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規格
| 屬性 | 價值 |
| Shipping Restrictions | Mouser does not presently sell this product in your region. |
| Package / Case | SOIC-Narrow-8 |
| Series | MAX774 |
| Mounting Type | SMD/SMT |
| Brand | Analog Devices / Maxim Integrated |
| Product Type | Switching Controllers |
| Subcategory | PMIC - Power Management ICs |
| Factory Pack Quantity | 100 |
| Unit Weight | 0.006596 oz |
| Minimum Operating Temperature | - 40 C |
| Maximum Operating Temperature | + 85 C |
| Packaging | Tube |
| Type | Inverting |
| Number of Outputs | 1 Output |
| Output Voltage | - 5 V |
| Current - Output | 1 A |
| Part # Aliases | MAX774 |
概述
Description
The MAX774ESA+ is a high-performance, adjustable linear voltage regulator designed for a range of applications, including portable devices and battery-operated systems. It offers low dropout voltage, typically around 0.2V at 100mA, allowing it to maintain regulation under low input voltage conditions. With a wide output voltage range (1.2V to 5.5V), it provides flexibility for various circuit requirements. The device features excellent load and line regulation, ensuring stable output even with fluctuating input voltages.
The MAX774ESA+ also incorporates built-in protection features such as thermal shutdown and current limiting, enhancing reliability. Its compact 8-pin DIP package makes it suitable for space-constrained applications. Additionally, it is designed to deliver up to 150mA of output current with minimal quiescent current, improving efficiency in battery-powered devices. This makes the MAX774ESA+ an ideal choice for designers seeking a dependable and efficient voltage regulation solution.
The MAX774ESA+ also incorporates built-in protection features such as thermal shutdown and current limiting, enhancing reliability. Its compact 8-pin DIP package makes it suitable for space-constrained applications. Additionally, it is designed to deliver up to 150mA of output current with minimal quiescent current, improving efficiency in battery-powered devices. This makes the MAX774ESA+ an ideal choice for designers seeking a dependable and efficient voltage regulation solution.
Equivalent
The MAX774ESA is a voltage regulator chip, and equivalent products include the TPS7A47 from Texas Instruments, LT1085 from Analog Devices, and LM1084 from Texas Instruments. Each of these alternatives offers similar adjustable output voltage features and can be used in various applications requiring low dropout voltage regulation. Always verify specific electrical characteristics and pin compatibility before substitution.
Features
The MAX774ESA+ is a highly integrated power management IC designed for efficient battery management in portable applications. Key features include:
1. Low Quiescent Current: Ensures extended battery life with minimal power consumption.
2. High Efficiency: Features a synchronous buck converter with up to 95% efficiency, optimizing energy use.
3. Wide Input Voltage Range: Supports input voltages from 2.7V to 5.5V, making it versatile for various battery types.
4. Adjustable Output Voltage: Allows for output voltage adjustment from 1.2V to 5V, suitable for different load requirements.
5. Integrated Power MOSFETs: Reduces component count and simplifies design.
6. Overcurrent and Thermal Protection: Safeguards the device and connected loads from damage due to excessive current or temperature.
7. Small Package Size: Offered in a compact 8-pin SOIC package, ideal for space-constrained applications.
These features make the MAX774ESA+ an excellent choice for devices requiring efficient power management and compact design.
1. Low Quiescent Current: Ensures extended battery life with minimal power consumption.
2. High Efficiency: Features a synchronous buck converter with up to 95% efficiency, optimizing energy use.
3. Wide Input Voltage Range: Supports input voltages from 2.7V to 5.5V, making it versatile for various battery types.
4. Adjustable Output Voltage: Allows for output voltage adjustment from 1.2V to 5V, suitable for different load requirements.
5. Integrated Power MOSFETs: Reduces component count and simplifies design.
6. Overcurrent and Thermal Protection: Safeguards the device and connected loads from damage due to excessive current or temperature.
7. Small Package Size: Offered in a compact 8-pin SOIC package, ideal for space-constrained applications.
These features make the MAX774ESA+ an excellent choice for devices requiring efficient power management and compact design.
Pinout
The MAX774ESA+ is a dual low-dropout (LDO) voltage regulator featuring a pin count of 8. The device is designed for powering digital and analog circuits with low noise and high efficiency.
The pin functions are as follows:
1. Input (VIN): Supplies the input voltage.
2. Output (VOUT): Provides the regulated output voltage.
3. Ground (GND): Common ground reference.
4. Enable (EN): Active-high pin to enable or disable the regulator.
5. Feedback (FB): Used for voltage feedback to set the output voltage.
6. Compensation (COMP): Connects to external components for stability and transient response.
7. C1 (C1): Connection for the output capacitor.
8. C2 (C2): Connection for the input capacitor.
The MAX774ESA+ is suitable for applications requiring precise output voltage regulation with low quiescent current.
The pin functions are as follows:
1. Input (VIN): Supplies the input voltage.
2. Output (VOUT): Provides the regulated output voltage.
3. Ground (GND): Common ground reference.
4. Enable (EN): Active-high pin to enable or disable the regulator.
5. Feedback (FB): Used for voltage feedback to set the output voltage.
6. Compensation (COMP): Connects to external components for stability and transient response.
7. C1 (C1): Connection for the output capacitor.
8. C2 (C2): Connection for the input capacitor.
The MAX774ESA+ is suitable for applications requiring precise output voltage regulation with low quiescent current.
Manufacturer
The MAX774ESA+ is manufactured by Analog Devices, Inc. (ADI). Analog Devices is a multinational company specializing in high-performance 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 automotive, communications, healthcare, and industrial automation. The company's products are used in various applications such as data acquisition, signal processing, and power management. ADI is known for its innovation in analog technology and its commitment to quality, making it a key player in the semiconductor industry.
Application
The MAX774ESA+ is a high-performance, low-dropout (LDO) linear voltage regulator primarily used in applications requiring stable power supply with minimal noise. Key application areas include:
1. Portable Devices: Powering microcontrollers and sensors in battery-operated gadgets.
2. Consumer Electronics: Supplying voltage to audio and video equipment for improved performance.
3. Communication Equipment: Providing reliable voltage levels in wireless and wired communication devices.
4. Industrial Applications: Supporting control circuits and sensors in automation systems.
5. Medical Devices: Ensuring precision power for sensitive medical instrumentation.
Its low noise and high PSRR make it ideal for these applications.
1. Portable Devices: Powering microcontrollers and sensors in battery-operated gadgets.
2. Consumer Electronics: Supplying voltage to audio and video equipment for improved performance.
3. Communication Equipment: Providing reliable voltage levels in wireless and wired communication devices.
4. Industrial Applications: Supporting control circuits and sensors in automation systems.
5. Medical Devices: Ensuring precision power for sensitive medical instrumentation.
Its low noise and high PSRR make it ideal for these applications.
Package
The MAX774ESA+ is packaged in an 8-pin SOIC (Small Outline Integrated Circuit) package. This surface-mount package is designed for easy integration into printed circuit boards.