CMOS LDO Regulator MCP1700
The Microchip Technology MCP1700 is a 3-pin TO-92-3 voltage regulator IC, designed for power management, with a wide operating temperature range of -40°C to 125°C. It offers low static current (4μA), provides 2% accuracy, and includes protection features against overcurrent, over-temperature, and short circuits.
Description
The MCP1700 Series – Leading the Tech Era in Regulator ICs
In our rapidly evolving world, technology is becoming increasingly compact and energy-efficient. To meet the ever-growing demand for efficient, low-power voltage regulation in battery-powered devices, the MCP1700 has emerged as a leading integrated circuit. This versatile CMOS Low Dropout (LDO) voltage regulator, certified under rigorous AEC-Q100 qualification standards, offers a wide range of features that make it an excellent choice for various applications, particularly in the automotive industry.
General Description:
The MCP1700 is part of a renowned family of CMOS Low Dropout (LDO) voltage regulators, known for their ability to provide a substantial 250 mA current while consuming a mere 1.6 µA of quiescent current. With its wide input voltage range, efficient power delivery, and various output voltage options, it's a versatile and reliable solution for a wide range of applications.
Available in multiple package options, including SOT-23, SOT-89, TO-92, and 2x2 DFN-6, the MCP1700 ensures compatibility with diverse design requirements, making it an appealing choice for engineers and designers seeking precision and efficiency to power their innovations.



Key Features:
There are many features in this chip, let's explain some of them below.
- Ultra-Low Quiescent Current
 
- The MCP1700 impressively boasts a typical quiescent current of only 1.6 µA, making it exceptionally efficient in conserving power, especially in battery-powered applications.
 
- Wide Input Voltage Range:
 
- Operating within a range of 2.3V to 6.0V, this regulator is suitable for applications powered by two or three primary cells or a single Li-Ion cell, making it a versatile solution for various power sources.
 
- Adjustable Output Voltage
 
- The output voltage is customizable within a range of 1.2V to 5.0V, catering to a wide spectrum of voltage requirements for different devices.
 
- High Output Current:
 
- The MCP1700 can deliver a maximum output current of 250 mA for output voltages equal to or greater than 2.5V and 200 mA for lower output voltages, making it suitable for powering a wide array of devices.
 
- Precise Output Voltage Tolerance
 
- It maintains a remarkable typical output voltage tolerance of 0.4%, ensuring the output voltage remains stable and accurate.
 
- Multiple Output Voltage Options:
 
- The circuit from this series is available in various standard output voltage options, including 1.2V, 1.8V, 2.5V, 2.8V, 2.9V, 3.0V, 3.3V, and 5.0V, making it adaptable to diverse application needs.
 
Applications:
The MCP1700 finds its place in a broad range of applications, excelling in battery-powered devices and circuits. Notable applications include:
Battery-Powered Alarm Systems: Ideal for ensuring the continuous operation of alarm systems, critical for safety.
Smoke Detectors: Reliable voltage regulation for timely alerts in smoke detectors.
CO2 Detectors: Valuable for applications requiring precise voltage control for carbon dioxide level monitoring.
Pagers and Cellular Phones: Significant power management advantage for communication devices.
Smart Battery Packs: Ensures efficient and stable power delivery for rechargeable battery packs.
Low Quiescent Current Voltage References: Ideal for applications prioritizing minimal power consumption.
PDAs and Digital Cameras: Ensures efficient powering of portable devices for user convenience.
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Product details:
Basic Part Number: MCP1700
Category: Integrated Circuits (IC), Power Management (PMIC), Voltage Regulators - Linear
Manufacturer: Microchip Technology
Mounting Type: Through Hole
Package/Case: TO-226-3, TO-92-3 (TO-226AA)
Number of Pins: 3
Operating Temperature: -40°C to 125°C
Moisture Sensitivity Level (MSL): 1 (Unlimited)
Termination Style: 3
Maximum Power Dissipation: 644mW
Technology: CMOS
Terminal Position: Bottom
Number of Functions: 1
Static Current: 4μA
Accuracy: 2%
Protection Features: Over Current, Over Temperature, Short Circuit
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