MAX1793EUE18

Current - Output:	1A
Base Part Number:	MAX1793
Supplier Device Package:	16-TSSOP-EP
Package / Case:	16-TSSOP (0.173", 4.40mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	Over Current, Over Temperature, Short Circuit
Control Features:	Enable, Reset
PSRR:	--
Current - Quiescent (Iq):	200µA
Series:	--
Voltage Dropout (Max):	--
Voltage - Output (Max):	5V
Voltage - Output (Min/Fixed):	1.25V (1.8V)
Voltage - Input (Max):	5.5V
Number of Regulators:	1
Output Type:	Adjustable (Fixed)
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tube

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Introduction

MAX1793EUE18 is a premium low-noise, low-dropout linear voltage regulator (LDO) produced by Maxim Integrated. It provides a precise voltage output with a high power supply rejection ratio and low output impedance. This device is suitable for diverse applications, such as cellular phones, digital cameras, battery-powered equipment, medical equipment and portable systems.

Application Fields of MAX1793EUE18

Maxim\'s MAX1793EUE18 is a low-output LDO voltage regulator specifically designed for applications that require low noise, high power supply rejection and low dropout voltage (LOD). This LDO voltage regulator operates from a 1V input range, has a regulated output voltage range of 0.8V to 2.85V, and delivers up to 100mA output current with no external components. MAX1793EUE18 is specially designed for low-power systems, such as signal conditioning, battery-powered and portable electronics. Its low noise and high PSRR make it ideal for applications that require improved power supply and signal performance. Additionally, its low-dropout voltage and low quiescent current make it an ideal choice for extended battery life in portable applications. Other typical applications include 5V motor control, microcontrollers and other electronic equipment.

Working Principle and Features of MAX1793EUE18

The MAX1793EUE18 employs a basic design comprised of a series-pass topology and a high-performance error amplifier. This integrated circuit operates from a 1V input voltage, and the regulated output voltage is adjustable from 0.8V to 2.85V by an external resistor divider network. The MAX1793EUE18 provides a three-state enable/disable control with excellent on/off times and a maximum shutdown current of 0.5µA. The high PSRR ensures excellent power supply rejection, while the low output impedance ensures excellent load regulation. The MAX1793EUE18 limits its output current to an adjustable programmable level, making it a long-term safe-mode solution for system protection. The output of this device is short-circuit protected and is rated for up to 50V input-to-output voltage differential, making it suitable for a wide range of battery voltage protection applications.

Conclusion

The MAX1793EUE18 is a low-noise and low-dropout linear voltage regulator that is designed for a wide range of low-power applications. Its low noise and high power supply rejection make it ideal for signal conditioning, microcontrollers and other low-power electronics. Its low dropout voltage and low quiescent current make it an ideal choice for extended battery life in portable and battery-powered devices. Additionally, its integrated three-state enable/disable control and adjustable current limit protection makes it a safe-mode solution for system protection.

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