SM73302MF/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High efficiency - Low dropout voltage - Adjustable output voltage - Overcurrent protection - Thermal shutdown protection

Package: SOT-23-5

Essence: SM73302MF/NOPB is a voltage regulator IC that provides stable and regulated output voltage for various electronic devices.

Packaging/Quantity: Available in tape and reel packaging, with 3000 units per reel.

Specifications

• Input Voltage Range: 2.7V to 6.5V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV at 150mA
• Quiescent Current: 45µA
• Output Current: Up to 300mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SM73302MF/NOPB IC has the following pin configuration:

1. GND (Ground)
2. EN (Enable)
3. FB (Feedback)
4. VIN (Input Voltage)
5. VOUT (Output Voltage)

Functional Features

• High Efficiency: The SM73302MF/NOPB offers high efficiency, minimizing power loss during voltage regulation.
• Low Dropout Voltage: With a low dropout voltage of only 200mV at 150mA, it can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
• Adjustable Output Voltage: The output voltage can be adjusted within the range of 1.2V to 5.5V, providing flexibility for different applications.
• Overcurrent Protection: The IC incorporates overcurrent protection, safeguarding the circuit from excessive current flow.
• Thermal Shutdown Protection: It includes thermal shutdown protection, preventing the IC from overheating and ensuring safe operation.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption. - Adjustable output voltage allows for versatile applications. - Overcurrent and thermal shutdown protection enhance reliability and safety.

Disadvantages: - Limited output current capacity (up to 300mA). - Restricted input voltage range (2.7V to 6.5V).

Working Principles

The SM73302MF/NOPB operates as a linear voltage regulator. It regulates the output voltage by comparing the feedback voltage (FB) with a reference voltage. The enable pin (EN) controls the ON/OFF state of the regulator. When enabled, the IC adjusts the pass transistor to maintain the desired output voltage. If the output current exceeds the specified limit or the temperature rises above the threshold, the overcurrent and thermal shutdown protections are activated, ensuring the safety of the circuit.

Detailed Application Field Plans

The SM73302MF/NOPB is suitable for various applications, including but not limited to: 1. Battery-powered devices 2. Portable electronic devices 3. IoT devices 4. Wearable devices 5. Audio amplifiers 6. Sensor modules 7. Embedded systems

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to SM73302MF/NOPB are: 1. LM1117-ADJ 2. MCP1700T-3302E/TT 3. TPS73633DBVR 4. LP2985AIM5X-3.3/NOPB 5. MAX603CPA

These models offer similar functionality and characteristics, providing options for different design requirements.

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