TPS73701DCQG4

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

The TPS73701DCQG4 is a single-output adjustable low-dropout (LDO) linear voltage regulator manufactured by Texas Instruments. It operates within an input voltage range of 2.2 V to 5.5 V and delivers a maximum output current of 1 A. The device provides an adjustable output voltage ranging from 1.2 V to 5.5 V, utilizing a reference voltage of 1.2 V. Key electrical specifications include a typical power supply rejection ratio (PSRR) of 58 dB, a line regulation of 0.01 %/V, and a load regulation of 0.002 %/mA. The quiescent current is specified at 400 µA, with a maximum dropout voltage of 500 mV at full load. It is housed in a SOT-223-6 surface-mount package and supports an operating temperature range from -40 °C to +125 °C.

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

• Capacitor-free stability design eliminates the need for external output capacitors for stable operation.
• Integrated enable pin allows for precise control of power states and system sequencing.
• Comprehensive protection mechanisms include overcurrent limiting, thermal shutdown, and reverse polarity protection.

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

• Battery-powered portable electronic devices requiring efficient power management
• Embedded systems and microcontroller power supplies
• Wireless communication modules and sensor interfaces

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

Verify the specific suffix 'G4' against the manufacturer's latest documentation to confirm compliance with RoHS directives and material composition requirements. Ensure that the procurement source provides valid traceability data and authenticity guarantees, as counterfeit components may lack the specified protection features or electrical performance characteristics.

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

Select this component when a robust, high-current LDO solution is required for applications demanding capacitor-free stability and integrated protection features. The adjustable output range offers flexibility for various logic levels, while the wide input voltage range accommodates single-cell battery configurations. Consider the SOT-223-6 package constraints regarding thermal dissipation capabilities under heavy load conditions.

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

This part belongs to the TPS737xx family of 1-A low-dropout regulators designed for high efficiency and reliability. The family emphasizes simplified design through capacitor-free operation and includes variants with different packages and fixed/adjustable output options. The TPS73701 specifically denotes the adjustable output version within this series.

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

Compatible substitutes within the same family include TPS73701DRBRG4 and TPS73701DRBT, which offer identical electrical specifications but differ in package type (SON-8 vs. SOT-223-6). Verify pin compatibility and thermal performance before substitution.

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

Does the TPS73701DCQG4 require an external output capacitor?

No, the device is designed for capacitor-free stability, eliminating the need for external output capacitors to maintain regulation.

What protection features are included in the TPS73701DCQG4?

The regulator includes overcurrent limiting, thermal shutdown, and reverse polarity protection to safeguard the device and connected loads.