LT1761ES5-3.3

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LT1761ES5-3.3

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LDO Voltage Regulators LT1761 - 100mA, Low Noise, LDO Micropower Regulators in TSOT-23

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Description

The LT1761ES5-3.3 is a low-dropout (LDO) linear voltage regulator designed to provide a stable 3.3V output. Known for its efficiency and low noise characteristics, it is suitable for powering noise-sensitive applications. The device can deliver up to 100mA of output current with a low dropout voltage, which is typically around 300mV at full load, ensuring minimal power loss across the regulator.
Housed in a small SOT-23 (S5) package, the LT1761ES5-3.3 is ideal for space-constrained designs. It features low quiescent current consumption, making it highly efficient for battery-powered devices. Additionally, with its internal circuitry designed for excellent transient response and stability, the regulator provides reliable performance even with varying load conditions.
The LT1761ES5-3.3 also includes features like thermal protection and short-circuit current limiting, offering robust protection against potential operational faults. Its wide input voltage range and high power supply rejection ratio make it versatile for various applications, such as handheld electronics, portable devices, and instrumentation systems.

Equivalent

The LT1761ES5-3.3 is a low-dropout (LDO) linear regulator. Equivalent products include:
1. Micrel MIC5205-3.3YM5: Offers similar output voltage and package type.
2. Texas Instruments TLV71333P: Provides similar functionality with low quiescent current.
3. ON Semiconductor NCP1117-3.3: A commonly used LDO with similar output voltage.
4. Richtek RT9013-33GB: Offers similar performance characteristics.
Always check the datasheet for pin compatibility and specific electrical characteristics before substituting.

Features

The LT1761ES5-3.3 is a low-dropout (LDO) linear voltage regulator. Key features include:
1. Output Voltage: Fixed at 3.3V.
2. Low Dropout Voltage: Typically 300mV at full load, allowing for efficient operation with a low input-to-output voltage differential.
3. Low Quiescent Current: Consumes only 20µA, making it suitable for battery-powered applications.
4. Output Current: Can deliver up to 100mA of output current.
5. Input Voltage Range: Operates from 1.8V to 20V, offering flexibility for various power sources.
6. Very Low Output Noise: Typically 20µVRMS, suitable for noise-sensitive applications such as RF and precision analog circuits.
7. High PSRR: Provides power supply noise rejection of 60dB at 1kHz.
8. Current Limiting and Thermal Protection: Protects the device from overload conditions.
9. Small Package: Available in a 5-lead SOT-23 package, enabling space-constrained designs.
These features make the LT1761ES5-3.3 ideal for use in portable devices, wireless applications, and any systems requiring efficient and clean voltage regulation.

Pinout

The LT1761ES5-3.3 is a low dropout (LDO) linear voltage regulator. It comes in a 5-pin SOT-23 package. Here's a brief overview of the pin functions:
1. Input (VIN): This pin is connected to the input voltage source. It is where the unregulated voltage is supplied.
2. Output (VOUT): This pin provides the regulated output voltage, which is fixed at 3.3V for the LT1761ES5-3.3 model.
3. Ground (GND): This pin is the ground reference for the device and must be connected to the ground of the circuit.
4. Shutdown (SHDN): This pin is used to control the on/off state of the regulator. A low voltage on this pin disables the regulator, while a high voltage enables it.
5. Bypass (BYP): This pin is used to connect an external capacitor to improve the noise performance of the regulator.
The LT1761ES5-3.3 is designed for applications requiring efficient and stable 3.3V regulation with low dropout voltage and low noise.

Manufacturer

The LT1761ES5-3.3 is manufactured by Analog Devices, Inc. This company is a multinational semiconductor firm known for designing and manufacturing analog, mixed-signal, and digital signal processing integrated circuits. Analog Devices serves a diverse range of industries, including consumer electronics, industrial automation, healthcare, automotive, and communications. The company specializes in products such as data converters, amplifiers, radio frequency (RF) technology, power management devices, and sensors.

Application

The LT1761ES5-3.3 is a low-dropout (LDO) linear voltage regulator designed for applications requiring efficient power management with low power consumption. Its key application areas include:
1. Battery-Powered Devices: Ideal for extending battery life in portable electronics, such as smartphones, tablets, and wearables.
2. Noise-Sensitive Electronics: Suitable for applications requiring low noise and high precision, like RF communication equipment and precision sensors.
3. Industrial Equipment: Used in systems requiring stable power supply with minimal heat generation.
4. Medical Devices: Provides reliable voltage regulation for sensitive medical equipment.
5. Consumer Electronics: Used in applications such as cameras, audio equipment, and personal gadgets.
Its compact size and low quiescent current make it versatile for various low-power applications.

Package

The LT1761ES5-3.3 is a low-dropout (LDO) linear voltage regulator from Analog Devices. It is packaged in a 5-lead SOT-23 form factor, which is a small, surface-mount package commonly used for electronic components. This package type offers a compact size suitable for space-constrained applications.

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