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MAX634CSA

Manufacturer: MAXIM, MAX

CMOS Micropower Inverting Switching Regulator

Partnumber Manufacturer Quantity Availability
MAX634CSA MAXIM, MAX 1031 In Stock

Description and Introduction

CMOS Micropower Inverting Switching Regulator The MAX634CSA is a precision voltage reference IC manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** 4.096V  
- **Initial Accuracy:** ±0.5% (max)  
- **Temperature Coefficient:** 10ppm/°C (max)  
- **Operating Current:** 1.2mA (typical)  
- **Line Regulation:** 0.02%/V (max)  
- **Load Regulation:** 0.05%/mA (max)  
- **Output Current:** 10mA (max)  
- **Operating Temperature Range:** 0°C to +70°C  
- **Package:** 8-pin SOIC  

### **Descriptions:**
- The MAX634CSA is a low-power, precision voltage reference with a fixed output of 4.096V.  
- It is designed for applications requiring high stability and accuracy, such as data acquisition systems, digital voltmeters, and industrial control systems.  
- The device features low noise and excellent long-term stability.  

### **Features:**
- **High Precision:** ±0.5% initial accuracy.  
- **Low Drift:** 10ppm/°C maximum temperature coefficient.  
- **Low Power Consumption:** 1.2mA typical operating current.  
- **Stable Output:** Excellent line and load regulation.  
- **Wide Operating Range:** Suitable for industrial and commercial applications.  
- **No External Components Required:** Simplifies circuit design.  

The MAX634CSA is a reliable choice for systems requiring a stable voltage reference with minimal drift over temperature.

Application Scenarios & Design Considerations

CMOS Micropower Inverting Switching Regulator

Alternative Part Number

  • LTC1235CSW --: Pin-compatible CMOS supervisory circuit with similar reset threshold and supply monitoring functions, widely available as a direct functional substitute.
  • ICL7665SCPA --: Comparable CMOS voltage monitor/supervisor IC offering similar reset and watchdog functionality in an 8-pin package.
  • TL7705ACP --: Industry-standard supply voltage supervisor with adjustable reset threshold, suitable replacement for basic reset/monitoring applications.
  • LTC1550CS8 --: Pin-compatible CMOS charge-pump voltage converter in an 8-pin SOIC package with similar input/output voltage range and current capability, widely used as a MAX634 substitute.
  • ICL7660CSA --: Classic CMOS voltage converter/inverter in an 8-pin SOIC package offering comparable negative-voltage conversion function and supply range, a common cross-reference for MAX634 designs.
  • TC7660COA --: CMOS charge-pump voltage converter in an 8-pin SOIC package with similar operating voltage and output current, suitable as a functional replacement for the MAX634.
  • ICL7660CPA --: Pin-compatible CMOS voltage converter in the same family of charge-pump regulators, widely available and functionally equivalent for most MAX634 applications.
  • LT1054CN8 --: Switched-capacitor voltage converter with similar input range and output current, often used as a drop-in replacement for MAX634-type parts.
  • TC7660CPA --: Low-cost CMOS charge-pump converter with comparable specifications and pinout, suitable for general-purpose substitution.

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