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MAX1703ESE

Manufacturer: MAX, MAXIM, MAXI

1-Cell to 3-Cell / High-Power 1.5A / Low-Noise / Step-Up DC-DC Converter

Partnumber Manufacturer Quantity Availability
MAX1703ESE MAX, MAXIM, MAXI 1832 In Stock

Description and Introduction

1-Cell to 3-Cell / High-Power 1.5A / Low-Noise / Step-Up DC-DC Converter The MAX1703ESE is a step-up DC-DC converter manufactured by Maxim Integrated (now part of Analog Devices). Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated (MAXI)  
- **Type:** Step-Up (Boost) DC-DC Converter  
- **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 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-pin Narrow SOIC (SO-16)  
- **Shutdown Current:** <1µA  

### **Descriptions:**  
The MAX1703ESE is a high-efficiency, low-noise, step-up DC-DC converter designed for battery-powered applications. It integrates a power MOSFET and provides a regulated output voltage from a single-cell or dual-cell battery input. The device is optimized for portable electronics, such as handheld devices, where extended battery life is critical.  

### **Features:**  
- **Low Startup Voltage:** Operates down to 0.7V input.  
- **Internal Power MOSFET:** Simplifies design and reduces external components.  
- **Adjustable Output Voltage:** Set via external resistors.  
- **Low Quiescent Current:** 16µA (typical) for improved battery life.  
- **Pulse-Skipping Mode:** Enhances efficiency at light loads.  
- **Soft-Start Function:** Reduces inrush current.  
- **Thermal Shutdown Protection:** Prevents overheating.  
- **Compact Package:** 16-pin SOIC for space-constrained applications.  

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

Application Scenarios & Design Considerations

1-Cell to 3-Cell / High-Power 1.5A / Low-Noise / Step-Up DC-DC Converter

Alternative Part Number

  • LTC3401EMS8 --: High-efficiency synchronous boost converter in MSOP-8, functionally similar to the MAX1703 step-up converter and suitable as a direct alternative.
  • TPS61020DRB --: Boost converter with integrated switch in a small package, comparable input/output range and current capability, widely available alternative.
  • NCP1402SN50T1 --: Compact boost regulator with similar step-up function and low quiescent current, usable in place of the MAX1703 in many low-power designs.
  • TPS61020DRCR --: Boost converter with integrated switch in a similar power range, widely available and pin-compatible in function for many step-up applications.
  • LTC3426ES6 --: High-efficiency synchronous boost converter offering comparable input voltage range and output current, suitable as a functional replacement.
  • NCP1402SN50T1G --: Low-power boost converter with similar topology and small package, usable in designs where the MAX1703 boost function is required at lower current.
  • NCP1402SN33T1G --: Compact boost converter with fixed 3.3V output, widely available and cost-effective alternative for low-power step-up regulation.
  • LTC3401EMS --: High-efficiency synchronous boost converter in MSOP-8, functionally similar to the MAX1703 step-up converter and suitable as a direct design alternative.
  • TPS61020DRC --: Boost converter with integrated switch in a small package, comparable input/output range and current capability, widely available alternative.

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