RT9198-27GBR

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 RT9198-27GBR is a voltage regulator IC designed to provide a stable and adjustable output voltage for various electronic devices.

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

Specifications

Input Voltage Range: 2.5V - 6V
Output Voltage Range: 1.2V - 5.5V
Dropout Voltage: 200mV @ 150mA
Output Current: Up to 300mA
Quiescent Current: 50μA
Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The RT9198-27GBR has a total of five pins:

VIN: Input voltage pin
GND: Ground pin
ADJ: Adjust pin for setting the output voltage
NC: No connection pin
VOUT: Output voltage pin

Functional Features

Low Dropout Voltage: The RT9198-27GBR exhibits a low dropout voltage, ensuring efficient power conversion 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 ADJ pin allows users to set the desired output voltage within the specified range.
Thermal Shutdown Protection: The IC incorporates thermal shutdown protection, which prevents damage due to excessive temperature.
Overcurrent Protection: The RT9198-27GBR includes overcurrent protection, safeguarding the device and connected components from excessive current flow.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient power conversion - Adjustable output voltage allows for flexibility in various applications - Thermal shutdown and overcurrent protection enhance reliability and safety

Disadvantages: - Limited maximum output current may not be suitable for high-power applications

Working Principles

The RT9198-27GBR operates as a linear voltage regulator. It regulates the output voltage by maintaining a constant voltage drop across its internal pass transistor. The adjustable output voltage is achieved by controlling the resistance between the ADJ pin and GND.

Detailed Application Field Plans

The RT9198-27GBR finds applications in various electronic devices that require stable and adjustable voltage supply. Some potential application fields include: 1. Battery-powered devices 2. Portable audio players 3. Mobile phones 4. Digital cameras 5. Wireless communication modules

Detailed and Complete Alternative Models

LM1117-ADJ: Adjustable Voltage Regulator, SOT-223 package
LT1761ES5-3.3: Low Dropout Voltage Regulator, SOT-23-5 package
MCP1700-3302E/TO: Low Quiescent Current LDO Regulator, TO-92 package
TS2940CP5: Adjustable Voltage Regulator, SOT-89 package
MAX603CPA: Precision Voltage Reference, DIP-8 package

These alternative models offer similar functionality and can be considered as substitutes for the RT9198-27GBR in different applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací RT9198-27GBR v technických řešeních

Sure! Here are 10 common questions and answers related to the application of RT9198-27GBR in technical solutions:

Q: What is RT9198-27GBR? A: RT9198-27GBR is a voltage regulator IC (integrated circuit) that provides a fixed output voltage of 2.7V.
Q: What is the input voltage range for RT9198-27GBR? A: The input voltage range for RT9198-27GBR is typically between 2.5V and 6V.
Q: What is the maximum output current of RT9198-27GBR? A: The maximum output current of RT9198-27GBR is typically 150mA.
Q: Can RT9198-27GBR be used in battery-powered applications? A: Yes, RT9198-27GBR can be used in battery-powered applications as it has a low dropout voltage and operates efficiently with low input voltages.
Q: Is RT9198-27GBR suitable for use in automotive electronics? A: Yes, RT9198-27GBR is suitable for use in automotive electronics as it meets the necessary requirements for automotive applications.
Q: Does RT9198-27GBR have built-in thermal protection? A: Yes, RT9198-27GBR has built-in thermal protection that prevents the IC from overheating and ensures safe operation.
Q: Can RT9198-27GBR be used in both step-up and step-down voltage conversion applications? A: No, RT9198-27GBR is primarily designed for step-down voltage conversion applications.
Q: What is the typical quiescent current of RT9198-27GBR? A: The typical quiescent current of RT9198-27GBR is very low, usually around 30µA.
Q: Does RT9198-27GBR require any external components for operation? A: Yes, RT9198-27GBR requires a few external components such as input and output capacitors for stable operation.
Q: Can RT9198-27GBR operate in extreme temperature conditions? A: Yes, RT9198-27GBR has a wide operating temperature range and can operate in extreme temperature conditions, making it suitable for various environments.

Please note that the answers provided here are general and may vary depending on specific datasheet specifications and application requirements.