CS8321YT3G

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

The CS8321YT3G is a micropower linear regulator manufactured by onsemi, designed for fixed positive output applications. It provides a stable 5V output with a maximum current capacity of 150mA. The device features a low dropout voltage of 0.5V at full load and maintains a quiescent current of 200µA. It supports input voltages up to 45V and offers high power supply rejection ratio of 75dB at 120Hz. Protection mechanisms include reverse polarity and short-circuit safeguards. The component operates within a temperature range of -40°C to 125°C and is housed in a TO-220-3 through-hole package.

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

• Fixed positive linear regulation with micropower efficiency
• Integrated reverse polarity and short-circuit protection
• High power supply rejection for noise-sensitive circuits

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

• Power supply sections for microcontroller systems
• Biasing stages for analog signal processing circuits
• Voltage regulation for sensor interfaces requiring stable 5V rails

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

Verify the specific suffix 'T3' indicates tube packaging configuration distinct from tape-and-reel variants. Confirm RoHS compliance status and material composition declarations via official manufacturer documentation before integration. Ensure thermal management requirements align with the TO-220-3 package characteristics for the intended operating environment.

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

Choose this component when a fixed 5V output is required with moderate current demands up to 150mA. The TO-220-3 package suits applications needing robust thermal dissipation and through-hole mounting. Consider the 45V input limit and 0.5V dropout specification to ensure adequate headroom for the specific circuit design constraints.

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

This part belongs to the CS8321 series of micropower low dropout regulators from onsemi. It shares core electrical specifications with surface-mount equivalents like the CS8321YDPR3 but differs in physical packaging. The series is categorized under linear voltage regulators, targeting applications prioritizing low quiescent current and simple fixed-output regulation over adjustable configurations.

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

Direct pin-compatible alternatives within the same series include CS8321YT3 (non-RoHS) or surface-mount versions such as CS8321YDP3 and CS8321YDPR3. Verify that substitute parts maintain identical output voltage, current rating, and package thermal performance before substitution.