NCP711ASN500T1G

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

The NCP711ASN500T1G is a fixed-output low-dropout regulator from onsemi, providing a nominal 5.0 V output with a maximum continuous current of 100 mA. It operates within an input voltage range of 2.7 V to 18 V and features a typical quiescent current of 1 µA. The device includes built-in soft-start circuitry, over-current protection, and thermal shutdown. It is housed in a TSOP-5 package and is designed for battery-powered applications requiring high efficiency and fast transient response.

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

• Very low quiescent current suitable for always-on systems
• Integrated power good indicator for system monitoring
• Built-in soft start to suppress inrush current
• Stable with small ceramic capacitors

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

• Battery-powered tools and equipment
• Home automation systems
• RF devices
• Metering applications
• Remote control devices

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

Verify the exact part number against the manufacturer's official ordering information to ensure correct voltage version and package type. Confirm RoHS compliance status and lead times directly with authorized distributors or the manufacturer before placing orders. Ensure compatibility with your PCB footprint and thermal requirements.

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

Select this component when a stable 5.0 V rail is required from higher input voltages up to 18 V. It is ideal for designs prioritizing ultra-low standby power consumption. Consider the TSOP-5 package constraints and verify that external capacitor values meet the stability requirements specified in the datasheet.

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

This device belongs to the NCP711 family of LDO regulators, which are characterized by their ability to handle high input voltages while maintaining low quiescent current. The family offers both adjustable and fixed output options, catering to diverse power management needs in portable and industrial electronics.

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

Direct substitutes include other NCP711 variants with different fixed output voltages (e.g., NCP711ASN330T1G for 3.3 V) or the adjustable version (NCP711ASNADJT1G). Cross-family replacements should be evaluated based on pin compatibility and electrical specifications.

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

Does the NCP711ASN500T1G include a Power Good signal?

Yes, the 'B' suffix in the base model indicates the presence of a Power Good (PG) output pin, which signals when the output voltage is within regulation.

What is the minimum capacitance required for stability?

The device is stable with small ceramic capacitors as small as 1 µF on both the input and output pins, provided they meet the effective capacitance requirements under DC bias.