RT9013-33GB

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RT9013-33GB

+BOM

IC REG LINEAR 3.3V 500MA SOT23-5

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Specifications

Attribute Value
Part Status Last Time Buy
Base Product Number RT9013
Output Configuration Positive
Output Type Fixed
Number of Regulators 1
Voltage - Input (Max) 5.5V
Voltage - Output (Min/Fixed) 3.3V
Voltage Dropout (Max) 0.4V @ 500mA
Current - Output 500mA
Current - Quiescent (Iq) 50 µA
PSRR 50dB (10kHz)
Control Features Enable
Protection Features Over Current, Over Temperature
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Package SC-74A, SOT-753
Supplier Device Package SOT-23-5
Packaging Cut Tape (CT), Tape & Reel (TR)

Overview

Description

The RT9013-33GB is a low-dropout (LDO) linear voltage regulator designed for high-efficiency power management in various electronic applications. It provides a fixed output voltage of 3.3V and is optimized for low power consumption and low noise, making it suitable for battery-powered devices. The regulator offers a low dropout voltage of typically 300mV at full load, ensuring efficient operation even when the input voltage is close to the output voltage.
The RT9013-33GB features a high power supply rejection ratio (PSRR), which helps minimize the impact of fluctuations in the input voltage on the output. Additionally, it includes built-in protection mechanisms such as current limit and thermal shutdown to prevent damage from overcurrent or overheating conditions. The device is typically offered in a small, space-saving package, allowing for easy integration into compact circuit designs.
Its applications range from smartphones and portable devices to industrial equipment, where stable and reliable voltage regulation is crucial. The RT9013-33GB is valued for its performance, efficiency, and protective features in demanding environments.

Equivalent

The RT9013-33GB is a low-dropout (LDO) linear voltage regulator providing a fixed output of 3.3V. Equivalent products include:
1. Microchip MCP1703-33: LDO regulator with similar voltage and current output.
2. Texas Instruments TLV1117-33: Offers a similar output voltage and dropout characteristics.
3. On Semiconductor NCP1117-3.3: Another alternative with comparable specifications.
4. STMicroelectronics LD1117-33: Similar output voltage and performance features.
Always confirm specifications like dropout voltage and load current to ensure compatibility.

Features

The RT9013-33GB is a low-dropout (LDO) linear voltage regulator. Here are its key features:
1. Output Voltage: It provides a fixed output voltage of 3.3V.
2. Low Dropout Voltage: This regulator operates efficiently with a low dropout voltage.
3. Output Current: It supports an output current up to 500mA, making it suitable for various applications.
4. Low Quiescent Current: The device consumes minimal quiescent current, enhancing its efficiency in battery-powered applications.
5. Thermal Shutdown: It includes thermal protection to prevent overheating.
6. Short Circuit Protection: Offers protection against output short circuits.
7. High PSRR: Provides high Power Supply Rejection Ratio, ensuring stable output despite variations in input voltage.
8. Compact Package: Available in small, space-saving packages, ideal for portable applications.
9. Stable with Low ESR Capacitors: Compatible with low Equivalent Series Resistance capacitors, which helps in maintaining stability.
10. RoHS Compliant: Meets environmental standards by being RoHS compliant.
These features make the RT9013-33GB suitable for portable devices, consumer electronics, and other applications requiring reliable voltage regulation.

Pinout

The RT9013-33GB is a low-dropout (LDO) linear voltage regulator. It typically comes in a SOT-23-5 package, which has 5 pins. The pin functions are generally as follows:
1. VIN: Input voltage pin where the source voltage is supplied.
2. GND: Ground pin, serving as the reference for the input and output voltages.
3. VOUT: Output voltage pin, delivering the regulated 3.3V output.
4. EN: Enable pin, which allows the regulator to be turned on or off. The device is enabled when this pin is held high.
5. NC or ADJ: This pin is often not connected (NC) but may also serve as an adjust pin or a second ground connection depending on specific model requirements.
Please refer to the specific datasheet for precise details and variations as this information could differ slightly based on the manufacturer's specifications and any updates to the model.

Manufacturer

The RT9013-33GB is manufactured by Richtek Technology Corporation. Richtek is a Taiwanese company that specializes in designing and manufacturing analog integrated circuits. The company is well-known for its expertise in power management solutions, including voltage regulators, battery management ICs, and LED drivers, among others. Richtek serves various markets such as consumer electronics, industrial applications, and automotive sectors, providing innovative and efficient power management solutions to enhance the performance and efficiency of electronic devices.

Application

The RT9013-33GB is a low-dropout linear regulator primarily used in applications requiring stable voltage output and low noise. Its key application areas include battery-powered devices, such as smartphones, tablets, and portable media players, where efficient power management is crucial. It is also utilized in consumer electronics, networking equipment, and wireless communication devices. Additionally, the RT9013-33GB is suitable for use in industrial instrumentation and automotive electronics, where consistent voltage regulation is needed for sensitive components. Its small footprint and low quiescent current make it ideal for compact and energy-efficient designs.

Package

The RT9013-33GB typically comes in a SOT-23-5 package type, which is a small outline transistor package with five pins. This package is commonly used for surface-mount applications due to its compact size, suitable for voltage regulator ICs like the RT9013 series.

Frequently Asked Questions


Q: What is the fixed output voltage of the RT9013-33GB?
A: The fixed output voltage is 3.3V, ideal for powering 3.3V logic devices and MCUs.


Q: What is the maximum input voltage this regulator can handle?
A: The maximum input voltage is 5.5V, making it suitable for 5V rails and Li-Ion battery inputs.


Q: Can the RT9013-33GB deliver 500mA continuously?
A: Yes, it supports a continuous output current of 500mA with a dropout voltage of only 0.4V max at full load.


Q: Does this LDO include an enable control feature?
A: Yes, it features an Enable pin for power sequencing and on/off control to save power in standby mode.


Q: What protection features are built into the RT9013-33GB?
A: It includes over-current protection and over-temperature shutdown to safeguard the load and device.


Q: What is the quiescent current consumption of this regulator?
A: The quiescent current is only 50 µA, which helps improve efficiency in battery-powered applications.


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