S-818A31AMC-BGLT2G

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

The S-818A31AMC-BGLT2G is a positive voltage regulator from the ABLIC S-818 Series, utilizing CMOS technology. It provides a fixed output voltage of 3.1 V with an accuracy of ±2.0%. The device operates within an input voltage range up to 10 V and supports an output current of at least 200 mA for this voltage setting. Key electrical parameters include a typical dropout voltage of 0.30 V at 60 mA, a line regulation of 0.2 %/V maximum, and a load regulation of 50 mV maximum. Current consumption is 40 µA maximum during operation and 0.5 µA maximum in power-off mode. It functions between -40°C and +85°C.

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

• Built-in ON/OFF circuit enables significant reduction in current consumption when disabled, extending battery life in portable applications.
• Low dropout voltage performance achieved through a built-in low on-resistance P-channel MOS FET output transistor.
• Compatible with small ceramic capacitors of 2 µF or more as output capacitors, facilitating miniaturization.
• Positive logic control on the ON/OFF pin allows straightforward integration for system power management.

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

• Constant-voltage power supply for battery-powered devices
• Power source for personal communication devices
• Power source for home electric appliances

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

Verify the specific ordering suffix against the manufacturer's official product name structure documentation. Confirm that the package code corresponds to the SOT-23-5 form factor and that the environmental code matches lead-free requirements. Ensure the ON/OFF pin logic aligns with the system design before procurement.

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

Select this component for applications requiring a stable 3.1 V rail with minimal quiescent current. Consider the power dissipation limits of the SOT-23-5 package when designing for high output currents. Ensure the external output capacitor meets the minimum capacitance and ESR specifications to prevent oscillation.

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

This part belongs to the S-818 Series of low dropout CMOS voltage regulators manufactured by ABLIC Inc. The series offers various fixed output voltages selectable in 0.1 V steps. It is designed for portable electronics where low power consumption and compact packaging are critical requirements.

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

Consult the official S-818 Series product name list for direct substitutes with different output voltages or packages. Verify compatibility with alternative LDO regulators only if they match the electrical characteristics and pinout configuration.

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

What is the function of the NC pin on the SOT-23-5 package?

The NC pin is electrically open. It can be connected to the VIN pin or the VSS pin if necessary for layout purposes.

How does the ON/OFF pin operate for the 'A' type product?

For the 'A' type product, applying a high level (H) to the ON/OFF pin turns the regulator ON, while applying a low level (L) turns it OFF.