LM2990S-5.0/NOPBIn StockTexas Instruments
LM2990S-5.0/NOPB is a 1A negative LDO linear regulator with 5.0V fixed output. It features 0.6V typical dropout voltage, 26V max input, and comes in TO-263 package. From $1.05, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- TO-XXX (Inc. DPAK)
- Pin Count
- 4
- Lifecycle
- ACTIVE
- Datasheet
- LM2990S-5.0/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.0491(MOQ 1)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 1A continuous output current with fixed -5.0V negative output voltage
- Low dropout voltage of 0.6V typical, 1V maximum for efficient regulation
- Wide input voltage range from 6V to 26V absolute maximum
- TO-263 (D2PAK) surface-mount package for improved thermal performance
- Lead-free (Pb-free) construction, RoHS compatible
Applications
The LM2990S-5.0/NOPB negative LDO regulator is ideal for split-supply analog circuits requiring a stable -5V rail, such as op-amp and audio amplifier systems. It is well-suited for telecommunications equipment, industrial instrumentation, and motor drive circuits that need a regulated negative supply. The device also finds use in automotive and portable equipment where a negative voltage derived from a battery or unregulated supply is required.
Specifications
| Pbfree Code | Yes |
| Reach Compliance Code | Not Compliant |
| YTEOL | 15 |
| Adjustability | FIXED |
| Dropout Voltage1-Max | 1V |
| Dropout Voltage1-Nom | 0.6V |
| Input Voltage Absolute-Max | 26V |
| Input Voltage-Max | 26V |
| Input Voltage-Min | 6V |
| JESD-30 Code | R-PSSO-G3 |
| JESD-609 Code | e3 |
| Line Regulation-Max | 0.04% |
| Load Regulation-Max | 0.04% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 125°C |
| Operating Temperature TJ-Min | -40 °C |
| Output Current1-Max | 1A |
| Output Voltage1-Max | 5.25V |
| Output Voltage1-Min | 4.75V |
| Output Voltage1-Nom | 5V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SMSIP3H,.55TB |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TUBE |
| Peak Reflow Temperature (Cel) | 245 |
| Qualification Status | Not Qualified |
| Regulator Type | FIXED NEGATIVE SINGLE OUTPUT LDO REGULATOR |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 2.54mm |
| Terminal Position | SINGLE |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Voltage Tolerance-Max | 5% |
| Package | TO-XXX (Inc. DPAK) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LM2990S-5.0/NOPB:
Regulator, 5V, 1V Dropout, BIPolar, PSSO3
Frequently Asked Questions
What is the output voltage and current rating of the LM2990S-5.0/NOPB?
The LM2990S-5.0/NOPB provides a fixed -5.0V negative output voltage with up to 1A continuous output current, making it suitable for powering analog circuits requiring a regulated negative supply.
What is the dropout voltage of the LM2990S-5.0/NOPB?
The LM2990S-5.0/NOPB features a typical dropout voltage of 0.6V and a maximum of 1V, allowing efficient regulation even when the input-to-output voltage differential is small, which helps reduce power dissipation.
What package does the LM2990S-5.0/NOPB come in?
The LM2990S-5.0/NOPB is available in a TO-263 (D2PAK/DPAK) surface-mount package, which provides excellent thermal characteristics and is well-suited for high-current applications on PCBs.
What are typical applications for the LM2990S-5.0/NOPB?
Typical applications include split-supply op-amp circuits, audio amplifiers, industrial instrumentation, telecommunications equipment, and any system requiring a stable -5V negative regulated voltage rail derived from an unregulated input between 6V and 26V.
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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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