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Texas Instruments UCC28740DR | Demoboard TIDA-00702
60W, 24V High Efficiency Industrial Power Supply with Precision Voltage, Current and Power Limit
Overview
| Topology | Flyback Converter |
| Input voltage | 85-265 V |
| Switching frequency | 65 kHz |
| Output 1 | 26 V / 2.5 A |
| IC revision | A |
Description
The TIDA-00702 is a 60-W, industrial AC-DC power supply designed for use in industrial and instrumentation systems such as process controls, factory automation, and machinery control. This reference design is a Quasi-resonant (QR) flyback converter implemented using the UCC28740 CC-CV flyback controller with optocoupled feedback for voltage and primary-side regulation (PSR) for constant current regulation, with all the necessary protections built-in. Hardware is designed and tested to pass conducted emissions, surge, and EFT requirements.
Features
- Wide Operating Input Range of 85-V to 265-V ACWith Full Power Delivery Over Entire Range
- Designed to Drive Wide Range of Downstream24-V Industrial Systems and Motor Drives up to60 W
- High Efficiency of > 89% at 115-V AC and > 91%at 230-V AC for Wide Load Range From 30% to100% Load; No External Cooling Needed up to60°C Ambient Operation
- Meets Current THD Regulations as per IEC61000-3-2, Class-A
- Precision Current Limit Within ±1% EnsuresMaximum Power Delivery for Entire AC VoltageRange
- Very Low Standby Power of < 200 mW
- Start-up With High Load Capacitance up to8500 μF
- Built-in Lossless ORing Feature for ParallelingMultiple Modules
- Meets the Requirements of Conducted EmissionsStandard – EN55011 Class B, EFT Norm IEC6000-4-4 – Level-3, and Surge Norm IEC61000-4-5 –Level-3
- Power Supply With Small PCB Form Factor(96 × 82 mm)
Typical applications
- Industrial DIN Rail Power, Process Control,Factory Automation
- Industrial LED Lighting
- Medical Power Supplies
- Security Systems
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | VIN | VOut1 (V) | IOut1 (A) | Vaux (V) | fswitch (kHz) | NPRI : NSEC : NAUX | ISAT (A) | Size | IR (A) | L (µH) | RDC max. (mΩ) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 750343068 | SPEC | 4 files | Active i| Production is active. Expected lifetime: >10 years. | MID-OLTI Offline Flyback Transformers for Texas Instruments | 60 - 283 V (AC) | 24 | 2.5 | 18 | 65 | 3.89:1:0.83 | 4.4 | PQ2625 | – | 230 | – | – | 3750 | – | 29.2 | 30.35 | 29.3 | THT | ||
 | 744823220 | SPEC | 10 files | Active i| Production is active. Expected lifetime: >10 years. | WE-CMB Common Mode Power Line Choke | – | – | – | – | – | – | – | M | 1.5 | 20000 | 270 | 250 | 1500 | MnZn | 23 | 13.8 | 25.5 | THT | ||
 | 750343092 | SPEC | – | 4 files | Active i| Production is active. Expected lifetime: >10 years. | Inductor | – | – | – | – | – | – | – | Toroid | – | 5500 | – | – | 1500 | – | 8.89 | 14 | 18.5 | THT | |
 | 750343094 | SPEC | – | 4 files | Active i| Production is active. Expected lifetime: >10 years. | Power Filter CMC | – | – | – | – | – | – | – | Toroid | – | 110 | – | – | 600 | – | 6.1 | 12.06 | 13.06 | THT |
| Samples |
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| Order Code | Datasheet | Simulation | Downloads | Status | Product series | VIN | VOut1 (V) | IOut1 (A) | Vaux (V) | fswitch (kHz) | NPRI : NSEC : NAUX | ISAT (A) | Size | IR (A) | L (µH) | RDC max. (mΩ) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | Samples |
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