UCC3580D-2G4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
UCC3580D-2G4 is a dual-output voltage-mode PWM controller operating from a 10 V to 14 V supply at up to 430 kHz switching frequency, delivering 1 A gate-drive output current in a 16-pin SOIC package. It targets active-clamp forward converters, half-bridge, and two-switch flyback designs in telecom and networking power supplies.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- OBSOLETE
- Datasheet
- UCC3580D-2G4 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $3.2384(MOQ 120)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of UCC3580D-2G4?
- Dual-output voltage-mode PWM control at up to 430 kHz
- 1 A peak gate-drive output for efficient MOSFET switching
- 10 V to 14 V input operating range suited for 12 V bus systems
- Active-clamp forward and half-bridge topology support
- 16-pin SOIC package for compact power supply PCB layouts
- Programmable dead-time and soft-start for controlled power-up
- Pulse-by-pulse current limiting for overcurrent protection
What is UCC3580D-2G4 used for?
UCC3580D-2G4 controls isolated DC-DC converters in telecom rectifiers, network switches, and server power supplies where a 12 V intermediate bus must be converted to 3.3 V or 5 V at high efficiency. Its 430 kHz maximum frequency reduces transformer and output filter size, enabling compact quarter-brick and half-brick module designs. The dual-output drive also suits push-pull and active-clamp forward topologies used in 48 V to 12 V isolated front-end stages for data center equipment.
What are the specifications of UCC3580D-2G4?
| YTEOL | 0 |
| Analog IC - Other Type | SWITCHING CONTROLLER |
| Control Mode | VOLTAGE-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 14V |
| Input Voltage-Min | 10V |
| Input Voltage-Nom | 12V |
| JESD-30 Code | R-PDSO-G16 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Output Current-Max | 1.2A |
| Output Voltage-Max | 5.125V |
| Output Voltage-Min | 4.875V |
| Output Voltage-Nom | 5V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP16,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 3.5mA |
| Supply Voltage-Max (Vsup) | 16V |
| Supply Voltage-Min (Vsup) | 15V |
| Supply Voltage-Nom (Vsup) | 12V |
| Surface Mount | YES |
| Switcher Configuration | BUCK-BOOST |
| Switching Frequency-Max | 430kHz |
| Technology | BICMOS |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Mexico |
Where can I find the UCC3580D-2G4 datasheet?
UCC3580D-2G4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for UCC3580D-2G4?
Compatible alternatives and drop-in replacements for UCC3580D-2G4:
Switching Controller, Voltage-mode, 1.2A, 1000kHz Switching Freq-Max, BICMOS, PDSO16
Switching Controller, Voltage-mode, 1.2A, 430kHz Switching Freq-Max, BICMOS, PDSO16
Frequently Asked Questions
At what maximum switching frequency can UCC3580D-2G4 operate, and how does this affect transformer size?
UCC3580D-2G4 supports switching frequencies up to 430 kHz, which allows transformer core size to be reduced compared to lower-frequency controllers. At 430 kHz, a ferrite core designed for a 50 W isolated converter can be as small as an E16 or similar form factor, versus an E25 or E30 required at 100 kHz. This reduction in magnetic component size is the primary reason telecom and networking power supply designers choose high-frequency controllers in 12 V to 5 V or 12 V to 3.3 V conversion stages.
Which converter topologies does UCC3580D-2G4 support with its dual-output gate drive?
The dual complementary PWM outputs support active-clamp forward, two-switch forward, half-bridge, and push-pull converter topologies. In an active-clamp forward design, one output drives the main switch while the second drives the clamp switch with programmable dead time of 50 ns to several hundred nanoseconds. For a half-bridge topology converting a 12 V bus, each output alternatively drives the high-side and low-side switches at up to 1 A peak current, enabling MOSFET gate charging times below 50 ns.
How does UCC3580D-2G4's 1 A gate-drive current benefit MOSFET switching losses at 430 kHz?
A 1 A gate drive charges and discharges a typical 10 nC MOSFET gate charge in approximately 10 ns, ensuring fast switching transitions at 430 kHz. Faster transitions reduce cross-conduction overlap losses and minimize MOSFET drain-source switching energy, which in a 50 W converter can improve efficiency by 1 to 2 percentage points compared to a 0.5 A drive. The 16-pin SOIC package keeps the gate-drive loop inductance low when the SOIC is placed within 10 mm of the MOSFET gate resistor.
When selecting between UCC3580D-2G4 and a simpler single-output PWM controller, what advantages does the dual output offer?
A dual-output controller eliminates one external gate driver IC per converter channel, reducing BOM cost and PCB area by approximately 30 to 50 mm². In active-clamp and half-bridge designs, the two outputs must be precisely timed with dead-time control to prevent shoot-through; UCC3580D-2G4 handles this internally, whereas a single-output controller requires external dead-time logic. For a 12 V nominal input system at 430 kHz, the integrated dual drive also reduces radiated EMI from gate-drive signal crosstalk between separate ICs.
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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.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 120+ | $3.2384 | $388.61 |
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