L5150GJ STMicroelectronics Integrated Circuit (Small Outline Packages) In Stock
STMicroelectronics L5150GJ is an automotive-grade fixed 5 V low-dropout linear voltage regulator with up to 31 V input, 0.5 V max dropout, and tight 0.04% line regulation, available in a 12-pin SOIC package for vehicle electronics.
- Manufacturer
- STMicroelectronics
- Package
- Small Outline Packages
- Pin Count
- 12
- Lifecycle
- NOT RECOMMENDED
- Datasheet
- L5150GJ Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Fixed 5 V output with a maximum dropout voltage of only 0.5 V, maintaining regulation even under low-battery automotive conditions
- Wide input voltage range from 5.6 V to 31 V with 40 V absolute maximum, tolerating load-dump transients in 12 V automotive systems
- Tight line regulation of 0.04% and load regulation of 0.055% ensuring stable supply rails for sensor and ECU circuits
- AEC-Q100 automotive-qualified 12-pin SOIC package supporting high-temperature underhood environments
Applications
The L5150GJ is designed for automotive body-electronics modules, instrument clusters, and ECU power stages where a stable 5 V rail must survive 12 V or 24 V battery transients up to 31 V. Its low 0.5 V dropout and precise regulation suit always-on standby circuits and in-vehicle sensor supply rails that require minimal self-heating. The 12-pin SOIC package allows straightforward PCB integration in space-constrained automotive control boards with standard reflow soldering.
Specifications
| YTEOL | 3 |
| Adjustability | FIXED |
| Dropout Voltage1-Max | 0.5V |
| Input Voltage Absolute-Max | 40V |
| Input Voltage-Max | 31V |
| Input Voltage-Min | 5.6V |
| JESD-30 Code | R-PDSO-G12 |
| JESD-609 Code | e3 |
| Line Regulation-Max | 0.04% |
| Load Regulation-Max | 0.055% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 150°C |
| Operating Temperature TJ-Min | -40 °C |
| Output Current1-Max | 0.15A |
| Output Voltage1-Max | 5.25V |
| Output Voltage1-Min | 4.75V |
| Output Voltage1-Nom | 5V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SSOP12,.25,32 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, LOW PROFILE, SHRINK PITCH |
| Packing Method | TUBE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Screening Level | AEC-Q100 |
| Surface Mount | YES |
| Terminal Finish | Matte Tin (Sn) - annealed |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.8mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Voltage Tolerance-Max | 5% |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Morocco |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the maximum input voltage the L5150GJ can handle for protection against automotive load-dump transients?
The L5150GJ accepts input voltages up to 31 V continuously and tolerates an absolute maximum of 40 V transiently, protecting the 5 V output rail from common automotive load-dump events that can spike well above the nominal 12 V battery voltage.
How does the 0.5 V dropout voltage of the L5150GJ benefit designs powered by a partly-discharged automotive battery?
With a maximum dropout of only 0.5 V, the L5150GJ maintains its regulated 5 V output as long as the input stays above 5.5 V, allowing the circuit to remain operational even when a 12 V automotive battery discharges to near minimum cranking voltage during cold-start conditions.
Which automotive subsystems benefit most from the L5150GJ's tight 0.04% line regulation?
Engine management sensors, instrument cluster displays, and CAN transceiver supply rails all benefit from the 0.04% line regulation because it keeps the 5 V reference stable across varying alternator voltages from roughly 11 V to 15 V, reducing offset errors in 10-bit or 12-bit ADC measurements.
How does the 12-pin SOIC package of the L5150GJ compare to a TO-220 regulator for integration into a densely populated automotive PCB?
The SOIC-12 footprint of the L5150GJ occupies significantly less board area than a through-hole TO-220 package and is compatible with automated SMT reflow processes, making it better suited for high-density multi-layer automotive PCBs where vertical clearance and manual assembly costs must be minimized.
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