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R1240N001B-TR-FE

Name: R1240N001B-TR-FE
Rating: 4.7 (12 reviews)

PWM STEP-DOWN DCDC CONVERTER

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資料表 R1240N001B-TR-FE DataSheet
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規格

Part Status	Active
Output Type	PWM
Function	Step-Down
Output Configuration	Positive
Topology	Buck
Number of Outputs	1
Output Phases	1
Voltage - Supply (Vcc/Vdd)	4.5V ~ 30V
Frequency - Switching	1.25MHz
Duty Cycle (Max)	85%
Synchronous Rectifier	No
Clock Sync	No
Control Features	Enable
Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount
Package / Case	SOT-23-6
Supplier Device Package	SOT-23-6W
Base Product Number	R1240

概述

Description

The R1240N001B-TR-FE is a voltage regulator IC designed by ROHM Semiconductor. It is part of the R1240 series, which includes low-dropout (LDO) regulators suitable for various applications requiring stable voltage supply. This specific model provides a fixed output voltage of 1.0V and is capable of delivering a maximum output current of 1A.
Key features include low dropout voltage, high ripple rejection, and a wide input voltage range, making it ideal for battery-powered devices and other applications where efficient power management is crucial. Additionally, the R1240N001B-TR-FE includes overcurrent protection and thermal shutdown features for enhanced reliability.
The package type is typically a compact SOT-23, facilitating easy integration into circuit designs. Its performance characteristics make it suitable for use in consumer electronics, telecommunications, and automotive applications, where stable and efficient voltage regulation is necessary.

Features

The R1240N001B-TR-FE is a low dropout (LDO) voltage regulator designed for efficient power management in portable and battery-powered applications. Key features include:
1. Input Voltage Range: Typically operates between 2.5V and 6V.
2. Output Voltage: Fixed output voltage of 1.0V.
3. Maximum Output Current: Capable of supplying up to 1A of output current.
4. Low Dropout Voltage: Ensures efficient operation with a dropout voltage of around 200mV at 1A, enhancing battery life.
5. Quiescent Current: Features low quiescent current for improved efficiency in battery-operated devices.
6. Temperature Range: Operates over a broad temperature range, suitable for various environments.
7. Protection Features: Includes thermal shutdown and overcurrent protection to ensure safe operation.
8. Compact Package: Available in a small SOT-23 package, ideal for space-constrained applications.
These features make the R1240N001B-TR-FE suitable for a variety of applications, including consumer electronics, automotive, and industrial systems.

Package

The R1240N001B-TR-FE is typically available in a SOT-23 package type. This small, surface-mounted package is commonly used for various electronic components, including voltage regulators and other integrated circuits.

Pinout

The R1240N001B-TR-FE is a low-dropout (LDO) voltage regulator, typically used in power management applications. It features a pin count of 5.
The functions of the pins are as follows:
1. VIN: Input voltage pin where the supply voltage is applied.
2. GND: Ground pin that connects to the system ground to provide a common reference point.
3. VOUT: Output voltage pin that delivers the regulated output voltage.
4. ENABLE: Control pin to enable or disable the LDO operation.
5. NC (No Connect): This pin is not internally connected and can be left unconnected.
The device operates with a maximum output current of 1A and provides an output voltage of 1.0V with minimal dropout voltage, making it suitable for various portable and battery-operated devices.

Manufacturer

The R1240N001B-TR-FE is manufactured by Richtek Technology Corporation. Richtek is a semiconductor company that specializes in the design and production of analog and mixed-signal ICs (integrated circuits). They provide power management solutions, including voltage regulators, LED drivers, and battery management ICs, serving various applications in consumer electronics, telecommunications, and industrial devices. Founded in 2001 and based in Taiwan, Richtek is recognized for its innovative solutions and commitment to quality in the semiconductor industry.

Application

The R1240N001B-TR-FE is a high-performance voltage regulator primarily used in applications such as power supply circuits, battery management systems, and portable electronic devices. Its stability and efficiency make it suitable for consumer electronics, automotive systems, and industrial equipment, where reliable voltage regulation is crucial. Additionally, it can be utilized in telecommunications and medical devices for precise power delivery.

Equivalent

The R1240N001B-TR-FE is a voltage regulator, and its equivalent products include the LM1117, LM317, MCP1700, and TPS7A47. Be sure to check specific electrical characteristics like output voltage, current rating, and package type to ensure compatibility.