LM2599S-5.0 Texas Instruments Integrated Circuit (Other) In Stock
LM2599S-5.0 is a 3A step-down (buck) switching voltage regulator with fixed 5V output. It features 150kHz PWM voltage-mode control, 4.5V to 40V input range, and excellent line/load regulation. From $3.91, in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 4
- Lifecycle
- OBSOLETE
- Datasheet
- LM2599S-5.0 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $3.9100(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
- Fixed 5V output with ±4% accuracy across full load and temperature range
- 3A continuous output current with simple external circuit design
- 150kHz switching frequency enables use of smaller external components
- Wide input voltage range: 4.5V to 40V for versatile power supply designs
- On/off shutdown control reduces system standby power consumption
Applications
The LM2599S-5.0 is widely used in industrial power supplies, embedded system boards, and telecommunications equipment requiring a regulated 5V rail from higher-voltage sources. It suits automotive electronics, battery-powered devices, and distributed power architectures where a compact, efficient buck converter with minimal external components is needed.
Specifications
| Pbfree Code | Yes |
| Date Of Intro | 1996-04-01 |
| YTEOL | 0 |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | VOLTAGE-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 40V |
| Input Voltage-Min | 4.5V |
| Input Voltage-Nom | 12V |
| JESD-30 Code | R-PSSO-G7 |
| JESD-609 Code | e0 |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Output Current-Max | 3A |
| Output Voltage-Max | 5.2V |
| Output Voltage-Min | 4.8V |
| Output Voltage-Nom | 5V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SMSIP7H,.55,50TB |
| 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 | 173kHz |
| Technology | BIPOLAR |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Tin/Lead (Sn/Pb) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| 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 input voltage range for the LM2599S-5.0?
The LM2599S-5.0 accepts an input voltage from 4.5V to 40V, with a nominal operating voltage of 12V. This wide range makes it suitable for a variety of DC power sources including unregulated supplies, batteries, and automotive 12V/24V systems.
What output current can the LM2599S-5.0 deliver?
The LM2599S-5.0 is rated for 3A continuous output current. It delivers a fixed 5V output, making it ideal for powering microcontrollers, FPGAs, sensors, and other logic circuits that require a stable 3A-capable 5V supply.
What package is the LM2599S-5.0 available in and what are its typical applications?
The LM2599S-5.0 is available in a 7-lead D2PAK (TO-263) surface-mount package, well-suited for PCB designs requiring good thermal performance. Typical applications include industrial control systems, telecom equipment, set-top boxes, and embedded computing boards needing an efficient 5V step-down regulator.
Are there alternative or equivalent parts for the LM2599S-5.0?
Compatible alternatives include the LM2576-5.0 (lower 500mA current) and LM2678-5.0 (higher 5A current) from Texas Instruments, as well as the MC34063A for lower-current designs. Ensure the chosen replacement matches the 5V fixed output, input voltage range, and current requirements of your design.
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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+ | $10.3725 | $10.37 |
| 5+ | $5.1863 | $25.93 |
| 40+ | $4.4948 | $179.79 |
| 500+ | $4.4000 | $2200.00 |
| 1000+ | $4.1600 | $4160.00 |
| 10000+ | $3.9100 | $39100.00 |
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