LT3048IDC

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LT3048IDC

+Nomenclature

IC REG DL BOOST/LINEAR 1MHZ 8DFN

  • FabricantAnalog Equipment GmbH.

  • Pièce fabricant #LT3048IDC

  • En stock4433

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Spécifications

Attribut Valeur
Part Status Obsolete
Topology Step-Up (Boost) (1), Linear (LDO) (1)
Number of Outputs 2
Frequency - Switching 1MHz
Voltage / Current - Output 1 23.1V, 300mA
Voltage / Current - Output 2 1.235V ~ 22V, 45mA
w / LED Driver No
w / Supervisor No
w / Sequencer No
Voltage - Supply 2.7V ~ 4.8V
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount
Package / Case 8-WFDFN Exposed Pad
Supplier Device Package 8-DFN (2x2)
Base Product Number LT3048

Présentation

Description

LT3048IDC is a low-noise, low-dropout (LDO) voltage regulator designed by Analog Devices (formerly Linear Technology). It offers an output current of up to 1A with a remarkably low output noise of just 3.5μVRMS, making it ideal for sensitive analog and RF applications. The device features a wide input voltage range of 1.8V to 15V and provides a stable output voltage adjustable from 0.5V to 10V with high accuracy.
The LT3048IDC incorporates advanced technologies such as a built-in error amplifier and a PMOS pass transistor, ensuring high performance and efficiency. Its low dropout voltage allows it to maintain regulation even with minimal headroom.
Additionally, the device includes thermal and current limit protection features, enhancing reliability in various applications. The LT3048IDC is suitable for use in precision instrumentation, audio applications, and battery-powered equipment. Its combination of low noise, high output current, and excellent transient response makes it a versatile choice for designers seeking high-performance power management solutions.

Equivalent

The LT3048IDC is a low-noise, low-dropout linear regulator. Equivalent products include the LM1084 series, LT3080, MIC2941, and LM317 for similar applications. However, ensure that their specifications (voltage, current, noise performance) meet your specific requirements before substituting.

Features

The LT3048IDC is a high-performance, low-noise, low-dropout (LDO) linear voltage regulator from Analog Devices. Key features include:
1. Output Voltage Range: Adjustable output voltage from 0.6V to 20V with a maximum output current of 1.1A.
2. Low Noise: Ultra-low noise operation, typically 1.5μVRMS (10Hz to 100kHz), making it ideal for sensitive applications.
3. High Power Supply Rejection Ratio (PSRR): Excellent PSRR ensures minimal output voltage variation with changes in input voltage.
4. Low Dropout Voltage: Very low dropout voltage, typically 300mV at 1A load, allowing for efficient operation in battery-powered applications.
5. Built-in Current Limit and Thermal Protection: Enhances reliability and protects against overload conditions.
6. Small Package Options: Available in compact 5mm × 5mm DFN or MSOP packages, suitable for space-constrained designs.
7. Wide Operating Temperature Range: Provides reliable performance over a wide temperature range, enhancing versatility in various applications.
These features make the LT3048IDC suitable for high-performance analog circuits, precision voltage references, and power-sensitive applications.

Pinout

The LT3048IDC is a low-noise, low-dropout (LDO) voltage regulator from Analog Devices, featuring a total of 8 pins. Here is a concise description of each pin's function:
1. VOUT: Regulated output voltage.
2. GND: Ground connection.
3. VIN: Input voltage supply.
4. SS: Soft-start pin for controlling the output voltage ramp-up time.
5. TRIM: Used to adjust the output voltage.
6. PG: Power good output, indicating the status of the output voltage.
7. NC: No connect, not internally connected; can be left unconnected.
8. BYP: Bypass pin for noise reduction, typically connected to a capacitor.
The LT3048IDC is designed for applications requiring high power supply rejection and low noise, making it suitable for sensitive analog circuits.

Manufacturer

The LT3048IDC is manufactured by Analog Devices, Inc. (ADI), a prominent American semiconductor company. Analog Devices specializes in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965 and headquartered in Norwood, Massachusetts, ADI serves a diverse range of industries, including communications, automotive, industrial automation, healthcare, and consumer electronics.
The LT3048 is a low-noise, high-performance linear regulator designed to deliver a stable output voltage while minimizing noise and power supply ripple. This makes it suitable for applications requiring clean and precise power, such as audio equipment, precision measurement systems, and other sensitive electronic devices.
Analog Devices is recognized for its innovation in the semiconductor industry, focusing on cutting-edge technologies that enhance the performance of electronic systems. The company emphasizes research and development, producing a wide array of products that cater to various applications in the ever-evolving technology landscape.

Application

The LT3048IDC is a low noise, high-performance linear voltage regulator primarily used in precision analog applications. Key application areas include:
1. Signal Processing: Providing clean power for operational amplifiers and ADCs/DACs.
2. RF Applications: Supplying stable voltage to RF components and circuits.
3. High-Performance Audio Equipment: Ensuring low noise power for audio amplifiers and digital audio converters.
4. Industrial Control Systems: Offering reliable voltage regulation in sensitive control circuits.
5. Test Equipment: Powering precision measurement devices where low noise is critical.
Its low dropout voltage and excellent PSRR make it suitable for various sensitive electronic systems.

Package

The LT3048IDC is available in a 3mm x 3mm DFN (Dual Flat No-lead) package type. This compact, thermally efficient package is designed for surface mounting and is ideal for low-noise, high-performance voltage regulation applications.

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