LTC1775CGN

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LTC1775CGN

Switching Voltage Regulators LTC1775 - High Power No RSENSE Current Mode Synchronous Step-Down Switching Regulator

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Spécifications

Vue d'ensemble

Description

The LTC1775CGN is a high-performance, low-dropout linear regulator designed for powering sensitive analog circuits. It features a wide input voltage range, typically from 3V to 30V, making it versatile for various applications. With a maximum output current of 1A, it provides stable voltage regulation with minimal noise, which is crucial for precision analog devices.
Key specifications include a low dropout voltage, typically around 300mV at full load, allowing for efficient operation even with small input-to-output voltage differentials. The LTC1775 also incorporates features such as thermal shutdown and current limiting for enhanced reliability and safety.
Its adjustable output voltage capability allows users to set the desired output between 1.2V and 20V using external resistors, making it suitable for a wide range of applications, including battery-powered devices, RF circuits, and automotive systems. Overall, the LTC1775CGN is a reliable choice for designers looking for high efficiency and low noise in their voltage regulation needs.

Features

The LTC1775CGN is a high-efficiency, synchronous buck converter designed for a range of applications. Key features include:
1. Input Voltage Range: Operates from 4.5V to 30V, suitable for a variety of power sources.
2. Output Voltage: Adjustable output voltage down to 0.8V, allowing flexibility in different applications.
3. High Efficiency: Delivers efficiency up to 94%, reducing thermal issues and extending battery life in portable applications.
4. Switching Frequency: Operates at a fixed frequency of 500kHz, enabling the use of small external components.
5. Current Mode Control: Provides fast transient response and simplifies loop compensation.
6. Integrated High and Low-Side Switches: Reduces component count and PCB space.
7. Soft-Start Function: Minimizes inrush current during startup, improving system reliability.
8. Thermal Protection: Features built-in thermal shutdown to protect against overheating.
9. Short-Circuit Protection: Ensures safety under fault conditions.
These features make the LTC1775CGN suitable for applications in telecom, automotive, and consumer electronics.

Package

The LTC1775CGN is packaged in a 20-pin TSSOP (Thin Shrink Small Outline Package) format.

Pinout

The LTC1775CGN is a high-performance, step-down (buck) DC-DC converter with a pin count of 20. Its primary functions include:
- Input Voltage Range: It accepts input voltages from 4.5V to 60V.
- Output Voltage Adjustment: It can be configured to provide adjustable output voltage from 1.21V to 55V.
- High Efficiency: Designed for high efficiency, typically around 90%.
- Switching Frequency: Operates at a fixed switching frequency of 500kHz.
- Current Limit and Thermal Protection: Features built-in current limit and thermal shutdown for protection.
- Soft-Start Function: Includes a soft-start function to limit inrush current during startup.
The 20 pins include connections for power input, output, feedback, compensation, ground, and various control signals. This device is suitable for applications requiring efficient power conversion in a compact form factor.

Manufacturer

The LTC1775CGN is manufactured by Analog Devices, Inc. (ADI), a leading global semiconductor company. Founded in 1965, Analog Devices specializes in designing and manufacturing high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company primarily serves industries such as communications, automotive, industrial automation, healthcare, and consumer electronics. ADI is known for its innovative solutions in data conversion, signal processing, and power management, focusing on high precision and reliability to meet the demands of various applications.

Application

The LTC1775CGN is a high-accuracy voltage reference used in various applications, including industrial process control, precision measurement equipment, data acquisition systems, and instrumentation. It provides stable and accurate reference voltages, making it suitable for analog-to-digital converters (ADCs), digital signal processors (DSPs), and sensor interfaces. Its low noise and temperature stability make it ideal for applications requiring high precision and reliability.

Equivalent

The LTC1775CGN is a high-voltage, high-speed comparator. Equivalent products include:
1. LM311 - A popular dual comparator.
2. TLV3701 - A low-power comparator with a rail-to-rail output.
3. LT1016 - A precision, high-speed comparator.
4. MAX9015 - A fast comparator with low supply current.
Check specifications for voltage range and speed to ensure compatibility.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

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.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

Paiements

Payment Methods

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