R1501J120B-T1-FE

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The R1501J120B-T1-FE is a CMOS-based positive voltage regulator IC from the R1501x series, manufactured by Nisshinbo Micro Devices. It features a fixed output voltage of 12.0V with an accuracy of ±2%. The device supports a minimum output current of 1A and operates within an input voltage range of 3.0V to 24.0V. It utilizes a DMOS driver transistor for high voltage operation and low on-resistance. Key electrical parameters include a typical supply current of 70µA, standby current of 0.1µA, and ripple rejection of 60dB at VSET=5.0V. The unit is housed in a TO-252-5-P2 package and functions across an operating temperature range of -40°C to 105°C.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

• Integrates a DMOS driver transistor enabling high input voltage operation up to 24V and low on-resistance characteristics.
• Includes built-in protection circuits comprising current limit, fold-back circuit, and thermal shutdown.
• Features a chip enable pin that allows switching to an ultra-low supply current standby mode.
• Provides fixed output voltage regulation with high accuracy and low temperature-drift coefficient.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

• Power source for digital home appliances such as refrigerators, rice cookers, and electric water warmers.
• Power source for car accessories including audio equipment, navigation systems, and ETC systems.
• Power source for notebook PCs, digital TVs, cordless phones, and private LAN systems.
• Power source for office equipment machines such as copiers, printers, facsimiles, scanners, and projectors.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify the specific part number against official manufacturer documentation to ensure correct output voltage marking and package type. Confirm RoHS compliance status and lead times directly with authorized distributors or the manufacturer. Ensure ordering suffixes match the required reel quantity and halogen-free specifications. Cross-reference datasheet revision dates to validate electrical characteristics and application notes.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this component when a fixed 12V output is required with up to 1A drive capability from inputs up to 24V. Consider the TO-252-5-P2 package for surface mount applications requiring enhanced thermal performance via the exposed tab. Evaluate the need for the chip enable function if low standby power consumption is critical. Verify that external capacitor ESR values meet stability requirements specified in the application guidelines.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

This device belongs to the R1501x series of 1A LDO regulators designed for high-voltage applications. The 'J' suffix indicates the TO-252-5-P2 package variant, while '120' denotes the 12.0V fixed output setting. The series is characterized by its CMOS construction using a specialized DMOS driver, distinguishing it from standard bipolar or lower-voltage LDOs. It serves as a robust linear regulation solution for automotive and consumer electronics environments.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Replacement Considerations

Direct substitutes within the same family include other R1501JxxxxB-T1-FE variants with different fixed output voltages, provided the system design accommodates the voltage change. For alternative packages, the R1501SxxxxB-E2-FE series offers identical electrical characteristics in an HSOP-6J package. Verify pin compatibility and thermal dissipation capabilities before substituting with devices from other manufacturers.