footprint, suitable as a drop-in design alternative.
  • RT8010GQW --: Low-cost 1A synchronous step-down converter with similar input range and switching frequency, offering a cost-effective second source.

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