TPS7B8633BQDDARQ1

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

The TPS7B8633BQDDARQ1 is an automotive-grade low-dropout linear regulator from the TPS7B86-Q1 family, designed for battery-connected applications. It supports a 3V to 40V input range with a maximum output current of 500mA. The device features adjustable output voltage ranging from 1.2V to 18V and includes a power-good signal with programmable delay. It operates within a junction temperature range of -40°C to +150°C and utilizes an 8-pin HSOIC package.

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

• AEC-Q100 qualified for automotive environments with extended thermal ratings
• High-voltage tolerance up to 40V with load dump protection capability
• Ultra-low quiescent current consumption for always-on standby systems
• Integrated power-good indicator with configurable propagation delay

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

• Reconfigurable instrument clusters
• Body control modules (BCM)
• Automotive gateways
• Remote keyless entries (RKE)

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

Verify the specific suffix 'B' against the official datasheet to confirm pinout configuration, particularly regarding the presence or absence of the Power-Good (PG) pin and the DELAY pin functionality. Ensure the ordering part number matches the required package variant and functional options documented by Texas Instruments.

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

Select this component for designs requiring high transient response during cold-crank conditions and minimal output overshoot during dropout recovery. The adjustable output architecture allows flexibility in setting precise voltage levels using external resistors, while the integrated enable pin facilitates system power sequencing.

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

This device belongs to the TPS7B86-Q1 series of high-voltage LDOs. It is engineered specifically for automotive systems that demand robust performance under varying line transients. The family offers multiple package options including thermally enhanced HSOIC-8 and TO-252 variants to accommodate different thermal management requirements.

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

Consult the official datasheet for confirmed substitute part numbers within the same product family or cross-reference compatible devices. Verify that any replacement maintains the 40V input rating, 500mA current capacity, and AEC-Q100 qualification status.