TL7660IDR

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Converter

Characteristics: - Converts a low input voltage to a higher output voltage - Generates a negative voltage from a positive input voltage - Suitable for use in various electronic devices

Package: SOIC (Small Outline Integrated Circuit)

Essence: TL7660IDR is a voltage converter IC that allows the generation of a negative voltage from a positive input voltage.

Packaging/Quantity: TL7660IDR is typically sold in reels containing 2500 units per reel.

Specifications

• Input Voltage Range: 1.5V to 10V
• Output Voltage Range: -1.5V to -10V
• Output Current: Up to 20mA
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOIC-8

Detailed Pin Configuration

The TL7660IDR IC has 8 pins arranged as follows:

```

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| | | U1 | |___________|

Pin Configuration:

1 VOUT 2 GND 3 VIN 4 OSC 5 C1- 6 C1+ 7 C2+ 8 C2- ```

Functional Features

• Low power consumption
• High efficiency voltage conversion
• Wide input voltage range
• Over-temperature protection
• Short-circuit protection

Advantages and Disadvantages

Advantages: - Efficient voltage conversion - Wide input voltage range - Compact package size - Over-temperature and short-circuit protection

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

Working Principles

The TL7660IDR operates based on charge-pump voltage conversion. It uses an internal oscillator to generate a square wave signal, which is then used to drive the charge pump circuitry. The charge pump converts the input voltage to a higher negative voltage by storing and transferring charge between capacitors. This negative voltage can be regulated and used as required in various electronic circuits.

Detailed Application Field Plans

The TL7660IDR is commonly used in applications where a negative voltage is required, such as: - LCD displays - Audio amplifiers - Data acquisition systems - Industrial control systems - Battery-powered devices

Detailed and Complete Alternative Models

Some alternative models to TL7660IDR that serve similar functions include: - ICL7660SIPA - MAX1044CPA - LTC1044CN8 - MC34063ADR

These alternative models offer comparable voltage conversion capabilities and can be used as substitutes for TL7660IDR depending on specific application requirements.

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