LM1085IS-5.0In StockTexas Instruments
LM1085IS-5.0 is a 3A low dropout positive voltage regulator with fixed 5.0V output, featuring 1.3V typical dropout voltage and up to 20V input. Ideal for post-regulator applications. From $1.19 in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 4
- Lifecycle
- OBSOLETE
- Datasheet
- LM1085IS-5.0 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.1900(MOQ 1)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 3A Output Current with Low 1.3V Typical Dropout Voltage
- Fixed 5.0V Output for Simplified Design
- Wide Input Voltage Range: 6.5V to 20V (Abs Max 25V)
- Current and Thermal Limiting for Robust Protection
- Available in TO-263 (D2PAK) Surface-Mount Package
Applications
The LM1085IS-5.0 is well suited for post-regulation of switching power supplies and battery-powered systems requiring a stable 5.0V rail. Its low dropout characteristic makes it ideal for applications where input and output voltages are close, such as USB power conditioning and embedded system power management. It is also commonly used in telecommunications equipment and industrial control boards demanding reliable linear regulation.
Specifications
| Pbfree Code | No |
| YTEOL | 0 |
| Adjustability | FIXED |
| Dropout Voltage1-Max | 1.5V |
| Dropout Voltage1-Nom | 1.3V |
| Input Voltage Absolute-Max | 25V |
| Input Voltage-Max | 20V |
| Input Voltage-Min | 6.5V |
| JESD-30 Code | R-PSSO-G3 |
| JESD-609 Code | e0 |
| 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 | RAIL |
| Peak Reflow Temperature (Cel) | 235 |
| Qualification Status | Not Qualified |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Terminal Finish | TIN LEAD |
| Terminal Form | GULL WING |
| Terminal Pitch | 2.54mm |
| Terminal Position | SINGLE |
| Time@Peak Reflow Temperature-Max (s) | 20 |
| Voltage Tolerance-Max | 2% |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LM1085IS-5.0:
Regulator, 5V, 1.5V Dropout, BIPolar, PSSO3
Regulator, 5V, 1.5V Dropout, BIPolar, PSSO3
Frequently Asked Questions
What is the output voltage and maximum output current of the LM1085IS-5.0?
The LM1085IS-5.0 provides a fixed 5.0V output voltage and can supply up to 3A of continuous output current, making it suitable for moderate-power embedded and industrial applications.
What is the dropout voltage of the LM1085IS-5.0?
The LM1085IS-5.0 has a typical dropout voltage of 1.3V and a maximum of 1.5V at full load, which means the input voltage must be at least 6.5V to maintain regulation at 5.0V output.
What package does the LM1085IS-5.0 come in?
The LM1085IS-5.0 is available in the TO-263 (D2PAK) surface-mount package (JESD-30 code R-PSSO-G3), offering good thermal performance and compatibility with standard SMT assembly processes.
Can the LM1085IS-5.0 be used in battery-powered designs?
Yes. Due to its low dropout voltage of only 1.3V typical, the LM1085IS-5.0 is an excellent choice for battery-powered systems where minimizing power loss is critical, especially when the supply voltage is close to the regulated 5.0V output.
Related Guides
Ultra Low Power Microcontroller Comparison 2026: STM32L4 vs MSP430 vs MSP432 vs CC2640
Engineer-grade 2026 comparison of ultra-low-power MCUs — STM32L476, MSP430A139, MSP432P401R, CC2640F128 across standby current, active current, and battery life.
May 5, 2026
BOM Cost Reduction: 7 Strategies for Electronics Manufacturers in 2026
Practical 2026 BOM optimization playbook — 7 proven strategies, ranked by payback time and risk. With realistic per-unit savings and verification steps.
May 5, 2026
STM32F072C8T6 Pin-Compatible Alternatives 2026: Cheaper Drop-In Options Compared
Engineer-grade compatibility analysis for STM32F072C8T6 alternatives in 2026 — pin compatibility, firmware portability, cost and lead time for each option.
May 5, 2026
Top Microcontrollers for IoT 2026: ESP32 vs Arduino vs STM32 vs RPi Pico
The five IoT MCU platforms compared on 2026 pricing, lead time, and use case — ESP32-S3, Arduino, STM32F0, RP2040, TI CC2640/CC1352P.
May 5, 2026
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.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $2.0000 | $2.00 |
| 4+ | $1.8400 | $7.36 |
| 36+ | $1.2750 | $45.90 |
| 119+ | $1.1900 | $141.61 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“The anti-counterfeit verification gave us confidence we'd never had with other China suppliers.”