MAX660CSA

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Converter
• Characteristics: Low-power, Monolithic CMOS Voltage Converter
• Package: 8-pin Small Outline (SO) package
• Essence: Converts positive voltage to negative voltage
• Packaging/Quantity: Available in tubes of 25 or reels of 2,500

Specifications

• Input Voltage Range: +1.5V to +10V
• Output Voltage Range: -1.5V to -10V
• Operating Temperature Range: -40°C to +85°C
• Supply Current: 120µA (typical)
• Switching Frequency: 10kHz (typical)
• Shutdown Current: 0.01µA (typical)

Pin Configuration

The MAX660CSA has the following pin configuration:

```

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| | --| V+ GND |-- Pin 1: Positive Supply Voltage (V+) --| VIN VOUT|-- Pin 2: Input Voltage (VIN) / Output Voltage (VOUT) --| OSC N.C.|-- Pin 3: Oscillator (OSC) / No Connection (N.C.) --| C1 C2 |-- Pins 4 and 5: Capacitor Connections (C1, C2) --| V- SHDN|-- Pin 6: Negative Output Voltage (V-) / Shutdown (SHDN) --| N.C. N.C.|-- Pins 7 and 8: No Connection (N.C.) |___________| ```

Functional Features

• Converts a positive input voltage to a corresponding negative output voltage
• Utilizes a low-power monolithic CMOS design
• Provides an inverted voltage with high efficiency
• Requires only two external capacitors for operation

Advantages and Disadvantages

Advantages: - Low power consumption - Small form factor - Simple external component requirements - Wide input voltage range

Disadvantages: - Limited output current capability - Output voltage ripple may be present - Not suitable for high-power applications

Working Principles

The MAX660CSA is a voltage converter that generates a negative output voltage from a positive input voltage. It utilizes an internal oscillator to drive a charge pump circuit, which in turn generates the inverted voltage. The device requires two external capacitors connected to specific pins for proper operation.

Detailed Application Field Plans

The MAX660CSA finds applications in various fields, including but not limited to:

1. Portable electronic devices: Provides a negative voltage source for LCD displays, backlighting, or audio amplifiers.
2. Industrial control systems: Used for generating negative supply voltages in control circuits or sensor interfaces.
3. Automotive electronics: Enables the creation of negative bias voltages for certain components like sensors or actuators.
4. Telecommunications equipment: Utilized in communication modules or network devices requiring negative voltage sources.

Detailed and Complete Alternative Models

Some alternative models to the MAX660CSA include:

1. ICL7660: Similar voltage converter IC with comparable specifications.
2. MAX1044: Higher voltage conversion capability with extended temperature range.
3. LTC1044: Offers improved output current capability and lower output voltage ripple.

These alternative models can be considered based on specific application requirements and desired performance characteristics.

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