Walton Electronics Co., Ltd.
Shenzhen Walton Electronics Co., Ltd.
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UCC28950PWR Switching Controllers Green Phase-Shifted Full-Bridge Control TSSOP24
UCC28950 Green Phase-Shifted Full-Bridge Controller With Synchronous Rectification
Features
• Enhanced Wide Range Resonant Zero Voltage Switching (ZVS) Capability
• Direct Synchronous Rectifier (SR) Control
• Light-Load Efficiency Management Including
– Burst Mode Operation
– Discontinuous Conduction Mode (DCM), Dynamic SR On and Off Control with Programmable Threshold
– Programmable Adaptive Delay
• Average or Peak Current Mode Control With Programmable Slope Compensation and Voltage Mode Control
• Naturally Handles Pre-Biased Start Up With DCM Mode
• Closed Loop Soft Start and Enable Function
• Programmable Switching Frequency up to 1 MHz with Bi-Directional Synchronization • (±3%) Cycle-by-Cycle Current Limit Protection With Hiccup Mode Support
• 150-µA Start-Up Current
• VDD Undervoltage Lockout
• Wide Temperature Range –40°C to +125°C
Applications
• Phase-Shifted Full-Bridge Converters
• Datacom, Telecom, and Wireless Base-Station Power
• Server, Power Supplies
• Industrial Power Systems
• High-Density Power Architectures
• Solar Inverters, and Electric Vehicles
| Switching Controllers | |
| RoHS: | Details |
| Full Bridge | |
| 4 Output | |
| 1 MHz | |
| 97 % | |
| 12 V | |
| 5 V | |
| 200 mA | |
| - 40 C | |
| + 125 C | |
| SMD/SMT | |
| TSSOP-24 | |
| Reel | |
| Cut Tape | |
| MouseReel | |
| Development Kit: | UCC28950EVM-442 |
| Fall Time: | 7 ns |
| Isolation: | Non-Isolated |
| Operating Supply Current: | 5 mA |
| Operating Supply Voltage: | 12 V |
| Output Type: | Fixed |
| Product: | Voltage Controllers |
| Product Type: | Switching Controllers |
| Rise Time: | 9 ns |
| Series: | UCC28950 |
| Shutdown: | Shutdown |
| Factory Pack Quantity: | 2000 |
| Subcategory: | PMIC - Power Management ICs |
| Type: | Current Mode PWM Controllers |
| Unit Weight: | 220 mg |
