Topology | Flyback Converter |
Input voltage | 85-265 V |
Output 1 | 5 V / 2 A |
The UCC28704EVM-724 is a 10-W off-line isolated power supply providing 5-V output on a USB-A port. The converter output voltage and current are regulated to 5% accuracy without using an optocoupler or secondary-side feedback circuits. The EVM demonstrates a low-cost solution to comply with global external power-supply efficiency standards (Department of Energy Level VI, EU Code of Conduct V5 Tier-2, etc.) without adding a secondary-side synchronous rectifier.
Universal AC input range (85-V to 265-V AC), 5-V/2-A isolated output5% output voltage (CV) and current (CC) accuracy with primary-side regulation (PSR)83% average efficiency and <60-mW standby power performance exceeds DoE Level VI and EU CoC V5 Tier-2 EPS standards80-mV p-p output voltage ripple at end of 0.15-Ω cableFault protections: output overvoltage, overcurrent, and load short circuit
Order Code | Datasheet | Simulation | Downloads | Status | Product series | VIN | VOut1 (V) | IOut1 (A) | Vaux (V) | Vaux 2 (V) | fswitch (kHz) | L (µH) | NPRI : NSEC : NAUX | VT (V (AC)) | L (mm) | W (mm) | H (mm) | Mount | Size | Z @ 100 MHz (Ω) | Zmax (Ω) | Test Condition Zmax | IR 2 (mA) | RDC max. (Ω) | Type | Samples | |
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750315841 | SPEC | 4 files | Active i| Production is active. Expected lifetime: >10 years. | MID-OLTI Offline Flyback Transformers for Texas Instruments | 85 - 265 V (AC) | 5 | 2 | 11 | 16 | 60 | 750 | 13:1:2.25:3.25 | 3750 | 17.65 | 16.64 | 13.21 | THT | RM6 | – | – | – | – | – | – | |||
742792121 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-CBF SMT EMI Suppression Ferrite Bead | – | – | – | – | – | – | – | – | – | 3.2 | 1.6 | 1.1 | SMT | 1206 | 300 | 330 | 110 MHz | 3000 | 0.06 | High Current |
Samples |
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Order Code | Datasheet | Simulation | Downloads | Status | Product series | VIN | VOut1 (V) | IOut1 (A) | Vaux (V) | Vaux 2 (V) | fswitch (kHz) | L (µH) | NPRI : NSEC : NAUX | VT (V (AC)) | L (mm) | W (mm) | H (mm) | Mount | Size | Z @ 100 MHz (Ω) | Zmax (Ω) | Test Condition Zmax | IR 2 (mA) | RDC max. (Ω) | Type | Samples |
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