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MAX757ESA from MAXIM,MAXIM - Dallas Semiconductor

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MAX757ESA

Manufacturer: MAXIM

3.3V/5V/Adjustable-Output, Step-Up DC-DC Converters

Partnumber Manufacturer Quantity Availability
MAX757ESA MAXIM 2500 In Stock

Description and Introduction

3.3V/5V/Adjustable-Output, Step-Up DC-DC Converters The **MAX757ESA** is a step-up (boost) DC-DC switching regulator manufactured by **Maxim Integrated** (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual data from the manufacturer:

### **Specifications:**  
- **Input Voltage Range:** 1.2V to 16.5V  
- **Output Voltage:** Adjustable from 2.7V to 16.5V (set via external resistors)  
- **Output Current:** Up to **300mA** (dependent on input/output conditions)  
- **Switching Frequency:** **500kHz** (fixed)  
- **Efficiency:** Up to **90%**  
- **Quiescent Current:** **1.5mA** (typical)  
- **Shutdown Current:** **1µA** (max)  
- **Operating Temperature Range:** **-40°C to +85°C**  
- **Package:** **8-pin SOIC (ESA)**  

### **Descriptions:**  
- The **MAX757ESA** is a **current-mode PWM** boost converter designed for low-voltage applications.  
- It includes an **internal N-channel MOSFET switch** (1A peak current) for efficient power conversion.  
- Features **soft-start** to limit inrush current during startup.  
- Suitable for battery-powered devices, portable electronics, and systems requiring regulated higher voltages from low-voltage sources.  

### **Features:**  
- **Wide Input Voltage Range (1.2V–16.5V)** – Supports single-cell to multi-cell battery inputs.  
- **Adjustable Output Voltage (2.7V–16.5V)** – Set via external resistor divider.  
- **High Efficiency (Up to 90%)** – Optimized for low-power applications.  
- **Low Shutdown Current (1µA max)** – Extends battery life.  
- **Internal Current Limiting** – Protects against overloads.  
- **500kHz Fixed Switching Frequency** – Reduces inductor size.  
- **SOIC-8 Package** – Compact and surface-mountable.  

For exact performance under specific conditions, refer to the official **MAX757ESA datasheet** from Maxim Integrated (Analog Devices).

Application Scenarios & Design Considerations

3.3V/5V/Adjustable-Output, Step-Up DC-DC Converters

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