BA09ST

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

The BA09ST is a positive fixed linear regulator from ROHM Semiconductor, designed to provide stabilized output voltage from fluctuating DC input sources. It features a maximum output current of 1A and operates within an input voltage range of 10V to 25V. The device offers a typical dropout voltage of 0.3V at 500mA load. Line regulation is specified at 100mV, while load regulation is rated at 150mV. It supports a minimum operating temperature of -40°C and includes enable control functionality for power management applications.

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

• Provides stable fixed output voltage from varying DC inputs
• Includes enable control feature for power management
• Low dropout voltage characteristic for efficiency
• Integrated thermal protection mechanisms

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

• General purpose voltage regulation in electronic circuits
• Power supply stages requiring stabilized DC output
• Embedded systems with variable input voltage sources

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

Verify the specific package variant, as the BA09ST designation may correspond to TO-220F-5 or similar configurations depending on the manufacturer's suffix conventions. Confirm active status and RoHS compliance through official ROHM documentation before procurement. Ensure the selected part matches the required thermal and electrical specifications for the target application environment.

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

Select this component when a 1A fixed output regulator with low dropout is required. Consider the 10V-25V input range suitability for the system design. Evaluate thermal performance requirements given the TO-220F-5 package options available. Verify that the 100mV line regulation meets the precision needs of the downstream circuitry.

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

The BA09 series comprises fixed output LDO regulators with shutdown capabilities. The BA09ST specifically denotes a variant within this family, often associated with higher current handling and robust packaging. These regulators are part of ROHM's PMIC portfolio, focusing on reliable linear regulation for industrial and consumer electronics.

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

Cross-reference with other ROHM BA09 series parts like BA09SFP for pin-compatible alternatives. Verify equivalent electrical parameters such as output current and dropout voltage when substituting. Ensure the replacement maintains the same enable control functionality and thermal characteristics.