S-817B29AY-Z2-U

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

The S-817B29AY-Z2-U is a fixed positive low dropout voltage regulator manufactured by ABLIC Inc. It provides a nominal output voltage of 2.9 V with an output current capability of 50 mA and features ultra-low current consumption, typically 1.2 µA. The device operates within an input voltage range up to 10 V and maintains stable operation with ceramic capacitors as small as 0.1 µF. It offers high output voltage accuracy of ±2.0% and includes short-circuit protection. The component is available in a TO-92-3 through-hole package and supports an operating temperature range from -40 °C to +85 °C.

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

• Ultra-low current consumption for extended battery life
• Stable operation with small ceramic output capacitors
• High output voltage accuracy for precise regulation
• Built-in short-circuit protection circuit

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

• Power source for battery-powered portable devices
• Power supply for personal communication equipment
• Voltage regulation for home electric and electronic appliances

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

Verify the specific suffix Z2 against official datasheets to confirm pinout and package variations. Ensure compatibility with required input voltage ranges and thermal dissipation limits for the target application. Confirm RoHS compliance status and ordering quantities directly with authorized distributors or the manufacturer.

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

Select this regulator when a fixed 2.9 V output is required with minimal quiescent current. It is suitable for applications where space is limited but through-hole mounting is preferred. Consider the 50 mA output limit and dropout voltage characteristics relative to the minimum input voltage expected in the design.

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

This component belongs to the S-817 series of CMOS voltage regulators developed by ABLIC. The series is characterized by its super-small package options and low power consumption, making it ideal for portable electronics. The S-817B variant specifically denotes fixed output voltages selectable in 0.1 V steps across a wide range.

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

Direct substitutes include other S-817 series parts with identical 2.9 V output and TO-92-3 packaging, such as S-817B29AY-B2-U. Verify that alternative components match the 50 mA output current and 1.2 µA typical current consumption specifications.