TPS79433DCQ Texas Instruments power-management (SOT-23-5) In Stock
TPS79433DCQ is a 150mA LDO regulator with 3.3V fixed output and 60µA quiescent current in SOT-23-5 package. Priced from $0.74, in-stock, 1pc MOQ, ships worldwide.
- Manufacturer
- Texas Instruments
- Package
- SOT-23-5
- Pin Count
- 5
- Lifecycle
- ACTIVE
- Datasheet
- TPS79433DCQ Datasheet PDF
- Category
- power-management
- Price
- From $0.7425(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Applications
Ideal for post-regulation in portable devices, wearables, and automotive ECUs. Commonly used to power microcontrollers, sensors, and RF modules requiring a stable 3.3V rail with minimal standby current.
Specifications
| outputVoltage | 3.3V |
| outputCurrent | 150mA |
| inputVoltageMax | 5.5V |
| inputVoltageMin | 1.5V |
| quiescentCurrent | 60uA |
| dropoutVoltage | 300mV |
| operatingTemperature | -40 to +125C |
| Package | SOT-23-5 |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for TPS79433DCQ:
Frequently Asked Questions
What is the output voltage and current rating of the TPS79433DCQ?
The TPS79433DCQ provides a fixed 3.3V output with a maximum output current of 150mA. The output voltage accuracy is plus or minus 1% over the full operating temperature range of -40C to +125C.
What package does the TPS79433DCQ come in and how many pins does it have?
The TPS79433DCQ comes in a SOT-23-5 (5-pin small-outline transistor) package. This compact package is suitable for space-constrained PCB designs and supports automated assembly.
What are typical applications for the TPS79433DCQ?
The TPS79433DCQ is widely used as a post-regulator in portable electronics, IoT sensors, automotive ECUs, and RF front-end modules. Its low quiescent current of 60uA makes it ideal for battery-powered designs requiring a 3.3V power rail.
Is the TPS79433DCQ AEC-Q100 qualified for automotive use?
Yes, the TPS79433DCQ is AEC-Q100 qualified for automotive applications and supports the full automotive temperature range of -40C to +125C, making it suitable for under-hood and body electronics.
What is a suitable replacement or alternative for the TPS79433DCQ?
Compatible alternatives include the TPS73633DBVR (same 3.3V/150mA LDO in SOT-23-5) and the LP2985-33DBVR from Texas Instruments. Verify pinout and enable logic polarity before substitution.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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