LT1054CS8

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LT1054CS8

Switching Voltage Regulators Switched-Capacitor Voltage Converter with Regulator

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Spécifications

Vue d'ensemble

Description

The LT1054CS8 is a precision voltage regulator and charge pump integrated circuit (IC) designed by Linear Technology (now part of Analog Devices). It is primarily used for converting a higher input voltage to a regulated lower output voltage, making it suitable for various applications such as battery-powered devices, portable electronics, and other systems requiring efficient voltage conversion.
Key features include:
- Output Voltage Regulation: Provides steady output voltage with minimal ripple, ensuring reliable performance.
- Charge Pump: Can double or invert the input voltage, allowing for versatile power supply configurations.
- Low Quiescent Current: Operates efficiently, making it suitable for low-power applications.
- Wide Input Voltage Range: Accepts a range of input voltages, enhancing flexibility in circuit design.
The LT1054CS8 is packaged in an 8-pin DIP, making it easy to integrate into various electronic designs. It is ideal for engineers looking to manage power supply issues in a compact, efficient manner.

Features

The LT1054CS8 is a CMOS voltage converter designed for DC-DC voltage conversion. Key features include:
1. Wide Input Voltage Range: Operates from 3V to 15V, making it suitable for various battery applications.
2. Adjustable Output Voltage: Output can be configured between +5V and +12V, allowing for flexibility in applications.
3. High Efficiency: The device achieves efficiency up to 85%, which is beneficial for battery-powered devices.
4. Low Quiescent Current: Minimal power consumption in standby mode, enhancing battery life.
5. Switching Frequency: Operates at a frequency of 100 kHz, providing a good balance of size and efficiency.
6. Integrated Protection: Features thermal shutdown and current limiting for enhanced reliability.
7. Compact Package: Available in an 8-lead SOIC package, suitable for space-constrained designs.
These characteristics make the LT1054CS8 ideal for portable electronics and other applications requiring efficient voltage regulation.

Package

The LT1054CS8 is packaged in an 8-lead SOIC (Small Outline Integrated Circuit) package. It is designed for surface mounting and offers a compact footprint suitable for various applications in electronic circuits.

Pinout

The LT1054CS8 is an integrated circuit (IC) from Linear Technology (now part of Analog Devices) that functions as a switched-capacitor voltage inverter. It has an 8-pin dual in-line package (DIP) configuration.
### Pin Count and Functions:
1. Pin 1 (V+): Positive power supply input.
2. Pin 2 (V-): Negative power supply output (inverted voltage).
3. Pin 3 (SW): Switch control for the internal circuit.
4. Pin 4 (C1): Capacitor connection for charge transfer.
5. Pin 5 (C2): Capacitor connection for the output voltage.
6. Pin 6 (GND): Ground reference.
7. Pin 7 (COMP): Compensation for stability.
8. Pin 8 (VOUT): Output voltage (inverted relative to V+).
The LT1054CS8 can generate negative voltages from a positive supply and features a low output impedance, making it suitable for various applications in power supply design.

Manufacturer

The LT1054CS8 is manufactured by Analog Devices, Inc. Analog Devices is a multinational company specializing in the design and manufacturing of high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, the company serves a variety of industries, including communications, automotive, healthcare, and industrial automation. It is known for its innovation in signal processing technologies and provides solutions that enable customers to solve complex engineering challenges. The LT1054CS8, specifically, is a voltage converter IC used in applications requiring efficient power management and signal processing.

Application

The LT1054CS8 is a precision voltage converter used in various applications including battery-operated devices, portable instruments, and power supply systems. It is ideal for generating negative voltages, providing regulated outputs, and powering op-amps and other analog circuits. Its use in charge pumps and DC-DC converters further supports low-power, compact designs in consumer electronics, telecommunications, and medical devices.

Equivalent

Equivalent products for the LT1054CS8 chip include the MAX660, ICL7660, and TC1044. These devices are similar in function, providing voltage conversion and charge-pump capabilities. However, check specific datasheets for exact specifications and compatibility.

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UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

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