LP2981-50DBVRIn StockTexas Instruments
LP2981-50DBVR is a 50mA fixed 5.0V LDO linear voltage regulator by Texas Instruments. Key specs: 5.0V output, 50mA max current, SOT-23-5 package, low quiescent current. From $0.22, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- —
- Lifecycle
- ACTIVE
- Datasheet
- N/A
- Price
- From $0.2172(MOQ 250)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Fixed 5.0V output voltage with high accuracy
- 50mA output current capability in compact SOT-23-5 package
- Ultra-low quiescent current for battery-powered designs
- Low dropout voltage for efficient power conversion
- Stable operation with small ceramic output capacitors
Applications
The LP2981-50DBVR is ideal for portable and battery-powered devices requiring a stable 5.0V rail, such as smartphones, wearables, and IoT sensors. Its compact SOT-23-5 footprint makes it well-suited for space-constrained PCB designs in consumer electronics and industrial handheld instruments. It is also widely used in post-regulation applications where a clean, low-noise 5V supply is needed for ADCs, microcontrollers, and wireless modules.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the output voltage of the LP2981-50DBVR?
The LP2981-50DBVR provides a fixed 5.0V output voltage. It is factory-trimmed for high accuracy, making it suitable for applications requiring a stable 5V reference supply such as microcontrollers and sensors.
What is the maximum output current of the LP2981-50DBVR?
The LP2981-50DBVR can supply up to 50mA of output current. This is sufficient for powering low-power microcontrollers, wireless modules, and analog ICs in portable and battery-operated designs.
What package does the LP2981-50DBVR use?
The LP2981-50DBVR is housed in a SOT-23-5 (DBV) 5-pin small-outline surface-mount package, measuring approximately 1.6mm x 2.9mm. This compact footprint is ideal for space-constrained PCB layouts in consumer and industrial electronics.
What input voltage range is supported by the LP2981-50DBVR?
The LP2981-50DBVR supports an input voltage range from approximately 5.5V up to 30V, providing wide compatibility with various power sources including unregulated adapters and battery packs commonly used in embedded systems.
Can the LP2981-50DBVR be used in battery-powered applications?
Yes, the LP2981-50DBVR is well-suited for battery-powered applications due to its ultra-low quiescent current and low dropout characteristics. It extends battery life in portable devices such as IoT nodes, wearables, and handheld instruments requiring a regulated 5.0V supply.
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Why Buy from FindMyChip
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.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 250+ | $0.2520 | $63.00 |
| 500+ | $0.2400 | $120.00 |
| 3000+ | $0.2210 | $663.00 |
| 21000+ | $0.2191 | $4601.73 |
| 30000+ | $0.2172 | $6516.00 |
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