LT3042IMSE#PBF

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LT3042IMSE#PBF

IC REG LINEAR POS ADJ 10MSOP-EP

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Spécifications

Part Status Active
Output Configuration Positive
Output Type Adjustable
Number of Regulators 1
Voltage - Input (Max) 20V
Voltage - Output (Min/Fixed) 0V
Voltage - Output (Max) 15V
Voltage Dropout (Max) 0.35V @ 200mA (Typ)
Current - Output 200mA
PSRR 117dB ~ 56dB (120Hz ~ 10MHz)
Control Features Current Limit, Enable, Power Good
Protection Features Over Temperature, Reverse Polarity
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount
Package / Case 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad
Supplier Device Package 10-MSOP-EP
Base Product Number LT3042

Vue d'ensemble

Description

The LT3042IMSE#PBF is a high-performance, low-dropout (LDO) linear voltage regulator designed by Analog Devices. It features a low output noise level, high power supply rejection ratio (PSRR), and excellent transient response, making it suitable for sensitive analog applications. The device can provide a regulated output voltage of up to 1.5A, with an adjustable output voltage range from 0.5V to 20V, depending on the configuration.
Key features include a low dropout voltage of 300 mV (at 1.5A load), an impressive PSRR of up to 80 dB, and an output noise of only 2.5 µVRMS (10 Hz to 100 kHz). The LT3042 also incorporates built-in thermal and current limiting protection features to enhance reliability.
This LDO is commonly used in applications requiring clean power, such as RF systems, precision analog circuitry, and high-performance audio devices. It is packaged in a compact 16-lead MSOP or a 3mm × 3mm LQFN package, making it suitable for space-constrained designs.

Features

The LT3042IMSE#PBF is a low-noise, low-dropout (LDO) linear voltage regulator from Analog Devices. Key features include:
1. Output Voltage Range: Adjustable output from 0V to 15V, with a maximum output current of 1A.
2. Ultra-Low Noise: Offers low output noise of 2.1μVRMS (10Hz to 100kHz), making it suitable for sensitive applications.
3. High PSRR: Excellent power supply rejection ratio of up to 80dB at 1kHz, ensuring stable output despite variations in input voltage.
4. Low Dropout Voltage: Dropout voltage of 300mV at 1A load, enabling efficient operation with minimal voltage headroom.
5. Thermal Protection: Integrated thermal shutdown feature protects the device from overheating.
6. Soft-Start Capability: Prevents output voltage overshoot during startup.
7. Compact Package: Available in a compact MSOP-8 package, which is conducive for space-constrained designs.
These features make the LT3042 ideal for precision analog applications, RF systems, and low-noise power supplies.

Package

The LT3042IMSE#PBF is packaged in a 16-lead MSOP (Mini Small Outline Package). This compact surface-mount package is designed for efficient thermal performance and space-saving applications.

Pinout

The LT3042IMSE#PBF is a low dropout voltage regulator (LDO) from Analog Devices. It features a 16-pin TSSOP (Thin Shrink Small Outline Package) package.
### Pin Count:
- Total Pins: 16
### Functions of Key Pins:
1. VIN (Pin 1): Input voltage.
2. GND (Pin 2): Ground reference.
3. VOUT (Pin 3): Regulated output voltage.
4. SET (Pin 4): Output voltage setting pin.
5. BYPASS (Pin 5): Bypass capacitor connection for noise reduction.
6. SS (Pin 6): Soft-start control.
7. LIM (Pin 7): Current limit setting.
8. CS (Pin 8): Compensation network connection.
9. NC (Pins 9, 10, 11): No connect (not used).
10. FB (Pin 12): Feedback pin for regulation.
11. VREF (Pin 13): Reference voltage output.
12. PG (Pin 14): Power good indicator.
13. PGND (Pin 15): Power ground.
14. VOUT (Pin 16): Additional output for high current applications.
The LT3042 is designed for high precision and low noise applications.

Manufacturer

The LT3042IMSE#PBF is manufactured by Analog Devices, Inc. Analog Devices is a global semiconductor company that specializes in data conversion, signal processing, and power management technology. Founded in 1965, it serves a wide range of industries, including automotive, communications, healthcare, industrial automation, and consumer electronics. The company is known for producing high-performance integrated circuits and is a leader in the field of analog technology, focusing on innovation to meet the demands of modern electronic systems.

Application

The LT3042IMSE#PBF is a low-noise, high-performance linear voltage regulator. It is typically used in application areas such as precision analog circuits, RF systems, audio devices, and instrumentation. Its features make it suitable for powering sensitive components like op-amps, ADCs, and DACs, ensuring clean power supply with minimal noise and ripple. Additionally, it is ideal for battery-powered devices due to its low quiescent current.

Equivalent

The LT3042IMSE#PBF is a low-noise, low-dropout linear regulator. Equivalent products include the LM1084 from Texas Instruments, MIC2940 from Microchip, and the LP2950 from Texas Instruments. Each of these alternatives offers similar specifications like low dropout voltage and low noise, but ensure to check specific parameters and requirements for compatibility with your design.

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