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Texas Instruments UCC28740DR | Demoboard TIDA-00701
100W, 24V High Efficiency High PF Industrial Power Supply with Precision Current & Power Limit
Overview
| Topology | Flyback Converter |
| Input voltage | 85-265 V |
| Switching frequency | 100 kHz |
Description
100W, 24V High Efficiency High PF Industrial Power Supply with Precision Current & Power LimitTIDA-00701 is a 100W, 24V, Industrial AC-DC power supply designed for use in Industrial & Instrumentation systems such as process controls, factory automation and machinery control. This reference design has front end Power Factor Correction (PFC) circuit designed using UCC28051 PFC controller, followed by Quasi-Resonant flyback converter implemented using UCC28740 Primary Side regulated (PSR) CC-CV flyback controller, 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 85-VAC to 265-VAC, with full power delivery over entire range.Designed to drive wide range of downstream 24V Industrial systems and motor drives up to 100W.High efficiency of 88% at 115VAC and >89% at 230VAC for wide load range from 40% to 100% load. No external cooling needed up to 60oC ambient operationHigh power factor >0.97 at both 115VAC and 230VAC for 100% load. Meets Current THD regulations as per IEC 61000-3-2, Class-A.Precision current limit within ±1% ensures maximum power delivery for entire AC input voltage range.Very low standby power of < 200mW.Start-up with high load capacitance up to 8500uFBuilt-in loss-less ORing feature for paralleling multiple modulesMeets the requirements of Conducted Emissions Standard – EN55011 class B, EFT norm IEC6000-4-4 –Level-3, and Surge norm IEC61000-4-5 –Level-3.
Typical applications
- Telecommunications
- Industrial DIN Rail Power Process Control, Factory Automation
- Security Systems
- Medical Power Supplies
- Data Monitoring and Controls
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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 750343004 | SPEC | 5 files | Active i| Production is active. Expected lifetime: >10 years. | MID-OLTI Offline Flyback Transformers for Texas Instruments | 106 - 286 V (AC) | 24 | 3.85 | 18 | 65 | 4:1:0.78 | 4.7 | ER28/14 | – | 160 | – | – | 3750 | – | 30.5 | 24 | 33 | 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 | ||
 | 750343062 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | Inductor | – | – | – | – | – | – | 5 | RM10 | – | 330 | – | – | 1500 | – | 26.16 | 26.16 | 19.05 | 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 |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 750343004 | SPEC | |
| 744823220 | SPEC | |
| 750343062 | SPEC | – |
| 750343092 | SPEC | – |
| 750343094 | SPEC | – |
| Samples |
|---|
| 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 |
|---|