XPS629210DRLR Texas Instruments Integrated Circuit (SO Transistor Flat Lead) In Stock
XPS629210DRLR is a voltage-mode PWM switching regulator IC by Texas Instruments with PFM control also available, supporting input voltages from 3 V to 17 V (nominal 12 V). Key specs: single function, 8-lead SO flat lead (SOIC-8) package, wide input range. From competitive pricing, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SO Transistor Flat Lead
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- XPS629210DRLR 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
Key Features
- Voltage-mode PWM control with optional PFM mode provides efficient power conversion across light and heavy load conditions
- Wide input voltage range of 3 V to 17 V (nominal 12 V) accommodates a broad spectrum of DC power rails in industrial and telecom applications
- Compact 8-lead SOIC (R-PDSO-F8) flat lead package minimizes PCB area for space-constrained switching regulator designs
- Single-function architecture simplifies BOM and schematic design for straightforward DC/DC conversion requirements
Applications
XPS629210DRLR is suited for point-of-load DC/DC conversion in industrial equipment, networking hardware, and consumer electronics operating from 12 V bus rails. Its wide 3 V to 17 V input range makes it applicable in battery-backed power systems, telecom shelves, and embedded computing boards where input supply variation is common. The available PFM control mode improves light-load efficiency in energy-conscious designs such as always-on IoT gateways and standby power circuits.
Specifications
| YTEOL | 0 |
| Additional Feature | PFM CONTROL TECHNIQUE ALSO AVAILABLE |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | VOLTAGE-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 17V |
| Input Voltage-Min | 3V |
| Input Voltage-Nom | 12V |
| JESD-30 Code | R-PDSO-F8 |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Output Current-Max | 1A |
| Output Voltage-Max | 5.5V |
| Output Voltage-Min | 0.4V |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 2500kHz |
| Technology | BICMOS |
| Terminal Form | FLAT |
| Terminal Pitch | 0.5mm |
| Terminal Position | DUAL |
| Package | SO Transistor Flat Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for XPS629210DRLR:
Switching Regulator, Current/voltage-mode, 1A, 2500kHz Switching Freq-Max, BICMOS, PDSO8
Switching Regulator, Current/voltage-mode, 1A, 2500kHz Switching Freq-Max, BICMOS, PDSO8
Frequently Asked Questions
How does XPS629210DRLR's combined PWM and PFM control improve efficiency at light loads compared to a pure PWM regulator?
In PFM mode, XPS629210DRLR reduces switching frequency at light loads, cutting switching losses that dominate efficiency below roughly 10-20% of full load current. A pure voltage-mode PWM controller running at a fixed frequency (often 300 kHz to 1 MHz) continues switching at full rate even when output current drops to a few milliamps, wasting energy as heat. Switching to PFM at light load can improve efficiency by 5-15 percentage points in standby conditions.
Which 12 V industrial bus applications match XPS629210DRLR's input voltage range and control topology?
XPS629210DRLR is well-matched for 12 V bus point-of-load regulators in industrial PLCs, embedded single-board computers, and networking switches with input rails ranging from 3 V to 17 V. Voltage-mode PWM control provides clean, low-ripple output suitable for powering DSPs, FPGAs, and analog front ends that require a stable supply within ±3% of nominal to meet timing specifications.
What PCB area does the 8-lead SOIC package of XPS629210DRLR require, and how does that affect inductor and capacitor placement?
The 8-lead SOIC (R-PDSO-F8) package measures approximately 5 mm × 4 mm with 1.27 mm lead pitch, occupying about 20 mm² of board area. A typical switching regulator layout places the input capacitor and output inductor within 5-10 mm of the IC to minimize high-frequency loop area; with an 8-lead SOIC, a 2-layer board can typically fit the complete power stage including 22 µH inductor and 47 µF output capacitor within a 15 mm × 20 mm region.
When is XPS629210DRLR a preferred choice over integrated power modules in a new step-down design?
XPS629210DRLR is preferable when the designer wants to select external passive components (inductor, capacitors, sense resistor) to optimize cost, frequency, and output ripple independently. Integrated power modules fix these parameters internally and can cost 3-5× more per unit. For volumes above a few hundred units where BOM cost per board matters, building around a discrete controller IC like XPS629210DRLR with 3 V to 17 V input flexibility typically yields a lower total solution cost.
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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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