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MAX203EEPP from MAXIM,MAXIM - Dallas Semiconductor

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MAX203EEPP

Manufacturer: MAXIM, MAX

【15kV ESD-Protected, +5V RS-232 Transceivers

Partnumber Manufacturer Quantity Availability
MAX203EEPP MAXIM, MAX 160 In Stock

Description and Introduction

【15kV ESD-Protected, +5V RS-232 Transceivers The MAX203EEPP is a high-efficiency, 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 up to 5.5V  
- **Output Current:** Up to 300mA (depending on input/output conditions)  
- **Switching Frequency:** 500kHz (typical)  
- **Efficiency:** Up to 94%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 20-pin Plastic DIP (PDIP)  

### **Descriptions:**
- The MAX203EEPP is a **boost (step-up) DC-DC converter** designed for low-input-voltage applications.  
- It is optimized for **battery-powered devices**, such as portable electronics, where efficient power conversion is critical.  
- The device includes an **integrated power switch**, reducing external component count.  
- It supports **low-voltage startup** (as low as 0.7V), making it suitable for single-cell battery applications.  

### **Features:**
- **Ultra-Low Input Voltage Operation** (starts at 0.7V)  
- **Adjustable Output Voltage** (up to 5.5V via external resistors)  
- **Internal Power MOSFET Switch** (simplifies design)  
- **Low Quiescent Current** (improves battery life)  
- **Thermal Shutdown Protection** (prevents overheating)  
- **Soft-Start Function** (reduces inrush current)  

This device is commonly used in **energy harvesting, wireless sensors, and portable electronics** where efficient power conversion from low-voltage sources is required.  

(Note: Always refer to the official datasheet for the most accurate and detailed information.)

Application Scenarios & Design Considerations

【15kV ESD-Protected, +5V RS-232 Transceivers

Alternative Part Number

  • ICL3221ECPZ --: Pin-compatible RS-232 transceiver with integrated charge pump, functionally equivalent to the MAX203 in DIP-20 package.
  • SP3223ECP --: Dual RS-232 driver/receiver with on-chip charge pump, direct functional replacement for MAX203 in through-hole designs.
  • ADM3202ANZ --: Low-power RS-232 transceiver with internal charge pump, widely used as a drop-in alternative to MAX203-class parts.
  • ST232ECN --: Low-cost 5V RS-232 transceiver in a 16-pin DIP with equivalent driver/receiver functionality; requires minor pinout adaptation but is a reliable, widely stocked alternative.

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