LM3704XCMM-308/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - Low quiescent current - High output voltage accuracy - Thermal shutdown protection - Short-circuit current limit

Package: SOT-23-5

Essence: The LM3704XCMM-308/NOPB is a voltage regulator IC that provides a stable output voltage for various electronic devices.

Packaging/Quantity: The LM3704XCMM-308/NOPB is typically sold in reels containing 3000 units.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 1.2V to 3.3V
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 40µA
• Output Current: Up to 250mA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LM3704XCMM-308/NOPB has five pins arranged as follows:

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Pin 1: Enable (EN) - Controls the regulator's operation when connected to the system's control circuitry.

Pin 2: Ground (GND) - Connected to the ground reference of the system.

Pin 3: Feedback (FB) - Provides feedback to regulate the output voltage.

Pin 4: Output (OUT) - Supplies the regulated output voltage to the load.

Pin 5: Input (IN) - Connects to the input voltage source.

Functional Features

• Low dropout voltage ensures efficient regulation even with small input-output differentials.
• Low quiescent current minimizes power consumption during standby or idle modes.
• High output voltage accuracy ensures precise voltage regulation for sensitive electronic components.
• Thermal shutdown protection prevents the IC from overheating and damaging itself.
• Short-circuit current limit protects the regulator and the load from excessive current.

Advantages and Disadvantages

Advantages: - Efficient voltage regulation with low dropout voltage - Low power consumption during standby - Accurate output voltage regulation - Built-in thermal shutdown protection - Protection against short-circuits

Disadvantages: - Limited output current capacity (up to 250mA) - Restricted input voltage range (2.7V to 5.5V)

Working Principles

The LM3704XCMM-308/NOPB operates as a linear voltage regulator. It compares the feedback voltage at the FB pin with an internal reference voltage to generate an error signal. This error signal is then amplified and used to control the pass transistor, which adjusts the output voltage to maintain it at the desired level. The enable pin (EN) allows the regulator to be turned on or off based on the system's requirements.

Detailed Application Field Plans

The LM3704XCMM-308/NOPB can be used in various applications that require stable and regulated voltage supply. Some potential application fields include:

1. Battery-powered devices: Portable electronics such as smartphones, tablets, and wearable devices can benefit from the LM3704XCMM-308/NOPB's low quiescent current and efficient voltage regulation.

2. IoT devices: Internet of Things (IoT) devices often operate on low power and require precise voltage regulation. The LM3704XCMM-308/NOPB can provide the necessary stability and efficiency for these applications.

3. Automotive electronics: With its wide operating temperature range and thermal shutdown protection, the LM3704XCMM-308/NOPB is suitable for automotive applications, including infotainment systems, sensors, and control modules.

4. Industrial equipment: The LM3704XCMM-308/NOPB can be used in various industrial applications such as control systems, motor drives, and power supplies, where reliable voltage regulation is crucial.

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with similar characteristics and package type.
2. LP2985-33DBVR: Another voltage regulator IC with comparable specifications and package size.
3. MCP1700-3302E/TO: An alternative option from a different manufacturer offering similar features.

These alternative models can be considered based on specific requirements and availability.

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