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MAX1793EUE33+

Name: MAX1793EUE33+
Rating: 4.7 (12 reviews)

IC REG LINEAR POS ADJ 1A 16TSSOP

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資料表 MAX1793EUE33+ DataSheet
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規格

Part Status	Active
Output Configuration	Positive
Output Type	Adjustable (Fixed)
Number of Regulators	1
Voltage - Input (Max)	5.5V
Voltage - Output (Min/Fixed)	1.25V (3.3V)
Voltage - Output (Max)	5V
Voltage Dropout (Max)	0.35V @ 1A
Current - Output	1A
Current - Quiescent (Iq)	200 µA
Control Features	Enable, Reset
Protection Features	Over Current, Over Temperature, Short Circuit
Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount
Package / Case	16-TSSOP (0.173", 4.40mm Width) Exposed Pad
Supplier Device Package	16-TSSOP-EP
Base Product Number	MAX1793

概述

Description

The MAX1793EUE33+ is a voltage regulator IC from Maxim Integrated, designed to provide a stable output voltage of 3.3V. It is part of the MAX1793 series, which is known for its high efficiency and compact size, making it suitable for battery-powered applications. The device features low quiescent current, allowing for extended battery life in portable electronics.
Key specifications include a wide input voltage range, typically from 2.7V to 5.5V, and the capability to deliver up to 1A of output current. It also incorporates built-in thermal shutdown and short-circuit protection for enhanced reliability. The MAX1793EUE33+ is available in a small, thermally enhanced package, making it ideal for space-constrained designs.
Applications include handheld devices, wireless sensors, and other low-power systems that require efficient voltage regulation. The device is suitable for designers looking for reliable performance in compact electronic circuits.

Features

The MAX1793EUE33+ is a high-efficiency, step-down (buck) DC-DC converter designed for low-voltage applications. Key features include:
1. Input Voltage Range: Operates from 2.7V to 5.5V, suitable for single-cell lithium-ion batteries.
2. Output Voltage: Adjustable output voltage from 0.8V to 3.3V with a fixed version available, providing flexibility for various applications.
3. Efficiency: High efficiency (up to 95%) at full load, reducing heat generation and extending battery life.
4. Output Current: Capable of delivering up to 600mA output current, ideal for powering microcontrollers and other low-power devices.
5. Low Quiescent Current: Minimal standby power consumption, enhancing battery performance in portable applications.
6. Thermal Shutdown: Integrated thermal protection to prevent damage from overheating.
7. Small Package: Offered in a 5-pin SOT23 package, enabling compact designs.
This combination of features makes the MAX1793EUE33+ suitable for mobile, consumer electronics, and battery-powered applications.

Package

The MAX1793EUE33+ is packaged in a 5-pin SOT23 (small outline transistor) package. This compact package design is suitable for space-constrained applications, offering a low profile and minimal board footprint.

Pinout

The MAX1793EUE33+ is a voltage regulator with a pin count of 8. It is designed to provide a low-dropout (LDO) output voltage of 3.3V. The primary functions of its pins are as follows:
1. VIN (Pin 1): Input voltage supply.
2. GND (Pin 2): Ground reference.
3. VOUT (Pin 3): Output voltage (3.3V).
4. FB (Pin 4): Feedback pin for voltage regulation.
5. EN (Pin 5): Enable pin to turn the regulator on/off.
6. GND (Pin 6): Ground reference (common).
7. NC (Pin 7): No connection (not used).
8. NC (Pin 8): No connection (not used).
The device features low dropout voltage, low quiescent current, and is suitable for various applications requiring a stable 3.3V output.

Manufacturer

The MAX1793EUE33+ is manufactured by Maxim Integrated, which is a semiconductor company that specializes in designing and producing analog and mixed-signal integrated circuits. Founded in 1983, Maxim Integrated is known for its high-performance, power-efficient solutions for various applications, including automotive, industrial, consumer, and communications sectors. The company focuses on providing innovative technologies such as data converters, power management, and signal conditioning, catering to the growing demands of modern electronics. In 2021, Maxim Integrated was acquired by Analog Devices, Inc., further enhancing its capabilities in the analog semiconductor market.

Application

The MAX1793EUE33+ is a low-dropout voltage regulator (LDO) primarily used in applications requiring stable power supply, such as portable devices, battery-powered equipment, and consumer electronics. It is suitable for powering microcontrollers, sensors, and RF devices. Its low dropout voltage makes it ideal for systems with tight voltage margins, while features like thermal shutdown and current limiting enhance reliability in automotive, industrial, and telecommunications applications.

Equivalent

The MAX1793EUE33+ is a voltage regulator. Equivalent products include the TPS78333 from Texas Instruments, the MIC5219 from Microchip, and the LP2985 from Analog Devices. These alternatives offer similar output voltage, current capabilities, and features. Always verify specific parameters like dropout voltage and package type for compatibility.