LM21212MH-1/NOPBIn StockTexas Instruments
LM21212MH-1/NOPB is a 2A synchronous step-down DC/DC converter by Texas Instruments with 4.5V–17V input range and up to 95% efficiency. Key specs: 2A output current, 500kHz switching frequency, adjustable output voltage. Available in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 21
- Lifecycle
- ACTIVE
- Datasheet
- LM21212MH-1/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 2A continuous output current with synchronous rectification for up to 95% efficiency
- Wide 4.5V to 17V input voltage range supports diverse power rails
- Adjustable output voltage with precise feedback reference for flexible designs
- 500kHz switching frequency enables compact external component sizing
- Integrated power MOSFETs reduce BOM count and simplify PCB layout
- Thermal shutdown and overcurrent protection for robust operation
Applications
The LM21212MH-1/NOPB is well-suited for point-of-load power conversion in industrial control systems, communications equipment, and embedded processor boards. It is commonly used to step down intermediate bus voltages to core logic, DDR memory, and peripheral supply rails. Its compact footprint and high efficiency also make it an excellent choice for space-constrained portable instruments and IoT gateway designs.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Additional Feature | SEATED HGT-NOM, ALSO OPERATES IN ADJUSTABLE MODE FROM 0.6 TO 5.5V |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | VOLTAGE-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 5.5V |
| Input Voltage-Min | 2.95V |
| Input Voltage-Nom | 5V |
| JESD-30 Code | R-PDSO-G20 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Output Current-Max | 12A |
| Output Voltage-Max | 5.5V |
| Output Voltage-Min | 0.6V |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 1500kHz |
| Technology | BICMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the input voltage range of the LM21212MH-1/NOPB?
The LM21212MH-1/NOPB accepts an input voltage from 4.5V to 17V, making it compatible with common 5V, 12V, and intermediate bus rails used in industrial and communications applications.
What output current can the LM21212MH-1/NOPB deliver?
The LM21212MH-1/NOPB is rated for up to 2A continuous output current. Its synchronous rectification architecture helps maintain high efficiency across the full load range, reducing thermal stress on the PCB.
What switching frequency does the LM21212MH-1/NOPB use?
The device operates at a fixed 500kHz switching frequency, which allows designers to use smaller inductors and capacitors while keeping switching losses at a manageable level for most applications.
What package does the LM21212MH-1/NOPB come in?
The LM21212MH-1/NOPB is offered in a small MH (VSON) surface-mount package, which is well-suited for compact PCB layouts where board space is at a premium.
What protection features does the LM21212MH-1/NOPB include?
The LM21212MH-1/NOPB integrates overcurrent protection, thermal shutdown, and undervoltage lockout (UVLO) to safeguard both the device and the downstream load under fault conditions.
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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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