MAX1837ETT33+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Low Quiescent Current, Adjustable Output Voltage
• Package: 6-Pin Thin SOT23
• Essence: Efficient Voltage Regulation
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage Range: 1.8V to 3.3V
• Dropout Voltage: 120mV at 100mA Load Current
• Quiescent Current: 40µA (typical)
• Output Current: Up to 150mA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX1837ETT33+T has the following pin configuration:

```

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| | --| VOUT | --| GND | --| FB | --| EN | --| VIN | |___________| ```

• VIN: Input Voltage
• EN: Enable Pin
• FB: Feedback Pin
• GND: Ground
• VOUT: Output Voltage

Functional Features

• Low dropout voltage allows operation with small input-output voltage differentials.
• Low quiescent current ensures minimal power consumption during standby or idle mode.
• Adjustable output voltage provides flexibility in various applications.
• Thermal shutdown and current limit protection ensure safe operation.

Advantages and Disadvantages

Advantages: - Wide input voltage range enables compatibility with different power sources. - Small package size saves board space. - Low dropout voltage minimizes power dissipation. - Adjustable output voltage suits various applications.

Disadvantages: - Limited output current may not be suitable for high-power applications. - Requires external components for proper operation.

Working Principles

The MAX1837ETT33+T is a low dropout voltage regulator that provides a stable output voltage despite fluctuations in the input voltage. It operates by comparing the feedback voltage (FB) with an internal reference voltage. The error amplifier adjusts the pass transistor to maintain the desired output voltage. The enable pin (EN) controls the regulator's on/off state.

Detailed Application Field Plans

The MAX1837ETT33+T is commonly used in portable electronic devices, such as smartphones, tablets, and wearable devices. It is suitable for applications where a stable and efficient voltage supply is required, such as powering microcontrollers, sensors, and other low-power components.

Detailed and Complete Alternative Models

• MAX1836: Similar voltage regulator with fixed output voltage options.
• MAX1838: Higher output current version of the MAX1837ETT33+T.
• MAX1839: Voltage regulator with additional features like power sequencing.

These alternative models offer similar functionality but may have different specifications or package options to suit specific requirements.

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