MAX1725/MAX1726 12V, Ultra-Low IQ, Low-Dropout Linear Regulators
■General Description
◆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-low2μA 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 9Vbatteries. 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 volt-ages (see the Ordering Information). Both devices are available in a tiny 5-pin SOT23 package.
■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
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MAX1725 、 MAX1726 、 MAX1725EUK+T 、 MAX1726EUK18+T 、 MAX1726EUK25+T 、 MAX1726EUK25/V+T 、 MAX1726EUK33+T 、 MAX1726EUK50+T 、 MAX1726EUK26/V+ |
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[ Smoke Detectors ][ Remote Transmitters ][ Smart Battery Packs ][ Industrial Control Systems ][ Microcontroller Power ][ Real-Time Clock Backup Power ][ PDAs ][ Handy-Terminals ][ Battery-Powered Alarms ] |
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Datasheet |
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Please see the document for details |
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SOT23 |
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English Chinese Chinese and English Japanese |
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11/12 |
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Rev 2 |
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19-1680 |
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492 KB |
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