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MAX859ESA from MAXIM,MAXIM - Dallas Semiconductor

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MAX859ESA

Manufacturer: MAXIM

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

Partnumber Manufacturer Quantity Availability
MAX859ESA MAXIM 5000 In Stock

Description and Introduction

3.3V/5V or Adjustable-Output / Step-Up DC-DC Converters The MAX859ESA is a step-up DC-DC converter manufactured by Maxim Integrated. Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX859ESA  
- **Package:** 8-SOIC  
- **Type:** Step-Up (Boost) DC-DC Converter  
- **Input Voltage Range:** 0.7V to 5.5V  
- **Output Voltage:** Adjustable (up to 5.5V)  
- **Output Current:** Up to 300mA  
- **Switching Frequency:** 500kHz  
- **Efficiency:** Up to 94%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Shutdown Current:** <1µA  

### **Descriptions:**  
The MAX859ESA is a high-efficiency, step-up DC-DC converter designed for low-voltage applications. It is optimized for battery-powered devices, providing a regulated output voltage from a single-cell or dual-cell battery input. The device features internal power switches, minimizing external component count.  

### **Features:**  
- **Low Start-Up Voltage:** Operates down to 0.7V input  
- **Adjustable Output Voltage:** Set via external resistors  
- **Internal Power MOSFETs:** Reduces external components  
- **High Efficiency:** Up to 94%  
- **Low Shutdown Current:** <1µA  
- **500kHz Switching Frequency:** Allows small external components  
- **Overcurrent Protection:** Prevents damage during faults  
- **Compact 8-SOIC Package:** Suitable for space-constrained designs  

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

Application Scenarios & Design Considerations

3.3V/5V or Adjustable-Output / Step-Up DC-DC Converters
Partnumber Manufacturer Quantity Availability
MAX859ESA MAX 32 In Stock

Description and Introduction

3.3V/5V or Adjustable-Output / Step-Up DC-DC Converters The MAX859ESA 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:**  
- **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  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin SOIC (Small Outline Integrated Circuit)  
- **Shutdown Current:** <1µA  

### **Descriptions:**  
The MAX859ESA is a high-efficiency, low-power, step-up DC-DC converter designed for battery-powered applications. It integrates a power switch, rectifier, and control circuitry to provide a compact solution for boosting low input voltages to higher output levels.  

### **Features:**  
- **Low Start-Up Voltage:** Operates down to 0.7V input.  
- **Internal Power Switch:** Eliminates the need for an external MOSFET.  
- **Pulse-Width Modulation (PWM) Operation:** Ensures stable output under varying loads.  
- **Low Quiescent Current:** Typically 20µA, improving battery life.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Thermal Shutdown Protection:** Prevents damage from overheating.  
- **Small Footprint:** Suitable for space-constrained designs.  

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

Application Scenarios & Design Considerations

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

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