S-817A29ANB-CUST2G

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

The S-817A29ANB-CUST2G is a fixed-output linear LDO voltage regulator manufactured by ABLIC. It provides a nominal output voltage of 2.9 V with a maximum output current capability of 50 mA. The device operates within an input voltage range up to 10 V and maintains a typical dropout voltage of 160 mV at 10 mA. Quiescent current is specified at 1.2 µA, ensuring low power consumption. Voltage regulation accuracy is ±2.0%. It functions reliably across an operating temperature range from -40°C to +85°C and utilizes an SC-82AB-4 surface-mount package.

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

• Ultra-low quiescent current operation for extended battery life in portable applications
• High output current capability of 50 mA with stable performance under varying loads
• Integrated short-circuit protection to safeguard the regulator and connected circuitry
• Requires only a small ceramic output capacitor for stability, minimizing board space

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

• Power supply for battery-operated personal communication devices
• Voltage regulation for home electric and electronic appliances
• Low-power sensor nodes in portable instrumentation
• Backup power sources for microcontroller systems

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

Verify the complete part number against official ABLIC documentation to ensure correct output voltage and package configuration. Confirm RoHS compliance status and specific ordering suffixes such as 'CUST2G' for tape-and-reel packaging requirements. Cross-reference datasheet revisions to validate electrical parameters before finalizing procurement specifications.

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

Select this component when a fixed 2.9 V rail is required with moderate current demands up to 50 mA. Ensure the input voltage remains within the 10 V maximum limit while accounting for dropout voltage variations. Verify that the load current does not exceed thermal dissipation limits for the SC-82AB-4 package under expected ambient conditions.

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

This regulator belongs to the S-817 series of CMOS voltage regulators designed for super-small packages. The series offers various fixed output voltages selectable in 0.1 V steps, catering to diverse low-power application needs. The S-817A variant specifically denotes the standard version with defined electrical characteristics suitable for general-purpose power management tasks.

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

Direct replacements within the same series include other S-817A models with identical pinouts and similar electrical profiles but different fixed output voltages, provided the system design accommodates the voltage difference. Verify package compatibility and thermal performance when substituting.