LT1764EQ-1.8

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LT1764EQ-1.8

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Thông số kỹ thuật

Brand Analog Devices
Product Type LDO Voltage Regulators
Subcategory PMIC - Power Management ICs
Series LT1764
Package / Case DDPAK-5
Minimum Operating Temperature - 40 C
Maximum Operating Temperature + 125 C
Factory Pack Quantity:Factory Pack Quantity 50
Height 4.57 mm
Output Voltage 1.8 V
Output Current 3 A
Number of Outputs 1 Output
Polarity Positive
Quiescent Current 1 mA
Input Voltage - Min 2.7 V
Input Voltage - Max 20 V
Output Type Fixed
Dropout Voltage 340 mV
Load Regulation 4 mV
Product Linear Regulators
Shipping Restrictions Mouser does not presently sell this product in your region.
PSRR / Ripple Rejection - Typ 63 dB
Dropout Voltage - Max 660 mV
Ib - Input Bias Current 3 uA
Line Regulation 3 mV
Operating Supply Current 1 mA
Type Positive Linear Regulators (LDO)

Tổng quan

Description

The LT1764EQ-1.8 is a low-dropout (LDO) voltage regulator designed by Analog Devices. It provides a stable output voltage of 1.8V with a maximum output current of 60mA. The device features a very low dropout voltage of 300mV at full load, making it suitable for battery-powered applications where efficient power management is crucial.
Key specifications include a low quiescent current of just 30µA, allowing for extended battery life, and a power supply rejection ratio (PSRR) of 70dB, which helps maintain output stability in the presence of input voltage fluctuations. The LT1764EQ-1.8 operates over a wide input voltage range, typically from 2.0V to 20V, and includes built-in protection features such as thermal shutdown and overcurrent protection.
The package options include a compact 3mm x 3mm DFN, making it ideal for space-constrained designs. Overall, the LT1764EQ-1.8 is an excellent choice for applications requiring reliable and efficient low-voltage regulation.

Features

The LT1764EQ-1.8 is a low dropout (LDO) voltage regulator designed for high-performance applications. Key features include:
- Output Voltage: Fixed output of 1.8V.
- Low Dropout Voltage: Typically 300 mV at 100 mA, allowing it to maintain regulation with a small input-output voltage differential.
- High Output Current: Capable of providing up to 150 mA of load current.
- Low Quiescent Current: Consumes only 1.5 µA in shutdown mode, making it suitable for battery-powered applications.
- Power Supply Rejection Ratio (PSRR): High PSRR of 75 dB at low frequencies, ensuring stable output voltage against input voltage fluctuations.
- Thermal Protection: Integrated thermal shutdown prevents damage under excessive thermal conditions.
- Compact Package: Offered in a small, thermally efficient package, facilitating designs with space constraints.
These features make the LT1764EQ-1.8 ideal for powering sensitive analog components and low-noise applications.

Package

The LT1764EQ-1.8 is available in a compact 5-lead TSOT-23 package. This surface-mount package is designed for low-profile applications, providing efficient thermal performance and space-saving advantages in electronic circuits.

Pinout

The LT1764EQ-1.8 is a low noise, high precision voltage reference from Analog Devices (formerly Linear Technology). It comes in a 3-lead SOT-23 package.
Pin Count: 3 pins
Pin Functions:
1. VOUT (Pin 1): This is the output pin that provides a stable voltage reference of 1.8V.
2. GND (Pin 2): This is the ground pin, used as the reference point for the output voltage and for providing the return path for the current.
3. VIN (Pin 3): This is the input pin where the supply voltage is applied. The device operates with a wide input range, typically between 4.5V to 20V.
The LT1764EQ-1.8 is known for its low noise and excellent temperature coefficient, making it suitable for precision applications.

Manufacturer

The LT1764EQ-1.8 is manufactured by Analog Devices, Inc. (ADI). Analog Devices is a multinational semiconductor company known for designing and manufacturing analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965 and headquartered in Norwood, Massachusetts, ADI serves a wide range of industries, including communications, automotive, healthcare, aerospace, and industrial automation. The company specializes in high-performance components that enable efficient signal processing and data conversion, catering to applications such as signal conditioning, amplification, and power management. ADI is recognized for its innovation and high-quality products, making it a key player in the semiconductor market.

Application

The LT1764EQ-1.8 is a precision low-dropout (LDO) linear regulator primarily used in applications requiring stable voltage regulation, such as battery-powered devices, precision analog circuits, RF and communications equipment, high-performance signal processing, and instrumentation. It is ideal for supplying power to noise-sensitive components due to its low output noise and high power supply rejection ratio (PSRR). Additionally, it is suitable for automotive and industrial applications where reliability and efficiency are critical.

Equivalent

Equivalent products to the LT1764EQ-1.8 include the LM1117-1.8, MIC5219-1.8, TPS76318, and LP2950-1.8. These voltage regulators provide similar output voltage and performance characteristics, suitable for low-dropout applications. Always check specifications for compatibility with your circuit requirements.

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