ICL7662CBD - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

ICL7662CBD

Manufacturer

analog-devices

Introduction

The ICL7662CBD from Analog Devices is a specialized power management integrated circuit designed for creating negative voltage power supplies through a charge pump topology. It suits applications needing simple, low-cost inverted voltage solutions.

Product Features and Performance

Charge Pump Voltage Inversion Topology

Capable of converting positive voltage to an equivalent negative voltage

Operates with input voltages ranging from 4.5V to 20V

Fixed output voltage equal to the negative of the input voltage

Supports a broad range of input voltages for versatile applications

Switching frequency set at 10kHz for optimal balance between efficiency and component size

Designed for surface mount applications, adhering to compact design requirements

Operates within a temperature range of 0°C to 70°C, ensuring reliability in various environments

Product Advantages

Simple and efficient negative voltage generation

Low component count compared to traditional inverting regulators or converters

Easy to implement in space-constrained applications due to its small SOIC package

Reliable performance in standard operating conditions

Key Technical Parameters

Voltage Input (Min): 4.5V

Voltage Input (Max): 20V

Voltage Output (Min/Fixed): -Vin

Operating Frequency: 10kHz

Operating Temperature: 0°C ~ 70°C

Mounting Type: Surface Mount

Package / Case: 14-SOIC

Quality and Safety Features

Ensures stable operation without the need for external diodes in many applications, reducing system complexity and potential failure points.

Compatibility

Its design allows for integration into a broad range of power supply circuits where a negative voltage rail is needed, including but not limited to analog signal processing and operational amplifier setups.

Application Areas

Power management solutions

Signal conditioning

Operational amplifier circuits

Negative reference voltage generation

Portable and battery-operated devices

Product Lifecycle

As of the last update, the ICL7662CBD is marked as Obsolete, indicating that it is nearing discontinuation. Users should inquire about upgrades or replacement models directly from Analog Devices for continued support.

Several Key Reasons to Choose This Product

Efficiency in generating negative voltage rails without inductive components

Compactness and ease of use enhance PCB layout flexibility

Wide input voltage capability accommodates varying power supplies

Straightforward integration into existing designs, minimizing development time

The obsolescence status necessitates considering future-proof alternatives, but its established reliability makes it a trusted choice for legacy systems