S-1323B42NB-N9BTFU

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

The S-1323B42NB-N9BTFU is a CMOS voltage regulator from the S-1323 Series, manufactured by ABLIC Inc. It provides a fixed output voltage of 4.2 V with an accuracy of ±1.0%. The device operates within an input voltage range of 2.0 V to 6.5 V and supports an output current of up to 150 mA. Key electrical characteristics include a typical ripple rejection of 70 dB at 1.0 kHz and a dropout voltage of 0.50 V (typical) at 150 mA. Current consumption is 70 µA during operation and 0.1 µA in power-off mode. It features built-in overcurrent protection and an ON/OFF control circuit.

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

• Built-in low on-resistance transistor enables low dropout voltage and high output current capability.
• Integrated overcurrent protection circuit limits load current to prevent damage.
• ON/OFF circuit allows for significant reduction in current consumption during standby.
• Compatible with small ceramic capacitors for stable phase compensation.

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

• Constant-voltage power supply for battery-powered devices
• Constant-voltage power supply for personal communication devices
• Constant-voltage power supply for home electric appliances
• Constant-voltage power supply for cellular phones

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

Verify that the component matches the specific package type SC-82AB and the positive logic ON/OFF pin configuration indicated by the 'B' suffix. Confirm compliance with RoHS and halogen-free requirements as specified by the environmental code. Ensure the ordering quantity aligns with manufacturer distribution channels.

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

Select this part when a fixed 4.2 V output is required with high accuracy. Consider the thermal dissipation limits of the SC-82AB package under maximum load conditions. Verify that the application utilizes ceramic output capacitors with ESR of 10 Ω or less to ensure stability and prevent oscillation.

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

This component belongs to the S-1323 Series of high ripple-rejection and small package CMOS voltage regulators. The series is characterized by its ability to operate with small external components while maintaining precise voltage regulation across a wide temperature range.

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

Public confirmed substitute part numbers are not available in the provided documentation.