LMS1587CS-3.3 Texas Instruments Integrated Circuit (Other) In Stock
The LMS1587CS-3.3 is a fixed 3.3V low-dropout fast-response voltage regulator from Texas Instruments with an input range of 4.75V to 7V and a typical dropout voltage of 1.1V. It offers excellent line regulation of 0.0066% maximum and is housed in a 3-pin surface-mount package for compact power supply designs. Available in stock with worldwide shipping from authorized distributors.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 4
- Lifecycle
- OBSOLETE
- Datasheet
- LMS1587CS-3.3 Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Fixed 3.3V output LDO with fast transient response for powering digital and RF loads with dynamic current demands
- Low dropout voltage of 1.1V typical (1.3V max) enabling efficient regulation from 4.75V to 7V input range
- Excellent line regulation of 0.0066% maximum for stable output across varying input voltage conditions
Applications
The LMS1587CS-3.3 is designed for powering digital ICs, FPGAs, DSPs, and microprocessors in consumer electronics and embedded systems requiring a stable 3.3V supply with fast load transient response. It is well suited for post-regulation of switching power supplies where low noise and tight voltage regulation are critical for sensitive analog and RF circuits. Its fast response characteristic also makes it suitable for dynamic load applications such as wireless communication modules and high-speed memory interfaces.
Specifications
| YTEOL | 0 |
| Adjustability | FIXED |
| Dropout Voltage1-Max | 1.3V |
| Dropout Voltage1-Nom | 1.1V |
| Input Voltage Absolute-Max | 13V |
| Input Voltage-Max | 7V |
| Input Voltage-Min | 4.75V |
| JESD-30 Code | R-PSSO-G3 |
| JESD-609 Code | e0 |
| Line Regulation-Max | 0.0066% |
| Load Regulation-Max | 0.0165% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 125°C |
| Output Current1-Max | 3A |
| Output Voltage1-Max | 3.365V |
| Output Voltage1-Min | 3.235V |
| Output Voltage1-Nom | 3.3V |
| 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 LMS1587CS-3.3:
Regulator, 3.3V, 1.3V Dropout, BIPolar, PSSO3
Frequently Asked Questions
What is the output voltage and dropout voltage of the LMS1587CS-3.3?
The LMS1587CS-3.3 provides a fixed 3.3V regulated output with a typical dropout voltage of 1.1V and a maximum of 1.3V, requiring at least 4.4V input to maintain regulation under full load conditions.
What is the input voltage range for the LMS1587CS-3.3?
The device operates with an input voltage from 4.75V to 7V, with an absolute maximum input voltage of 13V, making it compatible with 5V bus power systems commonly used in consumer and industrial electronics.
What makes the LMS1587CS-3.3 suitable for dynamic load applications?
The LMS1587CS-3.3 features a fast transient response design that quickly recovers from sudden load current changes, making it ideal for microprocessors, FPGAs, and wireless modules that exhibit rapid current draw variations.
What package is the LMS1587CS-3.3 available in?
The LMS1587CS-3.3 is packaged in a 3-pin surface-mount power package (D2PAK/TO-263 style), providing good thermal performance for higher current LDO applications while remaining compatible with standard SMT assembly processes.
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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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