TC1044SEOA

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Converter
• Characteristics: Low Power, High Efficiency
• Package: SOIC-8
• Essence: Charge Pump Voltage Converter
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 1.5V to 5.5V
• Output Voltage Range: -1.0V to -5.2V
• Output Current: Up to 20mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TC1044SEOA has a total of 8 pins arranged as follows:

```

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| | | U1 | |___________|

Pin Configuration:

  Pin 1: GND (Ground)
  Pin 2: VOUT (Output Voltage)
  Pin 3: VIN (Input Voltage)
  Pin 4: NC (No Connection)
  Pin 5: NC (No Connection)
  Pin 6: NC (No Connection)
  Pin 7: C1- (Negative Terminal of Flying Capacitor)
  Pin 8: C1+ (Positive Terminal of Flying Capacitor)

```

Functional Features

• Provides an efficient method for generating negative voltages from positive supply voltages
• Utilizes a charge pump voltage conversion technique
• Low power consumption
• High efficiency conversion
• Requires minimal external components

Advantages

• Compact and space-saving package
• Wide input voltage range allows for versatile applications
• High output current capability
• Low quiescent current
• Simple and cost-effective solution for generating negative voltages

Disadvantages

• Limited output voltage range
• Sensitivity to load variations
• Requires external capacitors for proper operation

Working Principles

The TC1044SEOA is a charge pump voltage converter that generates negative voltages from positive supply voltages. It utilizes an internal oscillator to control the charge and discharge of flying capacitors, which are used to invert and regulate the input voltage. The converted negative voltage is then available at the VOUT pin.

Detailed Application Field Plans

The TC1044SEOA is commonly used in various applications where a negative voltage source is required. Some typical application fields include: - LCD displays - Audio amplifiers - Data acquisition systems - Industrial control systems - Battery-powered devices

Detailed and Complete Alternative Models

• ICL7660A by Maxim Integrated
• MAX660 by Maxim Integrated
• LT1054 by Linear Technology
• MC34063A by ON Semiconductor
• TPS60403 by Texas Instruments

These alternative models offer similar functionality and can be used as substitutes for the TC1044SEOA in various applications.

In conclusion, the TC1044SEOA is a voltage converter IC that provides an efficient method for generating negative voltages from positive supply voltages. With its low power consumption, high efficiency, and compact package, it is widely used in diverse applications such as LCD displays, audio amplifiers, and industrial control systems. While it has some limitations, there are several alternative models available in the market that offer similar functionality.