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MAX1709ESE+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX1709ESE+T

Manufacturer: MAXIM

4A, Low-Noise, High-Frequency, Step-Up DC-DC Converter

Partnumber Manufacturer Quantity Availability
MAX1709ESE+T,MAX1709ESET MAXIM 2026 In Stock

Description and Introduction

4A, Low-Noise, High-Frequency, Step-Up DC-DC Converter The **MAX1709ESE+T** is a step-up DC-DC converter manufactured by **MAXIM Integrated** (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Manufacturer:** MAXIM Integrated  
- **Type:** Step-Up (Boost) DC-DC Converter  
- **Input Voltage Range:** 0.7V to 5.5V  
- **Output Voltage Range:** Adjustable (up to 28V)  
- **Output Current:** Up to 300mA (depending on input/output conditions)  
- **Switching Frequency:** 500kHz (typical)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-pin Narrow SOIC (SO-16)  
- **Shutdown Current:** <1µA  

### **Descriptions:**  
The MAX1709ESE+T is a high-efficiency, low-voltage step-up DC-DC converter designed for battery-powered applications. It integrates a power MOSFET and features a low startup voltage (0.7V), making it suitable for single-cell or dual-cell alkaline/NiMH battery systems.  

### **Features:**  
- **Wide Input Voltage Range:** Operates from 0.7V to 5.5V  
- **Adjustable Output Voltage:** Up to 28V  
- **Internal Power MOSFET:** Simplifies design and reduces external components  
- **Low Quiescent Current:** 20µA (typical)  
- **Soft-Start Function:** Prevents inrush current  
- **Thermal Shutdown Protection:** Prevents overheating  
- **Current-Limiting Protection:** Enhances reliability  
- **Small Footprint:** 16-pin SOIC package  

This converter is commonly used in portable electronics, LCD bias supplies, and other applications requiring a regulated high-voltage output from a low-voltage input.

Application Scenarios & Design Considerations

4A, Low-Noise, High-Frequency, Step-Up DC-DC Converter
Partnumber Manufacturer Quantity Availability
MAX1709ESE+T,MAX1709ESET MAX 1174 In Stock

Description and Introduction

4A, Low-Noise, High-Frequency, Step-Up DC-DC Converter The MAX1709ESE+T is a step-up DC-DC converter manufactured by Maxim Integrated.  

### **Specifications:**  
- **Input Voltage Range:** 0.7V to 5.5V  
- **Output Voltage Range:** Adjustable from 2V to 5.5V  
- **Output Current:** Up to 300mA (depending on input/output conditions)  
- **Switching Frequency:** 500kHz (typical)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-pin narrow SOIC (150 mils)  

### **Descriptions:**  
The MAX1709ESE+T is a high-efficiency, low-noise, step-up DC-DC converter designed for battery-powered applications. It features a synchronous rectifier to improve efficiency and includes a low-battery detector. The device operates with input voltages as low as 0.7V, making it suitable for single-cell or dual-cell battery applications.  

### **Features:**  
- **True 0.7V Start-Up Voltage** (operates down to 0.7V after start-up)  
- **Synchronous Rectification** for high efficiency  
- **Adjustable Output Voltage** (2V to 5.5V)  
- **Low-Battery Detector** with adjustable threshold  
- **500kHz Fixed-Frequency PWM Operation**  
- **Low 40µA Quiescent Current**  
- **Thermal Shutdown Protection**  
- **Overcurrent Protection**  

This device is commonly used in portable electronics, such as digital cameras, PDAs, and handheld instruments.

Application Scenarios & Design Considerations

4A, Low-Noise, High-Frequency, Step-Up DC-DC Converter

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