LM1085IS-5.0/NOPBIn StockTexas Instruments
LM1085IS-5.0/NOPB is a 3A fixed 5V output low-dropout linear voltage regulator from Texas Instruments. Features 1.3V typical dropout voltage, 6.5V–29V input range, and TO-263 package. From $1.82, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- TO-XXX (Inc. DPAK)
- Pin Count
- 4
- Lifecycle
- ACTIVE
- Datasheet
- LM1085IS-5.0/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.8200(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 3A continuous output current with 1.3V typical dropout voltage for high-efficiency regulation
- Fixed 5.0V output voltage with tight ±1.5% accuracy for reliable system power delivery
- Wide input voltage range of 6.5V to 29V (29V absolute maximum) for versatile applications
- TO-263 (D2PAK) surface-mount package with excellent thermal dissipation
- RoHS compliant (Pb-free) with JESD-609 e3 rating for eco-friendly designs
Applications
The LM1085IS-5.0/NOPB is ideal for post-regulator applications in telecom and networking equipment, providing a stable 5V rail from higher-voltage bus supplies. It is widely used in industrial control systems, embedded microcontroller boards, and FPGA power supplies where a robust 3A LDO with low dropout is required. Its surface-mount TO-263 package makes it suitable for compact PCB designs demanding efficient thermal management.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Adjustability | FIXED |
| Dropout Voltage1-Max | 1.5V |
| Dropout Voltage1-Nom | 1.3V |
| Input Voltage Absolute-Max | 25V |
| Input Voltage-Max | 29V |
| Input Voltage-Min | 6.5V |
| JESD-30 Code | R-PSSO-G3 |
| JESD-609 Code | e3 |
| Line Regulation-Max | 0.01% |
| Load Regulation-Max | 0.035% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 125°C |
| Operating Temperature TJ-Min | -40 °C |
| Output Current1-Max | 3A |
| Output Voltage1-Max | 5.1V |
| Output Voltage1-Min | 4.9V |
| 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 POSITIVE 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 | 2% |
| ## LM1085IS-5.0/NOPB Alternates Showing results | Image |
| 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 LM1085IS-5.0/NOPB:
Regulator, 5V, 1.5V Dropout, BIPolar, PSSO3
suggested
suggested
Frequently Asked Questions
What is the output voltage and maximum output current of the LM1085IS-5.0/NOPB?
The LM1085IS-5.0/NOPB provides a fixed 5.0V output voltage with a maximum continuous output current of 3A. The output voltage accuracy is ±1.5%, making it suitable for applications requiring a stable 5V power rail.
What is the dropout voltage of the LM1085IS-5.0/NOPB, and what does it mean for my design?
The LM1085IS-5.0/NOPB has a typical dropout voltage of 1.3V and a maximum of 1.5V at full load. This means your input voltage must be at least 6.3–6.5V to maintain the regulated 5.0V output, allowing efficient operation even when the input supply is only slightly above the output.
What package does the LM1085IS-5.0/NOPB come in, and is it RoHS compliant?
The LM1085IS-5.0/NOPB is available in a TO-263 (D2PAK) 3-pin surface-mount package, which offers excellent thermal performance for high-current applications. It is fully RoHS compliant and Pb-free, with a JESD-609 e3 rating.
What are common applications for the LM1085IS-5.0/NOPB?
This regulator is commonly used in industrial control systems, embedded processor boards, FPGA power supplies, telecom equipment, and consumer electronics wherever a reliable 5V/3A regulated supply is needed with low dropout from a higher voltage bus.
What is the input voltage range for the LM1085IS-5.0/NOPB?
The LM1085IS-5.0/NOPB operates with an input voltage range of 6.5V minimum to 29V maximum, with an absolute maximum rating of 29V. This wide range makes it compatible with a variety of power supply architectures.
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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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