MAX1725
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MAX1725

12V, Ultra-Low-IQ, Low-Dropout Linear Regulators

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Info: : PRODUCTION tooltip
Info: : PRODUCTION tooltip
Part Details
Part Models 2
1ku List Price Starting From $1.00
Features
  • 2µA Supply Current
  • Reverse-Battery Protection
  • +2.5V to +12V Input Voltage Range
  • Fixed 1.8V, 2.5V, 3.3V, and 5V Output Voltages (MAX1726)
  • Adjustable 1.5V to 5V Output Voltages (MAX1725)
  • 20mA Guaranteed Output Current
  • 1.5% Output Voltage Accuracy
  • Small 1µF Output Capacitor
  • Short-Circuit Protection
  • Thermal Protection
  • Tiny 5-Pin SOT23 Package
Additional Details
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The MAX1725/MAX1726 are ultra-low supply current, low-dropout linear regulators intended for low-power applications that demand the longest possible battery life. Unlike inferior PNP-based designs, the MAX1725/MAX1726s' PMOS pass elements maintain an ultra-low 2µA supply current throughout their entire operating range and in dropout. Despite their ultra-low power consumption, the MAX1725/MAX1726 have tight output accuracy (1.5%) and require just 1µF output capacitance to achieve good load-transient response.

These regulators have a wide input voltage range (+2.5V to +12V), making them excellent choices for systems powered from two lithium-ion (Li+) cells and 9V batteries. Other features include reverse-battery protection, short-circuit protection, and thermal protection.

The MAX1725 provides an adjustable 1.5V to 5V output using an external resistor-divider. The MAX1726 provides factory preset 1.8V, 2.5V, 3.3V, or 5V output voltages (see the Ordering Information in the full data sheet). Both devices are available in a tiny 5-pin SOT23 package.

Applications

  • Battery-Powered Alarms
  • Industrial Control Systems
  • Microcontroller Power
  • PDAs and Handy-Terminals
  • Real-Time Clock Backup Power
  • Remote Transmitters
  • Smart Battery Packs/Chargers
  • Smoke Detectors
Part Models 2
1ku List Price Starting From $1.00

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
MAX1725EUK+
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Part Models

Product Lifecycle

PCN

Apr 28, 2020

- 1703R

ASSEMBLY

MAX1725EUK+

PRODUCTION

Feb 4, 2015

- 1341_CANCELLATION

ASSEMBLY

MAX1725EUK+

PRODUCTION

MAX1725EUK+T

PRODUCTION

Jun 29, 2018

- 1703N

ASSEMBLY

MAX1725EUK+T

PRODUCTION

Filter by Model

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Reset Filters

Part Models

Product Lifecycle

PCN

Apr 28, 2020

- 1703R

arrow down

ASSEMBLY

MAX1725EUK+

PRODUCTION

Feb 4, 2015

- 1341_CANCELLATION

arrow down

ASSEMBLY

MAX1725EUK+

PRODUCTION

MAX1725EUK+T

PRODUCTION

Jun 29, 2018

- 1703N

arrow down

ASSEMBLY

MAX1725EUK+T

PRODUCTION

Software & Part Ecosystem

Software & Part Ecosystem

Reference Designs

Reference Designs 1

MAXREFDES1151

Supercapacitor dv/dt Suppression Circuit Using MAX406, MAX985, and MAX1725

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MAXREFDES1151

Supercapacitor dv/dt Suppression Circuit Using MAX406, MAX985, and MAX1725

Supercapacitor dv/dt Suppression Circuit Using MAX406, MAX985, and MAX1725

Features and Benefits

  • +2.5V to +10V Single-Supply Range
  • 500μV Max Offset Voltage (MAX406A)
  • < 0.1pA Typical Input-Bias Current
  • Output Swings Rail-to-Rail
  • Input Voltage Range Including Negative Remote Alarm Notification (RAI)
View Detailed Reference Design external link

Design & Integration Tools

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