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Microchip Low Dropout Voltage Regulator MCP1804T-A002I/DB, 28V Input, 150mA Output, SOT-223 4-Pin
Specifications
| Country of Origin | India |
|---|---|
| Voltage | Regulators Microchip MCP1804T-A002I/DB, Voltage Regulator 28V SOT-223 4-Pin RS S |
| Brand | Microchip |
| Height | 1.7mm |
| Length | 6.7mm |
| Model | MCP1804T-A002I/DB |
| Width | 3.7mm |
| Mount Type | Surface |
| Series | MCP1804 |
| Maximum Operating Temperature | 85°C |
| Package Type | SOT-223 |
| Polarity | Positive |
| Maximum Input Voltage | 28V |
| Quiescent Current | 125μA |
| Minimum Input Voltage | 2V |
| Pin Count | 4 |
| High PSRR | 50 dB Typical @ 1 kHz |
| Input Operating Voltage Range | 2.0 V to 28.0 V |
Key Features
- The device supports input voltages from 2.0 V to 28 V for versatile applications.
- It features a low dropout voltage of 260 mV at 20 mA and a typical quiescent current of 50 μA.
- Stable operation with only 1 μF output capacitance required.
- Includes a shutdown pin with a very low shutdown current of 0.01 μA.
- Current foldback protection enhances device reliability under overload conditions.
- High power supply rejection ratio (PSRR) of 50 dB at 1 kHz reduces output noise.
- SOT-223 package with 4 surface mount pins facilitates PCB integration.
- Operating temperature up to 85°C durability in industrial environments.
Product Description
Microchip MCP1804T-A002I/DB is a low dropout (LDO) voltage regulator designed to provide a stable 150 mA output current from input voltages ranging from 2.0 V up to 28 V. It features a low quiescent current of 50 μA, making it ideal for low-power electronic applications and portable devices where efficient power consumption is critical.
This voltage regulator comes in a compact SOT-223 4-pin surface mount package, sized 6.7 mm in length, 3.7 mm in width, and 1.7 mm in height, enabling easy integration onto PCBs for industrial, laboratory, or commercial power management circuits.
The MCP1804 includes built-in current limit protection with current foldback to safeguard the device during overload situations. It also has a shutdown pin providing an ultra-low shutdown current of 0.01 μA, allowing designers to power down circuits efficiently. The device maintains output voltage accuracy within ±2%, which ensures reliable performance in sensitive electronics.
Offering a high power supply rejection ratio (PSRR) of 50 dB at 1 kHz frequency, the regulator effectively filters power supply noise, enhancing the stability of connected circuits. It supports positive polarity voltage regulation suitable for applications such as embedded systems, battery-powered devices, and instrumentation.
The MCP1804 is optimized for stability using only a small 1 μF ceramic output capacitor. It operates reliably up to a maximum ambient temperature of 85°C suitable for industrial environments. The device's surface mount type allows for efficient manufacturing assembly.
Typical dropout voltage is 260 mV at 20 mA, supporting low-voltage operation. Efficient quiescent current helps reduce power losses in standby modes. Robust current protection enhances device longevity and circuit safety.
Compact form factor and wide voltage range increase versatility in design.
This Microchip MCP1804T-A002I/DB voltage regulator is widely applicable in industrial electronics, power management IC solutions, consumer electronics, and embedded system designs that require precise and efficient voltage regulation.
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Frequently Asked Questions
This model supports input voltages ranging from 2.0 V to 28 V.
The MCP1804T-A002I/DB provides a stable output current of 150 mA.
It features a typical quiescent current of 50 μA, which is beneficial for low-power applications.
The typical dropout voltage is 260 mV at an output current of 20 mA.
This unit comes in a SOT-223 package with dimensions of 6.7 mm length, 3.7 mm width, and 1.7 mm height.
It includes built-in current limit protection with current foldback to enhance reliability during overload situations.
The maximum operating temperature for the MCP1804T-A002I/DB is 85°C, making it suitable for industrial environments.
It has a high power supply rejection ratio (PSRR) of 50 dB at 1 kHz, which helps reduce output noise.
This model is optimized for stability with only a 1 μF ceramic output capacitor required.
Yes, it includes a shutdown pin with a very low shutdown current of 0.01 μA, allowing for efficient power management.
The device maintains output voltage accuracy within ±2%, ensuring reliable performance in sensitive electronics.
The MCP1804T-A002I/DB supports positive polarity voltage regulation, suitable for various applications.
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