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MAX860IUA from MAXIM,MAXIM - Dallas Semiconductor

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MAX860IUA

Manufacturer: MAXIM, MAX

50mA, Frequency-Selectable, Switched-Capacitor Voltage Converters

Partnumber Manufacturer Quantity Availability
MAX860IUA MAXIM, MAX 721 In Stock

Description and Introduction

50mA, Frequency-Selectable, Switched-Capacitor Voltage Converters The MAX860IUA 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)  

### **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 voltage)  
- **Switching Frequency:** 500kHz  
- **Efficiency:** Up to 90%  
- **Quiescent Current:** 20µA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin µMAX (MSOP)  

### **Descriptions:**  
The MAX860IUA is a low-power, step-up DC-DC converter designed for battery-powered applications. It features a high-efficiency, low-noise switching regulator that can boost very low input voltages (as low as 0.7V) to higher output voltages (up to 5.5V). The device is optimized for portable electronics, such as wireless sensors, medical devices, and handheld instruments.  

### **Features:**  
- **Low Start-up Voltage:** Operates down to 0.7V  
- **Adjustable Output Voltage:** Set via external resistors  
- **Low Quiescent Current:** 20µA (extends battery life)  
- **Internal MOSFET Switch:** Simplifies design  
- **Pulse-Width Modulation (PWM) Operation:** Ensures stable output  
- **Small Footprint:** 8-pin µMAX package for space-constrained applications  
- **Overcurrent Protection:** Enhances reliability  

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

Application Scenarios & Design Considerations

50mA, Frequency-Selectable, Switched-Capacitor Voltage Converters

Alternative Part Number

  • LT1054CS8 --: Switched-capacitor voltage converter with similar inverting/doubling function, widely used as a MAX860 substitute in 8-pin SOIC.
  • ICL7660SCPA --: Classic charge-pump voltage inverter offering comparable negative supply generation, available in DIP and SOIC packages.
  • TC7660EOA --: Pin-compatible CMOS charge-pump inverter with similar voltage conversion capability and low quiescent current.

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