AP2111HA-3.3TRG1

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

The AP2111HA-3.3TRG1 is a fixed-output low dropout linear regulator manufactured by Diodes Incorporated, delivering a guaranteed 600mA continuous load current with a 3.3V output voltage. It operates within an input voltage range of 2.5V to 6.0V and features a typical dropout voltage of 250mV at full load. The device incorporates an enable function for power management, achieving a standby current as low as 0.01μA. Built-in protections include foldback short-circuit current limiting and thermal shutdown. It maintains stability with flexible capacitors including ceramic, tantalum, and aluminum electrolytic types.

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

• Integrated enable function allows precise control over the output state for power optimization
• Built-in auto discharge mechanism ensures rapid output voltage decay when disabled
• Foldback short-circuit protection limits fault currents to safeguard connected circuitry
• Thermal shutdown logic prevents damage during excessive heat generation events

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

• Laptop computer power distribution systems
• Portable DVD player voltage regulation
• LCD monitor internal power supply rails

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

Verify component authenticity through authorized channels. Confirm RoHS compliance status via official documentation. Ensure proper handling procedures are followed due to moisture sensitivity classification. Validate package markings against datasheet specifications before integration into production assemblies.

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

Evaluate input voltage requirements against the specified operating range. Consider thermal dissipation needs based on load current and ambient temperature conditions. Select appropriate output capacitor type to ensure loop stability. Verify that the SOT-223 package dimensions fit the target PCB layout constraints.

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

This component belongs to the AP2111 series of CMOS LDO regulators designed for portable electronics. It shares architectural similarities with other members in the family but differs in specific package configurations and output voltage options. The HA suffix denotes the SOT-223 package variant optimized for surface mount applications requiring moderate power handling capabilities.

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

AP2111H-3.3TRG1 serves as a direct substitute within the same product family.