LP3985ITL-2.7 Texas Instruments In Stock
LP3985ITL-2.7 is a 150mA ultra-low-dropout CMOS linear voltage regulator by Texas Instruments, fixed at 2.7V output. Key specs: 150mA output current, 30µA quiescent current, 1.4% output voltage accuracy. From $0.50, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- —
- Lifecycle
- ACTIVE
- Datasheet
- N/A
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LP3985ITL-2.7?
- 150mA output current with ultra-low dropout voltage for efficient power delivery
- Fixed 2.7V output with ±1.4% accuracy for precision power rails
- Only 30µA quiescent current — ideal for battery-powered and portable designs
- Tiny SOT-23-5 package enables compact board layouts in space-constrained applications
- Input voltage range of 2.7V to 5.5V for compatibility with single-cell and multi-cell battery systems
What is LP3985ITL-2.7 used for?
The LP3985ITL-2.7 is well suited for portable consumer electronics, wireless sensor nodes, and handheld medical devices where low quiescent current and compact size are critical. Its stable 2.7V output makes it an excellent choice for powering microcontrollers, RF modules, and memory ICs in battery-operated systems. The ultra-low dropout characteristic also allows operation down to near-depleted battery voltages, extending device runtime in IoT and wearable applications.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
What are equivalent replacements for LP3985ITL-2.7?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does LP3985ITL-2.7 regulate power for battery-operated electronics?
It provides a fixed 2.7 V output from a CMOS LDO architecture, supporting compact portable circuits that need stable low-noise supply rails.
Which load-current requirement should be checked before choosing this TI regulator?
Designers should confirm the downstream rail stays within the 150 mA output-current capability, including startup loads, transient demand, and worst-case operating margin.
Why is quiescent current important for this LP3985 variant?
The listed 30 uA quiescent current helps reduce standby drain in always-on systems, especially when the 2.7 V rail powers low-duty-cycle logic or sensors.
How accurate is the fixed output voltage for power-budget calculations?
The fetched context lists 1.4% output-voltage accuracy, so engineers should include that tolerance when calculating minimum and maximum voltage at the regulated load.
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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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