LM2575S-ADJIn StockTexas Instruments
LM2575S-ADJ is a 1A adjustable output step-down (buck) switching voltage regulator. Input voltage range 4V to 40V, adjustable output, 52kHz fixed frequency PWM, high efficiency. From $1.15 in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 4
- Lifecycle
- OBSOLETE
- Datasheet
- LM2575S-ADJ Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.1513(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Adjustable output voltage via external resistor divider
- Wide input voltage range: 4V to 40V
- 1A output current with high efficiency switching at 52kHz
- Can be configured as buck-boost regulator
- Built-in thermal shutdown and current limiting protection
Applications
The LM2575S-ADJ is widely used in industrial power supplies, battery-powered systems, and embedded electronics requiring regulated DC voltage. Its adjustable output makes it ideal for custom voltage rails in telecommunications equipment and consumer electronics. It also suits automotive and LED driver applications where efficient step-down conversion from a wide input range is essential.
Specifications
| Pbfree Code | Yes |
| Date Of Intro | 1995-01-01 |
| YTEOL | 0 |
| Additional Feature | CAN ALSO CONFIGURED AS BUCK BOOST REGULATOR |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | VOLTAGE-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 40V |
| Input Voltage-Min | 4V |
| Input Voltage-Nom | 12V |
| JESD-30 Code | R-PSSO-G5 |
| JESD-609 Code | e0 |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Output Current-Max | 1A |
| Output Voltage-Max | 37V |
| Output Voltage-Min | 3.3V |
| Output Voltage-Nom | 1.23V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SMSIP5H,.6,67TB |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 235 |
| Qualification Status | Not Qualified |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 63kHz |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Tin/Lead (Sn/Pb) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.7mm |
| Terminal Position | SINGLE |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| 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
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the output voltage range of the LM2575S-ADJ?
The LM2575S-ADJ has an adjustable output voltage range typically from 1.23V up to 37V, set by an external resistor divider network. The input voltage must remain at least 1.5V above the desired output voltage, with a maximum input of 40V.
What are typical applications for the LM2575S-ADJ?
The LM2575S-ADJ is suitable for a wide range of applications including industrial power supplies, battery chargers, embedded system voltage regulators, LED drivers, automotive electronics, and telecommunications equipment where efficient step-down DC-DC conversion is needed.
Can the LM2575S-ADJ be used as a buck-boost regulator?
Yes, the LM2575S-ADJ can also be configured as a buck-boost regulator with appropriate external components. This flexibility allows it to both step down and step up voltages, making it versatile for various power conversion scenarios beyond standard buck operation.
What package type is the LM2575S-ADJ available in, and how can I buy it?
The LM2575S-ADJ is offered in a D2PAK (TO-263) surface-mount package, suitable for high-power PCB applications. It is available from authorized distributors worldwide, with pricing starting from approximately $1.15 per unit. You can request a quote directly on FindMyChip for competitive pricing and fast shipping.
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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.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $6.8055 | $6.81 |
| 3+ | $2.2485 | $6.75 |
| 10+ | $1.6864 | $16.86 |
| 25+ | $1.5440 | $38.60 |
| 100+ | $1.3815 | $138.15 |
| 175+ | $1.1513 | $201.48 |
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