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MAX1774EEI from MAXIM,MAXIM - Dallas Semiconductor

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MAX1774EEI

Manufacturer: MAXIM

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

Partnumber Manufacturer Quantity Availability
MAX1774EEI MAXIM 6698 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. Below are its key specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Input Voltage Range:** 1.8V to 5.5V  
- **Output Voltage Range:** Adjustable from 2.5V to 5.5V  
- **Output Current:** Up to 1A  
- **Switching Frequency:** 500kHz (typ)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 28-pin QSOP  

### **Descriptions:**  
- The MAX1774EEI is a high-efficiency, step-up DC-DC converter designed for battery-powered applications.  
- It integrates a synchronous rectifier for improved efficiency and includes an internal power MOSFET.  
- The device supports low-voltage operation, making it suitable for single-cell Li-ion or dual-cell NiMH/NiCd battery systems.  

### **Features:**  
- **Wide Input Voltage Range:** Operates from 1.8V to 5.5V.  
- **Adjustable Output Voltage:** Configurable from 2.5V to 5.5V via external resistors.  
- **High Efficiency:** Up to 95% due to synchronous rectification.  
- **Low Quiescent Current:** 50µA (typ) in shutdown mode.  
- **Internal Soft-Start:** Reduces inrush current during startup.  
- **Overcurrent Protection:** Prevents damage under fault conditions.  
- **Thermal Shutdown:** Protects the device from overheating.  

This information is strictly based on the manufacturer's datasheet for the MAX1774EEI.

Application Scenarios & Design Considerations

Dual, High-Efficiency, Step-Down Converter with Backup Battery Switchover
Partnumber Manufacturer Quantity Availability
MAX1774EEI MAX 1960 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 the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Manufacturer:**  
Maxim Integrated (Analog Devices)  

### **Part Number:**  
MAX1774EEI  

### **Description:**  
The MAX1774EEI is a high-efficiency, step-up DC-DC converter designed for applications requiring a regulated output voltage from a low input voltage source. It is optimized for battery-powered systems and provides a compact, high-performance power solution.  

### **Key Features:**  
- **Input Voltage Range:** 0.7V to 5.5V  
- **Adjustable Output Voltage:** Up to 5.5V  
- **High Efficiency:** Up to 94%  
- **Switching Frequency:** 500kHz  
- **Low Quiescent Current:** 19µA (typical)  
- **Internal Power MOSFET:** Reduces external component count  
- **Soft-Start Function:** Prevents inrush current  
- **Undervoltage Lockout (UVLO):** Ensures proper operation at low input voltages  
- **Package:** 28-pin SSOP (Shrink Small Outline Package)  

### **Applications:**  
- Battery-powered devices  
- Portable electronics  
- Energy harvesting systems  
- Low-voltage power supplies  

This information is based on the manufacturer's datasheet and technical documentation. For detailed electrical characteristics and application circuits, refer to the official datasheet.

Application Scenarios & Design Considerations

Dual, High-Efficiency, Step-Down Converter with Backup Battery Switchover
Partnumber Manufacturer Quantity Availability
MAX1774EEI MAXIM 28 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

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