MAX660ESA+T

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Converter
• Characteristics:
  • Low-power voltage conversion
  • Compact size
  • Wide input voltage range
  • High efficiency
• Package: SOIC-8
• Essence: MAX660ESA+T is a voltage converter IC designed for low-power applications.
• Packaging/Quantity: Available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 1.5V to 12V
• Output Voltage: -1.5V to -12V
• Output Current: Up to 100mA
• Operating Temperature Range: -40°C to +85°C
• Supply Current: 150µA (typical)

Detailed Pin Configuration

1. GND: Ground pin
2. V+ IN: Positive supply voltage input
3. V- IN: Negative supply voltage input
4. V+ OUT: Positive output voltage
5. V- OUT: Negative output voltage
6. SHDN: Shutdown control pin
7. OSC: Oscillator frequency control pin
8. C1-: External capacitor connection pin

Functional Features

• Low-power voltage conversion: The MAX660ESA+T efficiently converts a positive input voltage into a negative output voltage, making it suitable for various low-power applications.
• Shutdown control: The SHDN pin allows the device to be put into a low-power shutdown mode when not in use, reducing power consumption.
• Oscillator frequency control: The OSC pin enables the adjustment of the internal oscillator frequency, allowing flexibility in system design.
• External capacitor connection: The C1- pin provides an external capacitor connection for improved stability and noise reduction.

Advantages and Disadvantages

Advantages

• Compact size: The SOIC-8 package offers a small footprint, making it suitable for space-constrained applications.
• Wide input voltage range: The MAX660ESA+T can accept input voltages ranging from 1.5V to 12V, providing versatility in different power supply scenarios.
• High efficiency: The voltage conversion process is highly efficient, minimizing power losses and maximizing energy utilization.

Disadvantages

• Limited output current: With an output current capability of up to 100mA, the MAX660ESA+T may not be suitable for high-power applications requiring higher current levels.

Working Principles

The MAX660ESA+T utilizes an internal oscillator and charge pump circuitry to convert the positive input voltage into a negative output voltage. The charge pump generates a negative voltage by transferring charge from the input capacitors to the output capacitors. This voltage conversion process is controlled by the internal oscillator frequency, which can be adjusted using the OSC pin.

Detailed Application Field Plans

The MAX660ESA+T finds applications in various fields, including: 1. Portable electronic devices: It can be used to generate a negative voltage required for LCD displays, backlighting, or audio amplifiers in portable devices. 2. Industrial control systems: The IC can be employed in industrial control systems that require a negative voltage source for powering analog sensors or actuators. 3. Automotive electronics: It can be utilized in automotive applications where a negative voltage is needed for specific components such as sensors or lighting systems.

Detailed and Complete Alternative Models

Some alternative models to the MAX660ESA+T include: 1. MAX660CPA: Similar voltage converter IC with DIP-8 package. 2. MAX660EPA: Voltage converter IC with improved specifications and performance. 3. MAX660MJA: Military-grade version of the MAX660ESA+T with extended temperature range.

Note: The above alternatives are just a few examples, and there are other models available from different manufacturers that serve similar purposes.

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