MAX1793

PRODUCTION

Low-Dropout, Low-I_Q, 1A Linear Regulator

1A LDO Has Only 210mV Dropout Voltage, Fits in 1.7W Package, Which Is 30% Smaller Than SOT23

Data Sheet (Rev. 3) Product Selection Table

Part Models: 14
1ku List Price: Starting From $1.80

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Overview

Guaranteed 1A Output Current
Low 210mV Dropout at 1A
Up to ±1% Output Voltage Accuracy
- Preset at 1.5V, 1.8V, 2.0V, 2.5V, 3.3V or 5.0V
- Adjustable from 1.25V to 5.0V
Reset Output (4ms Delay)
Low 125µA Ground Current
0.1µA Shutdown
Low 115µV_RMS Output Noise
Thermal-Overload Protection
Output Current Limit
Tiny TSSOP Power Package (1.5W) 30% Smaller than SOT223 (only 1.1mm high)

The MAX1793 low-dropout linear regulator (LDO) operates from +2.5V to +5.5V and delivers a guaranteed 1A load current with a low 210mV dropout. The high-accuracy (±1%) output voltage is preset at an internally trimmed voltage (see the Ordering Information in the full data sheet) or can be adjusted from 1.25V to 5.0V with an external resistor-divider.

An internal pMOS pass transistor allows a low 125µA supply current, making the MAX1793 ideal for battery-operated portable equipment. Other features include a built-in reset output, low-power shutdown, and short-circuit and thermal-overload protection. The MAX1793 is available in a 1.5W, 16-pin power TSSOP package, which is 30% smaller than a SOT223 package and only 1.1mm high.

Applications

Docking Stations
Notebook Computers
PDAs
USB Hubs
Wireless Base Stations

Part Models: 14
1ku List Price: Starting From $1.80

Documentation

Data Sheet 1

MAX1793: Low-Dropout, Low-I_Q, 1A Linear Regulator Data Sheet (Rev.3) 02/09/2012

Reliability Data 1

MAX1793 Reliability Data 01/12/2023

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
MAX1793EUE15+	16-TSSOP_4.4_EP-4.4_MM	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX1793EUE15+T	16-TSSOP_4.4_EP-4.4_MM	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX1793EUE18+	16-TSSOP_4.4_EP-4.4_MM	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX1793EUE18+T	16-TSSOP_4.4_EP-4.4_MM	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX1793EUE20+	16-TSSOP_4.4_EP-4.4_MM	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX1793EUE25+	16-TSSOP_4.4_EP-4.4_MM	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX1793EUE25+T	16-TSSOP_4.4_EP-4.4_MM	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX1793EUE25/GG8	Thin Shrink Small-Outline Package, Exposed Pad	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX1793EUE33+	16-TSSOP_4.4_EP-4.4_MM	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX1793EUE33+T	16-TSSOP_4.4_EP-4.4_MM	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX1793EUE33/V+	16-TSSOP_4.4_EP-4.4_MM	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX1793EUE33/V+T	16-TSSOP_4.4_EP-4.4_MM	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX1793EUE50+	16-TSSOP_4.4_EP-4.4_MM	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX1793EUE50+T	16-TSSOP_4.4_EP-4.4_MM	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Jul 13, 2022 - 2236A ASSEMBLY
		pcn_2236a
MAX1793EUE15+	PRODUCTION
MAX1793EUE15+T	PRODUCTION
MAX1793EUE18+	PRODUCTION
MAX1793EUE18+T	PRODUCTION
MAX1793EUE25+	PRODUCTION
MAX1793EUE25+T	PRODUCTION
MAX1793EUE33+	PRODUCTION
MAX1793EUE33+T	PRODUCTION
MAX1793EUE33/V+	PRODUCTION
MAX1793EUE33/V+T	PRODUCTION
May 11, 2022 - 2236N ASSEMBLY
		pcn_2236n
MAX1793EUE20+
MAX1793EUE50+	PRODUCTION
MAX1793EUE50+T	PRODUCTION
Dec 11, 2018 - 1754N ASSEMBLY
		pcn_1754n
MAX1793EUE20+		pcn_1754n
Jan 17, 2018 - 1721E ASSEMBLY
		pcn_1721e
MAX1793EUE33/V+	PRODUCTION
MAX1793EUE33/V+T	PRODUCTION

This is the most up-to-date revision of the Data Sheet.

Software Resources

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Hardware Ecosystem

Parts	Product Life Cycle	Description
LDO Linear Regulators 3
MAX603	PRODUCTION	5V/3.3V or Adjustable, Low-Dropout, Low-I_Q, 500mA Linear Regulators
MAX604	PRODUCTION	5V/3.3V or Adjustable, Low-Dropout, Low-I_Q, 500mA Linear Regulators
MAX1792	PRODUCTION	500mA, Low-Dropout Linear Regulator in µMAX

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