LP38500TS-ADJ Texas Instruments Integrated Circuit (Other) In Stock
The LP38500TS-ADJ is a 1.5 A adjustable low-dropout linear regulator from Texas Instruments accepting inputs from 2.7 V to 5.5 V. It features a typical dropout voltage of 220 mV, 0.05%/V line regulation, and -40°C to 125°C operating temperature range. The FlexCap design in a 5-pin SOT-223 package suits portable and industrial power supply rails.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 4
- Lifecycle
- OBSOLETE
- Datasheet
- LP38500TS-ADJ Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 1.5 A output current capability for powering DSPs, MCUs, and peripheral subsystems
- Low dropout voltage of 220 mV typical (375 mV max) enabling high efficiency near supply rail
- Adjustable output voltage supporting flexible rail generation from a single regulator
- Wide input range of 2.7 V to 5.5 V compatible with USB, Li-ion, and regulated 5 V sources
- Operating temperature range of -40°C to 125°C for industrial and automotive-adjacent designs
- FlexCap technology allowing output capacitor flexibility without stability concerns
Applications
The LP38500TS-ADJ is commonly used to generate adjustable low-noise supply rails for DSPs, FPGAs, and analog front-ends in industrial instrumentation and communications equipment. Its 1.5 A current capacity and wide input range make it well-suited for post-regulation in USB-powered devices, embedded computing modules, and battery-operated systems requiring a stable, low-ripple output.
Specifications
| YTEOL | 0 |
| Adjustability | ADJUSTABLE |
| Dropout Voltage1-Max | 0.375V |
| Dropout Voltage1-Nom | 0.22V |
| JESD-30 Code | R-PSSO-G5 |
| Line Regulation-Max (%/V) | 0.05 |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 125°C |
| Operating Temperature TJ-Min | -40 °C |
| Output Current1-Max | 1.5A |
| Output Voltage1-Max | 5V |
| Output Voltage1-Min | 0.6V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SMSIP5H,.6,67TB |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | RAIL |
| Regulator Type | ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Surface Mount | YES |
| Technology | CMOS |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.7mm |
| Terminal Position | SINGLE |
| ## LP38500TS-ADJ Alternates Showing results | Image |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LP38500TS-ADJ:
Regulator, 0.6V Min, 5.1V Max, 0.375V Dropout, CMOS, PSSO5
suggested
suggested
suggested
suggested
Frequently Asked Questions
How does the LP38500TS-ADJ dropout voltage compare to competing LDOs when powering a 3.3 V rail from a 3.6 V Li-ion cell?
With a typical dropout voltage of 220 mV and a maximum of 375 mV, the LP38500TS-ADJ can maintain a regulated 3.3 V output when the Li-ion cell discharges to as low as approximately 3.52 V. This outperforms many general-purpose LDOs with 500 mV or higher dropouts, extending useful battery runtime before the regulator drops out of regulation.
What output capacitor types are compatible with the LP38500TS-ADJ FlexCap architecture, and does it require a specific ESR range?
The LP38500TS-ADJ FlexCap design is stable with ceramic, tantalum, and aluminum electrolytic capacitors across a wide ESR range, removing the strict ESR window requirement found in older LDO topologies. Designers can use a low-ESR 10 µF ceramic capacitor for compact layouts or a larger 47 µF tantalum for applications needing lower output impedance at audio and low frequencies.
Can LP38500TS-ADJ operate across the full industrial temperature range, and what is its junction temperature limit?
Yes, the LP38500TS-ADJ is rated from -40°C to a maximum junction temperature of 125°C, covering the full industrial temperature range. At 1.5 A output current, designers must verify that the 5-pin SOT-223 package thermal resistance keeps the junction below 125°C, which typically requires attention to PCB copper area and airflow in high-current applications.
How precisely can the output voltage be set using external resistors with LP38500TS-ADJ, and what line regulation does it guarantee?
The adjustable output of the LP38500TS-ADJ is set with a standard resistor-divider to its feedback pin, and the device guarantees a maximum line regulation of 0.05%/V across its 2.7 V to 5.5 V input range. This means that for a 1 V input change, the output shifts by no more than 0.05%, which is sufficient for precision analog and mixed-signal supply rails requiring better than 1% accuracy.
Related Guides
How to Choose a BAS70 Schottky Diode for Signal Clamping: Selection Guide
A practical BAS70KFILM and BAS70-family Schottky diode selection guide for signal clamping, RF detection, leakage, and topology choices.
Jul 4, 2026
AMC1202DWVR Design Guide for Isolated Current Sensing
Practical AMC1202DWVR design guide covering shunt sizing, isolation layout, input filtering, ADC scaling, and sourcing choices.
Jul 4, 2026
1206 100 uF MLCC Design Guide for Compact Bulk Decoupling
Design guidance for applying CL31A107MQHNNNE and related 1206 MLCCs in compact bulk decoupling networks.
Jul 3, 2026
0402 10 nF MLCC Design Guide for High-Speed Decoupling
Practical design guidance for using CL05B103KB5NNNC and related 0402 MLCCs in high-speed decoupling networks.
Jul 3, 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.
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.”