S-1315D39-A6T2U3

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

The ABLIC S-1315D39-A6T2U3 is a CMOS-based positive voltage regulator from the S-1315 Series, providing a fixed 3.9 V output with a maximum current of 200 mA. It operates within an input voltage range of 1.4 V to 5.5 V and features high accuracy of ±1.0%. The device supports operation without an output capacitor, utilizing only an input ceramic capacitor of 0.1 μF or more. It includes built-in overcurrent protection and an ON/OFF control circuit. The component is housed in an HSNT-6 (1212) package and functions across a temperature range of -40°C to +85°C.

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

• Enables high-density mounting by operating stably without an output capacitor.
• Features extremely low current consumption during operation and power-off states.
• Includes built-in overcurrent protection circuits to safeguard against excessive load currents.
• Supports system power management through a dedicated ON/OFF pin for controlling active and standby modes.

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

• Constant-voltage power supply for battery-powered devices
• Constant-voltage power supply for communication equipment
• Constant-voltage power supply for mobile phones
• Constant-voltage power supply for electronic modules

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

Verify the specific ordering suffix to confirm the package type and environmental compliance details. Confirm that the selected variant matches the required output voltage step and functional options such as discharge shunt availability. Ensure design compatibility with the specified input voltage limits and thermal dissipation requirements for the HSNT-6 package.

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

Select this component when a stable 3.9 V rail is required with minimal external components. Consider the low quiescent current for battery efficiency. Evaluate the dropout voltage characteristics at the expected load current to ensure regulation stability. Verify that the application does not require the discharge shunt function, as the D-type lacks this feature.

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

This part belongs to the S-1315 Series of low-dropout linear regulators manufactured by ABLIC Inc. The series utilizes CMOS technology to achieve high efficiency and compact size. The D-type designation indicates specific internal logic configurations regarding the ON/OFF pin behavior and absence of discharge shunt or pull-down functions compared to other series variants.

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

S-1315D39-M5T1U3