S-1200B48-A6T1U

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

The S-1200B48-A6T1U is a positive voltage regulator from the S-1200 Series, manufactured by ABLIC Inc. It provides a fixed output voltage of 4.8 V with an accuracy of ±1.0%. The device operates within an input voltage range of 2.0 V to 10.0 V and supports an output current of up to 150 mA. It features low dropout characteristics, high ripple rejection, and low current consumption of 18 μA typical during operation. The component utilizes CMOS technology and includes built-in overcurrent protection and an ON/OFF control circuit.

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

• Utilizes CMOS technology for low power consumption and low dropout performance
• Incorporates a built-in overcurrent protection circuit to limit output transistor current
• Features an integrated ON/OFF pin that significantly reduces current consumption when disabled
• Compatible with small ceramic capacitors (0.1 μF or more) for input and output stabilization

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

• Power supply for battery-powered devices
• Power supply for personal communication devices
• Power supply for home electric appliances
• Power supply for cellular phones

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

Verify the specific package type and environmental code against the official datasheet before procurement. Confirm the ON/OFF pin logic configuration matches the design requirements. Ensure input and output capacitor selections adhere to the specified ESR limits to prevent oscillation. Validate thermal dissipation capabilities under maximum load conditions.

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

Select this component for applications requiring a stable 4.8 V rail with minimal quiescent current. Consider the package power dissipation limits when designing for high output currents. Ensure the input voltage remains within the specified range to maintain regulation. Verify compatibility with available ceramic capacitors for phase compensation.

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

This part belongs to the S-1200 Series of high ripple-rejection low dropout regulators. The series offers selectable output voltages in 0.1 V steps from 1.5 V to 5.5 V. It is designed for portable electronics where low power consumption and small external component size are critical. The B suffix indicates positive logic for the ON/OFF pin.

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

S-1200B48-I6T2U

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

What is the logic level for the ON/OFF pin on the S-1200B48-A6T1U?

The 'B' in the part number indicates positive logic, meaning the regulator is enabled when the ON/OFF pin is at a high level and disabled when at a low level.

Can this regulator operate with only ceramic capacitors?

Yes, the S-1200 Series is designed to operate stably with ceramic capacitors of 0.1 μF or more, provided the equivalent series resistance (ESR) is 1.0 Ω or less.