TPS7133QDR

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

The TPS7133QDR is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments, belonging to the TPS71 series. It features an adjustable output voltage range from 1.2 V to 9.75 V with a fixed internal reference voltage of 1.178 V. The device supports a maximum output current of 500 mA and operates within an input voltage range of 2.5 V to 10 V. Key electrical parameters include a typical dropout voltage of 235 mV, line regulation of 18 mV, and load regulation of 22 mV. Quiescent current is specified at 280 uA to 285 uA. It is housed in an SOIC-8 surface-mount package and is rated for operation between -40°C and +125°C.

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

• Provides stable regulated power through an adjustable output architecture utilizing a PMOS pass element.
• Maintains consistent output voltage under varying load conditions with defined line and load regulation characteristics.
• Operates efficiently across a wide temperature range suitable for industrial environments.

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

• Battery-powered portable electronic devices requiring efficient linear regulation.
• Industrial control systems operating within extended temperature ranges.
• Embedded systems needing a stable voltage source for microcontrollers or sensors.

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

Verify the specific suffix 'QDR' against the manufacturer's official datasheet to confirm it denotes the automotive-grade qualification and SOIC-8 tape-and-reel packaging configuration. Ensure that the required output voltage setting components are compatible with the 1.178 V reference voltage specification. Confirm RoHS compliance status directly from the latest product documentation before finalizing procurement orders.

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

Select this component when an adjustable output voltage up to 9.75 V is required with a 500 mA current capacity. It is suitable for applications where input voltages range between 2.5 V and 10 V. Consider its 285 uA quiescent current for battery life optimization. Verify that the thermal dissipation requirements fit within the SOIC-8 package limits given the 725 mW power dissipation rating.

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

This part belongs to the TPS71 family of low-dropout regulators from Texas Instruments. These regulators are designed for general-purpose power management tasks. The TPS7133 variant specifically offers adjustable output capabilities, distinguishing it from fixed-output counterparts within the same series. It utilizes a PMOS pass transistor technology to achieve low dropout performance.

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

What is the internal reference voltage of the TPS7133QDR?

The internal reference voltage is 1.178 V.

What is the maximum output current capability?

The device can supply up to 500 mA of output current.