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MAX1674EUA

Name: MAX1674EUA
Rating: 4.7 (12 reviews)

IC REG BST ADJ/PROG 750MA 8UMAX

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製造商。部分 #MAX1674EUA
包 MSOP-8
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規格

Package	Tube
ProductStatus	Obsolete
Function	Step-Up
OutputConfiguration	Positive
Topology	Boost
OutputType	Adjustable (Programmable)
NumberofOutputs	1
Voltage-Input(Min)	0.7V
Voltage-Input(Max)	5.5V
Voltage-Output(Min/Fixed)	2V (3.3V, 5V)
Voltage-Output(Max)	5.5V
Current-Output	750mA (Switch)
Frequency-Switching	Up to 500Hz
SynchronousRectifier	Yes
OperatingTemperature	-40°C ~ 85°C (TA)
MountingType	Surface Mount
Package/Case	8-TSSOP, 8-MSOP (0.118, 3.00mm Width)

概述

Description

The MAX1674EUA is a high-efficiency voltage regulator designed by Maxim Integrated (now part of Analog Devices). It features a step-up (boost) converter architecture that can convert a lower input voltage to a higher output voltage, making it ideal for battery-powered applications. The device typically operates from a supply voltage range of 2.5V to 5.5V and can output voltages up to 5.5V with a maximum output current of 500mA.
Key features include a low quiescent current, which enhances battery life, and high efficiency, often exceeding 90%, minimizing energy loss. The MAX1674EUA also integrates a variety of protection features, such as over-voltage and over-current protection, ensuring reliable operation. Its compact 8-pin μMAX package allows for space-constrained applications, making it suitable for portable devices, sensors, and IoT applications. Overall, the MAX1674EUA is a versatile solution for efficiently stepping up voltage in various electronic applications.

Features

The MAX1674EUA is a high-performance, dual-channel voltage regulator designed for portable applications. Key features include:
1. Input Voltage Range: Operates from 2.7V to 5.5V, accommodating a variety of battery types.
2. Output Voltage Options: Adjustable output voltages from 1.25V to 3.3V, with fixed options available.
3. Low Quiescent Current: Consumes only 15μA in shutdown mode, enhancing battery life.
4. High Efficiency: Utilizes a low dropout (LDO) design that maintains efficiency even at low input-output voltage differentials.
5. Dual Outputs: Provides two independent outputs, suitable for powering multiple devices.
6. Protection Features: Includes thermal shutdown and current limiting to protect against overcurrent conditions.
7. Compact Package: Available in a small 8-pin μMAX package for space-constrained designs.
These features make the MAX1674EUA ideal for handheld devices, portable electronics, and battery-operated systems.

Package

The MAX1674EUA is packaged in a 10-pin µMAX package. This surface-mount package is designed for compact applications, offering a small footprint suitable for space-constrained designs.

Pinout

The MAX1674EUA is a voltage reference and power management device with a pin count of 10.
### Pin Functions:
1. VC (Pin 1): Compensation pin for stability and bandwidth adjustment.
2. VOUT (Pin 2): Output voltage for the reference signal.
3. GND (Pin 3): Ground reference.
4. VDD (Pin 4): Supply voltage input.
5. AGND (Pin 5): Analog ground.
6. RESET (Pin 6): Active-low reset output.
7. SENSE (Pin 7): Remote sense pin for accurate voltage measurement.
8. RSET (Pin 8): Resistor connection for setting the output voltage.
9. EN (Pin 9): Enable pin to turn the device on/off.
10. N/C (Pin 10): No connection, can be left floating.
The MAX1674EUA is used in various applications requiring precision voltage regulation and monitoring.

Manufacturer

The MAX1674EUA is manufactured by Maxim Integrated, a company that specializes in designing and producing analog and mixed-signal integrated circuits (ICs). Founded in 1983, Maxim Integrated focuses on various applications, including automotive, industrial, communications, and consumer electronics. In 2021, Maxim Integrated was acquired by Analog Devices, Inc., a leading global semiconductor company known for its high-performance analog, mixed-signal, and digital signal processing solutions. Maxim's products are widely used in applications requiring precise signal processing and power management, making it a key player in the semiconductor industry.

Application

The MAX1674EUA is primarily used in portable battery-powered devices for voltage regulation. Key application areas include mobile phones, handheld computers, and digital cameras. It serves as a step-up (boost) converter to efficiently increase voltage, powering components like LCD displays, RF transmitters, and other peripherals. Its compact design and low quiescent current also make it suitable for wearable electronics and IoT devices.

Equivalent

Equivalent products to the MAX1674EUA chip include the LTC1920, TPS63020, and MIC1940. These alternatives offer similar features such as low dropout voltage regulation and high efficiency. However, it's important to verify specific voltage and current ratings to ensure compatibility with your application. Always refer to the manufacturer's datasheets for detailed specifications.