UCC256402ADDBT Texas Instruments Integrated Circuit (Other) In Stock
UCC256402ADDBT is a current-mode LLC resonant controller with ultra-low standby power, high-voltage startup, and integrated protection features. Supports 13–30V input, 14-SOIC package, –40 to 125°C. From $1.56, in stock, worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- UCC256402ADDBT Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.5600(MOQ 10)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Current-mode LLC resonant control for high efficiency and tight regulation
- Ultra-low standby power for energy-efficient designs
- High-voltage startup circuit eliminates external startup resistors
- Wide input voltage range: 13–30 V (nom. 15 V)
- Integrated protection: OCP, OVP, and thermal shutdown
- 14-SOIC package, AEC-Q100 qualified, –40 to 125°C operating range
Applications
The UCC256402ADDBT is ideal for high-efficiency power conversion in server and telecom power supplies, where LLC resonant topology minimizes switching losses. It is widely used in industrial SMPS designs requiring precise regulation and low standby power consumption. The device also suits consumer electronics adapters and EV onboard chargers that demand compact, thermally robust solutions.
Specifications
| Pbfree Code | Yes |
| Date Of Intro | 2020-03-21 |
| YTEOL | 15 |
| Analog IC - Other Type | SWITCHING CONTROLLER |
| Control Mode | CURRENT-MODE |
| Control Technique | RESONANT CONTROL |
| Input Voltage-Max | 30V |
| Input Voltage-Min | 13V |
| Input Voltage-Nom | 15V |
| JESD-30 Code | R-PDSO-G14 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Output Current-Max | 1.2A |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP14/16,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Supply Current-Max (Isup) | 2.7mA |
| Supply Voltage-Max (Vsup) | 30V |
| Supply Voltage-Min (Vsup) | 13V |
| Supply Voltage-Nom (Vsup) | 15V |
| Surface Mount | YES |
| Switching Frequency-Max | 99.7kHz |
| Technology | BICMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| 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 2 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Malaysia |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for UCC256402ADDBT:
Switching Controller, Current-mode, 1.2A, 99.7kHz Switching Freq-Max, BICMOS, PDSO14
Frequently Asked Questions
What control mode does the UCC256402ADDBT use?
The UCC256402ADDBT uses current-mode resonant control (LLC resonant controller). This control technique enables high efficiency power conversion by operating at or near the resonant frequency, reducing switching losses and achieving ultra-low standby power.
What is the input voltage range of the UCC256402ADDBT?
The UCC256402ADDBT supports an input voltage range of 13V to 30V, with a nominal operating voltage of 15V. This makes it suitable for a wide range of AC-DC and DC-DC power supply applications.
What package does the UCC256402ADDBT come in and what is its operating temperature range?
The UCC256402ADDBT is available in a 14-pin SOIC (R-PDSO-G14) package. It operates over an extended industrial temperature range of –40°C to +125°C, making it suitable for demanding environments.
What protection features are integrated in the UCC256402ADDBT?
The UCC256402ADDBT integrates multiple protection features including high-voltage startup circuitry, over-current protection, and various fault detection mechanisms. These built-in protections simplify system design and improve reliability in LLC resonant converter applications.
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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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