RT9169-13GVL

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

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

Package: SOT-23-5

Essence: The RT9169-13GVL is a voltage regulator IC that provides a stable output voltage with low dropout. It is commonly used in various electronic devices to regulate and maintain a constant voltage level.

Packaging/Quantity: The RT9169-13GVL is available in a SOT-23-5 package, which is a small surface-mount package. It is typically sold in reels or tubes containing multiple units.

Specifications

The RT9169-13GVL has the following specifications:

• Input Voltage Range: 2.5V - 6V
• Output Voltage Range: 1.2V - 5.5V
• Dropout Voltage: 300mV at 100mA
• Output Current: Up to 300mA
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The RT9169-13GVL has a total of five pins arranged as follows:

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Pin 1: Enable (EN) Pin 2: Ground (GND) Pin 3: Feedback (FB) Pin 4: Output (OUT) Pin 5: Input (IN)

Functional Features

• Low Dropout Voltage: The RT9169-13GVL exhibits a low dropout voltage, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.
• High Output Current Capability: With a maximum output current of 300mA, this voltage regulator can handle a wide range of load requirements.
• Adjustable Output Voltage: The output voltage can be adjusted within the specified range using external resistors connected to the feedback pin (FB).
• Thermal Shutdown Protection: The IC incorporates thermal shutdown protection, which prevents damage due to excessive temperature.
• Overcurrent Protection: The RT9169-13GVL includes overcurrent protection, safeguarding the circuit from excessive current flow.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation even with small input-output voltage differentials. - High output current capability allows for versatile applications. - Adjustable output voltage provides flexibility in various electronic designs. - Thermal shutdown and overcurrent protection enhance reliability and safety.

Disadvantages: - Limited input voltage range (2.5V - 6V) may restrict certain applications requiring higher or lower input voltages. - SOT-23-5 package may pose challenges in terms of space constraints and soldering for some circuit layouts.

Working Principles

The RT9169-13GVL operates as a linear voltage regulator. It regulates the output voltage by comparing the feedback voltage (FB) with a reference voltage. Any difference between the two voltages is amplified and used to control the pass transistor, adjusting its resistance to maintain a stable output voltage.

Detailed Application Field Plans

The RT9169-13GVL finds applications in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - Embedded systems - Communication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with similar specifications and features.
2. MCP1700-3302E/TO: Another viable option offering comparable performance.
3. LP2985-33DBVR: A low dropout voltage regulator with adjustable output voltage.

These alternative models can be considered based on specific design requirements and availability in the market.

In conclusion, the RT9169-13GVL is a versatile voltage regulator IC that offers stable output voltage regulation with low dropout. Its adjustable output voltage, high output current capability, and built-in protection features make it suitable for various electronic applications. Designers should consider alternative models based on their specific needs and availability.