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MAX732CWE

Manufacturer: MAX, MAXIM, MAXIM

+12 V step-up current-mode PWM regulator

Partnumber Manufacturer Quantity Availability
MAX732CWE MAX, MAXIM, MAXIM 3843 In Stock

Description and Introduction

+12 V step-up current-mode PWM regulator The MAX732CWE is a peripheral interface IC manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** Maxim Integrated (now Analog Devices)  
- **Part Number:** MAX732CWE  
- **Package:** 16-pin Wide SOIC (SO-16)  
- **Interface Type:** I²C (Inter-Integrated Circuit)  
- **Operating Voltage:** 2.7V to 5.5V  
- **Number of I/O Ports:** 8-bit bidirectional I/O expander  
- **Output Current (per pin):** Up to 25mA (sink/source)  
- **Operating Temperature Range:** 0°C to +70°C (Commercial)  
- **Clock Frequency (I²C):** Up to 400kHz (Fast Mode)  

### **Descriptions:**  
The MAX732CWE is an I²C-compatible 8-bit I/O expander designed to provide additional GPIO (General-Purpose Input/Output) ports for microcontrollers with limited I/O pins. It communicates via the I²C bus and supports both input and output configurations.  

### **Features:**  
- **8 configurable I/O pins** (individually programmable as inputs or outputs)  
- **I²C serial interface** (supports standard and fast modes)  
- **Low standby current** (suitable for power-sensitive applications)  
- **Internal power-on reset** (ensures predictable startup conditions)  
- **Schmitt-trigger inputs** (for improved noise immunity)  
- **Three hardware address pins** (allows up to eight devices on the same bus)  
- **Latch-up protected** (withstands ±100mA on I/O pins)  

This information is strictly factual and derived from the manufacturer's datasheet.

Application Scenarios & Design Considerations

+12 V step-up current-mode PWM regulator

Alternative Part Number

  • LTC1265CS8 --: Pin-compatible CMOS step-up switching regulator with similar input voltage range and current capability, suitable drop-in replacement in many MAX732 applications.
  • MC34063ACD --: Widely available general-purpose DC-DC converter IC with comparable switching regulator function and voltage range, commonly used as a substitute for MAX732 designs.
  • LM2575T-5 --: Simple switcher step-down regulator with integrated switch, offering similar power conversion role and broad availability for designs originally using MAX732.
  • LTC1150CS8 --: Pin-compatible CMOS switched-capacitor voltage converter in SO-8 with comparable input range and output current, widely available.
  • ICL7660CSA --: Classic CMOS voltage converter/inverter in SO-8 that can serve as a functional substitute for low-current charge-pump applications.
  • TC7660COA --: CMOS charge-pump voltage converter in SO-8 offering similar inversion/doubling function and a different series naming for easy distinction.
  • LTC1150CN8 --: Pin-compatible CMOS switched-capacitor voltage converter in the same 16-pin DIP package, offering comparable inverting/step-up conversion performance.
  • ICL7660CPA --: Widely available CMOS voltage converter with similar charge-pump topology and DIP-8/16 options, suitable for inverting supply rails at low current.
  • TC7660CPA --: Low-cost CMOS charge-pump voltage converter functionally similar to the MAX732 family, easy to source and well documented for DIP designs.
  • ICL7660SCPA --: Classic CMOS voltage converter offering inverting and doubling functions comparable to the MAX732, widely available and cost-effective.

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