LTC1262CS8#TRPBF

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Converter
• Characteristics: High Efficiency, Low Quiescent Current
• Package: 8-Lead SOIC (Small Outline Integrated Circuit)
• Essence: Monolithic CMOS Switched Capacitor Voltage Converter
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 1.5V to 5.5V
• Output Voltage Range: -1.5V to -5.5V
• Switching Frequency: 10kHz
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The LTC1262CS8#TRPBF has the following pin configuration:

1. GND (Ground)
2. VIN (Input Voltage)
3. SW (Switch)
4. FB (Feedback)
5. VOUT (Output Voltage)
6. C1 (Capacitor 1)
7. C2 (Capacitor 2)
8. SHDN (Shutdown)

Functional Features

• Voltage Conversion: Converts input voltage to a negative output voltage.
• High Efficiency: Provides efficient power conversion with minimal energy loss.
• Low Quiescent Current: Consumes very low current when not actively converting.
• Shutdown Mode: Can be put into shutdown mode to minimize power consumption.

Advantages

• Compact and space-saving package.
• Wide input voltage range allows for versatile applications.
• High efficiency results in reduced power dissipation.
• Low quiescent current prolongs battery life in portable devices.
• Shutdown mode enables further power savings when not in use.

Disadvantages

• Limited output voltage range restricted to negative voltages.
• Switching frequency may cause interference in sensitive electronic systems.
• Requires external capacitors for proper operation.

Working Principles

The LTC1262CS8#TRPBF is a monolithic CMOS switched capacitor voltage converter. It utilizes a charge pump architecture to convert the input voltage to a negative output voltage. The internal switches and capacitors are controlled by an integrated circuit, which alternately charges and discharges the capacitors to achieve the desired voltage conversion.

Detailed Application Field Plans

The LTC1262CS8#TRPBF finds applications in various fields, including:

1. Portable Electronics: Provides negative voltage supply for LCD displays, audio amplifiers, and other components.
2. Industrial Automation: Used in control systems that require negative voltage rails.
3. Automotive Electronics: Enables negative voltage generation for automotive sensors and actuators.
4. Telecommunications: Supports negative voltage requirements in communication devices and network equipment.

Detailed and Complete Alternative Models

1. MAX660CPA+: Similar voltage converter IC with adjustable output voltage.
2. ICL7660CPA: Negative voltage generator with higher output current capability.
3. MC34063AP1: Integrated circuit capable of both step-up and step-down voltage conversion.

These alternative models offer similar functionality and can be considered as substitutes for the LTC1262CS8#TRPBF.

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