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Texas Instruments UCC28730 | Demoboard PMP10407
Zero Standby PSR Flyback Controller with CVCC and Wake-Up Monitoring
Overview
| Topology | Flyback Converter |
| Input voltage | 85-265 V |
| Output 1 | 5 V / 10 A |
| IC revision | D |
Description
The UCC28730 isolated-flyback power supply controller provides Constant-Voltage (CV) and Constant-Current (CC) output regulation without the use of an optical coupler, and signal detection to improve transient response to large load steps. A minimum switching frequency of 30 Hz facilitates achieving less than 5 mW of no-load power. This device processes information from the primary power switch and an auxiliary flyback winding for precise control of output voltage and current. The monitoring works with a secondary-side alarm device such as the UCC24650 to deliver rapid response to heavy load steps using minimal output capacitance.
Features
Remark: BOM is added with main pdf.
Enables (<5 mW) Standby ConsumptionSmart Detection Enables Smallest Output CapacitancePrimary-Side Regulation (PSR) Eliminates Opto-coupler±5% Voltage Regulation and Current Regulation Across Line and Load700-V Start-up Switch83-kHz Maximum Switching Frequency Enables Low Stand-by Power Charger DesignsResonant-Ring Valley-Switching Operation for Highest Overall EfficiencyFrequency-Dither to Ease EMI ComplianceClamped Gate-Drive Output for MOSFETOver-Voltage, Low-Line, and Over-Current Protection FunctionsProgrammable Cable CompensationSOIC-7 Package
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC (mΩ) | fres (MHz) | IR (A) | L (µH) | RDC max. (mΩ) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 744314110 | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-HCI SMT Flat Wire High Current Inductor | 19.6 | 6 | 13 | 3.15 | 135 | – | 1.1 | 3.465 | – | – | Superflux | 7 | 6.9 | 4.8 | SMT | ||
 | 744822110 | SPEC | 10 files | Active i| Production is active. Expected lifetime: >10 years. | WE-CMB Common Mode Power Line Choke | – | – | – | – | – | 1 | 10000 | 360 | 250 | 1500 | MnZn | 17.5 | 13 | 22 | THT |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 744314110 | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. | |
| 744822110 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC (mΩ) | fres (MHz) | IR (A) | L (µH) | RDC max. (mΩ) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | Samples |
|---|