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MAX1853EXT from MAX,MAXIM - Dallas Semiconductor

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MAX1853EXT

Manufacturer: MAX

SC70 Inverting Charge Pumps with Shutdown

Partnumber Manufacturer Quantity Availability
MAX1853EXT MAX 2 In Stock

Description and Introduction

SC70 Inverting Charge Pumps with Shutdown The MAX1853EXT is a step-up DC-DC converter manufactured by Maxim Integrated (now part of Analog Devices). Below are the factual details about its specifications, descriptions, and features:

### **Manufacturer:**  
- **MAX** (Maxim Integrated, now part of Analog Devices)  

### **Specifications:**  
- **Input Voltage Range:** 0.7V to 5.5V  
- **Output Voltage Range:** Adjustable from 1.25V to 5.5V  
- **Maximum Output Current:** Up to 300mA (depending on input voltage and output settings)  
- **Switching Frequency:** 500kHz (typical)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 6-Pin SOT23  

### **Descriptions:**  
- The MAX1853EXT is a low-power, step-up DC-DC converter designed for battery-powered applications.  
- It integrates a power switch and rectifier, minimizing external components.  
- Suitable for applications requiring a regulated voltage higher than the input supply.  

### **Features:**  
- **Low Start-Up Voltage:** Operates down to 0.7V input.  
- **Internal Power Switch:** Eliminates the need for an external MOSFET.  
- **Low Quiescent Current:** Typically 15µA, improving battery life.  
- **Adjustable Output Voltage:** Set via an external resistor divider.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Thermal Shutdown Protection:** Prevents damage from overheating.  
- **Small Footprint:** 6-Pin SOT23 package for space-constrained designs.  

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

Application Scenarios & Design Considerations

SC70 Inverting Charge Pumps with Shutdown

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