MAX660CSA+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Converter
• Characteristics: Low-power, low-voltage operation
• Package: Surface Mount Technology (SMT)
• Essence: Charge Pump Voltage Converter
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Input Voltage Range: 1.5V to 5.5V
• Output Voltage Range: -1.5V to -5.5V
• Output Current: Up to 100mA
• Operating Temperature Range: -40°C to +85°C
• Conversion Efficiency: Up to 95%
• Quiescent Current: 150µA (typical)

Detailed Pin Configuration

The MAX660CSA+T has a total of 8 pins:

1. GND: Ground reference for the IC.
2. V+ IN: Positive supply voltage input.
3. C1-: Negative terminal of the flying capacitor C1.
4. C1+: Positive terminal of the flying capacitor C1.
5. V- OUT: Negative output voltage.
6. C2+: Positive terminal of the flying capacitor C2.
7. C2-: Negative terminal of the flying capacitor C2.
8. V+ OUT: Positive output voltage.

Functional Features

• Low-power voltage conversion from positive to negative voltage.
• Wide input voltage range allows flexibility in power supply selection.
• High conversion efficiency minimizes power loss.
• Small quiescent current enables energy-efficient operation.
• Compact SMT package facilitates space-saving designs.

Advantages and Disadvantages

Advantages: - Efficiently converts positive voltage to negative voltage. - Wide input voltage range provides versatility. - Low quiescent current ensures minimal power consumption. - Small package size saves board space.

Disadvantages: - Limited output current capacity. - Requires external capacitors for operation.

Working Principles

The MAX660CSA+T is a charge pump voltage converter that generates a negative voltage from a positive input voltage. It utilizes two flying capacitors, C1 and C2, to store and transfer charge during the conversion process. The IC switches between different capacitor configurations to achieve voltage inversion.

Detailed Application Field Plans

The MAX660CSA+T finds applications in various fields, including:

1. Portable Electronics: Provides negative voltage for LCD displays, backlighting, and audio amplifiers.
2. Industrial Control Systems: Used for generating negative supply voltages in control circuitry.
3. Automotive Electronics: Enables negative voltage generation for sensors, actuators, and lighting systems.
4. Telecommunications: Utilized in telecommunication equipment for negative voltage requirements.

Detailed and Complete Alternative Models

1. ICL7660CBAZ-T: Similar charge pump voltage converter with adjustable output voltage.
2. MAX1044CPA+: Voltage converter with higher output current capability.
3. LTC1983ES6#TRPBF: Step-up/step-down voltage converter with wider input/output voltage range.

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