L5300EPT STMicroelectronics Integrated Circuit (Other) In Stock
STMicroelectronics L5300EPT is a positive fixed linear voltage regulator delivering up to 300mA output current with 5.6V to 31V input range and ultra-low 0.5V max dropout voltage. Housed in a compact PPAK 4-lead SMD package for space-saving designs. Available from stock with worldwide shipping.
- Manufacturer
- STMicroelectronics
- Package
- Other
- Pin Count
- 4
- Lifecycle
- OBSOLETE
- Datasheet
- L5300EPT Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of L5300EPT?
- 300mA output current capacity with a maximum dropout voltage of just 0.5V, enabling near-rail-to-rail regulation in low-voltage designs
- Wide input voltage range of 5.6V to 31V (absolute max 40V) accommodates diverse automotive and industrial power supply rails
- PPAK SMD package with low thermal resistance enables efficient heat dissipation on PCB copper areas without external heatsinks
What is L5300EPT used for?
The L5300EPT is used in automotive electronics, industrial control modules, and white goods where a compact, high-input-voltage linear regulator is needed to supply stable fixed voltages to microcontrollers, sensors, or communication ICs. Its low dropout of 0.5V and wide 31V input range make it suitable for 12V and 24V system rails with transient tolerance, and its PPAK package simplifies board assembly in dense automotive ECUs.
What are the specifications of L5300EPT?
| YTEOL | 0 |
| Adjustability | FIXED |
| Dropout Voltage1-Max | 0.5V |
| Dropout Voltage1-Nom | 0.6V |
| Input Voltage Absolute-Max | 40V |
| Input Voltage-Max | 31V |
| Input Voltage-Min | 5.6V |
| JESD-30 Code | R-PSSO-G4 |
| 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 | 0.3A |
| Output Voltage1-Max | 5.25V |
| Output Voltage1-Min | 4.75V |
| Output Voltage1-Nom | 5V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SMSIP5H,.37,50TB |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG |
| 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 |
| Technology | CMOS |
| Terminal Finish | MATTE TIN |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | SINGLE |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Voltage Tolerance-Max | 5% |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Where can I find the L5300EPT datasheet?
L5300EPT Datasheet DownloadOfficial datasheet from STMicroelectronics
What are equivalent replacements for L5300EPT?
Compatible alternatives and drop-in replacements for L5300EPT:
Frequently Asked Questions
What is the maximum output current of the L5300EPT and how does its dropout voltage affect regulator headroom?
The L5300EPT provides a maximum output current of 300mA with a maximum dropout voltage of 0.5V (nominal 0.6V). This low dropout means the regulator can maintain a stable output even when the input supply is only 0.5V above the target output voltage, making it suitable for tight-headroom power rails in 3.3V or 5V regulated systems fed from a 6V or higher bus.
Can the L5300EPT handle the transient voltage spikes common in 12V automotive environments?
The L5300EPT has an absolute maximum input voltage rating of 40V, which provides margin for load dump transients and inductive spikes typical of 12V automotive electrical systems. Combined with its 31V nominal operating input maximum, it is well-suited for automotive ECUs and body control modules that must survive ISO 7637 pulse profiles without additional clamping components.
How does the PPAK package of the L5300EPT simplify thermal management compared to a TO-92 regulator?
The PPAK SMD package of the L5300EPT features an exposed thermal pad that transfers heat directly to PCB copper planes, achieving lower junction-to-ambient thermal resistance than a through-hole TO-92 package in free air. At 300mA output current, this allows the regulator to operate within its junction temperature limit of 150 degrees C using only PCB copper spreading, eliminating the need for bulky clip-on heatsinks.
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Why Buy from FindMyChip
About STMicroelectronics
STMicroelectronics is a global semiconductor leader serving customers across the spectrum of electronics applications. ST's products are found in a wide range of applications including automotive, industrial, personal electronics, and communications.
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