R1180Q141B-TR-FE

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

The R1180Q141B-TR-FE is a CMOS-based low dropout regulator from the R1180x series, manufactured by Nisshinbo Micro Devices. It provides a fixed output voltage of 1.4 V with an accuracy of ±2.0%. The device supports a maximum output current of 150 mA and operates within an input voltage range of 1.7 V to 6.0 V. Key electrical characteristics include a typical supply current of 1 µA and a standby current of 0.1 µA when the chip enable pin is grounded. The package is SC-82AB, suitable for surface mount applications.

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

• Features a built-in chip enable pin that allows for ultra-low consumption current standby mode operation.
• Incorporates a fold-back protection circuit to prevent destruction from excess current during short-circuit conditions.
• Utilizes a CMOS process to achieve high output voltage accuracy and extremely low ON-resistance.

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

• Stable voltage reference
• Power source for battery-powered equipment
• Power source for cameras, VCRs, and camcorders

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

Verify the specific ordering suffix against the manufacturer's datasheet to confirm package type, output voltage, and CE pin configuration. Ensure compatibility with required thermal dissipation limits on the target PCB layout. Confirm RoHS compliance status through official documentation before finalizing procurement orders.

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

Select this component for designs requiring a fixed 1.4 V rail with minimal quiescent current. The SC-82AB package offers density benefits for compact boards. Ensure external ceramic capacitors are used for stability, as recommended in the technical notes. Verify that the input voltage remains within the specified operating range for optimal line regulation performance.

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

This part belongs to the R1180x Series, a family of 150mA LDO regulators featuring high accuracy and low supply current. The 'Q' designation indicates the SC-82AB package variant. The '14' specifies the 1.4 V output voltage setting, while 'B' denotes the inclusion of a chip enable pin with active-high logic control.

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

R1180Q141C-TR-FE (Same voltage, no CE pin)

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

What is the function of the 'B' suffix in the part number?

The 'B' suffix indicates that the device includes a Chip Enable (CE) pin, which allows for an ultra-low consumption current standby mode when the pin is pulled to ground.

What type of output capacitor is recommended for stable operation?

Ceramic capacitors are recommended for use with this IC, specifically a 0.1 µF capacitor connected close to the output pin for phase compensation.