XLM51551QDSSTQ1 Texas Instruments Integrated Circuit (Small Outline No-lead) In Stock
The XLM51551QDSSTQ1 is a 2.2MHz wide input voltage range non-synchronous boost, SEPIC, and flyback controller from Texas Instruments. It supports input voltages from 2.97V to 45V with current-mode PWM control, housed in a compact 12-pin small outline no-lead package. Available from stock worldwide with competitive pricing.
- Manufacturer
- Texas Instruments
- Package
- Small Outline No-lead
- Pin Count
- 13
- Lifecycle
- OBSOLETE
- Datasheet
- XLM51551QDSSTQ1 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 150.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of XLM51551QDSSTQ1?
- Wide input voltage range from 2.97V to 45V supporting diverse power supply designs
- 2.2MHz switching frequency enabling compact external component sizes and reduced noise
- Current-mode PWM control for superior line and load transient response
- Supports boost, SEPIC, and flyback topologies in a single 12-pin WSON package
What is XLM51551QDSSTQ1 used for?
The XLM51551QDSSTQ1 is well-suited for industrial power supplies, automotive lighting drivers, and telecommunications equipment requiring flexible topology support. Its wide input voltage range makes it ideal for battery-powered systems and designs with variable or unregulated input sources. It is also used in portable instrumentation and medical devices where compact, efficient power conversion is critical.
What are the specifications of XLM51551QDSSTQ1?
| Date Of Intro | 2018-08-31 |
| YTEOL | 0 |
| Analog IC - Other Type | SWITCHING CONTROLLER |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 45V |
| Input Voltage-Min | 2.97V |
| Input Voltage-Nom | 12V |
| JESD-30 Code | R-PDSO-N12 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG |
| Screening Level | AEC-Q100 |
| Surface Mount | YES |
| Switcher Configuration | BOOST |
| Switching Frequency-Max | 2420kHz |
| Temperature Grade | AUTOMOTIVE |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | DUAL |
| Package | Small Outline No-lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Where can I find the XLM51551QDSSTQ1 datasheet?
XLM51551QDSSTQ1 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for XLM51551QDSSTQ1?
Compatible alternatives and drop-in replacements for XLM51551QDSSTQ1:
Frequently Asked Questions
Which converter topologies can engineers implement with XLM51551QDSSTQ1?
The controller supports boost, SEPIC, and flyback designs across a 2.97 V to 45 V input range, making it adaptable to varied power rails.
How does the switching capability affect power-stage design choices?
Its switching frequency reaches 2.2 MHz, which can enable smaller external components while requiring careful layout, thermal analysis, and switching-loss evaluation.
Why must the PCB footprint be checked carefully for this device?
XLM51551QDSSTQ1 uses a compact 12-pin small-outline no-lead package, so pad geometry, exposed-area guidance, and assembly tolerances should follow the manufacturer drawing.
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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.
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