LP2985-50DBVR Texas Instruments Power Supply (SOT23 (5-Pin)) In Stock
LP2985-50DBVR is a 150mA low-noise, low-dropout linear voltage regulator with shutdown control and fixed 5.0V output. Features 280mV typical dropout voltage, 16V maximum input, and ultra-low noise for sensitive analog circuits. From $0.17 in stock, worldwide shipping available.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- ACTIVE
- Datasheet
- LP2985-50DBVR Datasheet PDF
- Category
- Power Supply
- Price
- From $0.1658(MOQ 1)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 150mA output current with only 280mV typical dropout voltage (575mV max) for high-efficiency operation
- Ultra-low output noise ideal for noise-sensitive analog, RF, and precision measurement applications
- Fixed 5.0V output with shutdown pin for power management and system enable/disable control
- Wide input voltage range up to 16V supports diverse supply rail designs
- Compact SOT-23 5-pin package minimizes board space in portable and space-constrained designs
Applications
The LP2985-50DBVR is well suited for powering noise-sensitive analog and mixed-signal circuits such as ADCs, DACs, op-amps, and RF front-ends where clean supply voltage is critical. Its low dropout and shutdown capability make it ideal for battery-powered portable devices, wearables, and IoT nodes requiring efficient power management. It is also commonly used in industrial instrumentation and automotive auxiliary circuits that demand a stable, regulated 5V rail from higher-voltage sources.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Adjustability | FIXED |
| Dropout Voltage1-Max | 0.575V |
| Dropout Voltage1-Nom | 0.28V |
| Input Voltage Absolute-Max | 16V |
| Input Voltage-Max | 16V |
| Input Voltage-Min | 5.775V |
| JESD-30 Code | R-PDSO-G5 |
| JESD-609 Code | e4 |
| Line Regulation-Max | 0.016% |
| Load Regulation-Max | 0.2% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 125°C |
| Operating Temperature TJ-Min | -40 °C |
| Output Current1-Max | 0.15A |
| Output Voltage1-Max | 5.2V |
| Output Voltage1-Min | 4.8V |
| Output Voltage1-Nom | 5V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP5/6,.11,37 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Packing Method | TR, 7 INCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Surface Mount | YES |
| Technology | CMOS |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.95mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Voltage Tolerance-Max | 4% |
| ## LP2985-50DBVR Alternates Showing results | Image |
| Package | SOT23 (5-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Mainland China, Philippines |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LP2985-50DBVR:
suggested
suggested
suggested
suggested
suggested
Fixed Positive LDO Regulator, 5V, 0.575V Dropout, BIPolar, PDSO5
Frequently Asked Questions
What is the output voltage and dropout voltage of the LP2985-50DBVR?
The LP2985-50DBVR provides a fixed 5.0V regulated output. Its typical dropout voltage is 280mV and the maximum dropout voltage is 575mV at full 150mA load current, enabling efficient operation even when the input supply is only slightly above 5.0V.
What input voltage range does the LP2985-50DBVR support?
The LP2985-50DBVR accepts an input voltage from a minimum of 5.775V up to a maximum of 16V absolute maximum. This wide range makes it compatible with a variety of supply rails including 6V, 9V, and 12V systems commonly found in industrial and automotive designs.
What applications is the LP2985-50DBVR best suited for?
The LP2985-50DBVR is ideal for noise-sensitive analog and mixed-signal applications such as powering ADCs, DACs, and RF circuits. Its ultra-low output noise, low dropout, and shutdown function also make it a popular choice for battery-operated portable devices, IoT nodes, and precision instrumentation requiring a clean, stable 5V supply.
What package does the LP2985-50DBVR come in and how does it help with board space?
The LP2985-50DBVR is available in a SOT-23 5-pin (DBV) package. This compact surface-mount package occupies very little PCB area, making it well suited for space-constrained designs such as wearables, handheld devices, and densely populated circuit boards.
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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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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.3308 | $0.33 |
| 10+ | $0.2353 | $2.35 |
| 251+ | $0.2040 | $51.20 |
| 501+ | $0.1785 | $89.43 |
| 1001+ | $0.1658 | $165.97 |
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