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Texas Instruments UCC28881 | Demoboard PMP30123
High Line to 15V to 24V Constant Current Source @ 200mA for High Brightness LED Reference Design
Overview
| Topology | Buck Converter |
| Input voltage | 184-270 V |
| Output 1 | 24 V / 0.2 A |
| IC revision | B |
Description
A high voltage integrated-FET Buck converter is used to supply 200mA constant current to LEDs. The output voltage can range between 15V and 24V. An open-string protection circuit clamps the output voltage to stay always below 34V. The input voltage range is 184AVC to 270VAC
Features
- Simple integrated HV-FET (700V) buck drives up to 8 high-brightness LEDs
- Very small solution (31mm x 38.3mm), suitable for several applications
- Non-isolated constant current source with over-voltage protection
- Short circuit protection
- REMARK: BOM AND SchematiC is added
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IR(A) | ISAT,10%(A) | RDC max.(Ω) | fres(MHz) | Version | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-TI Radial Leaded Wire Wound Inductor, 1000 µH, 0.25 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-TI Radial Leaded Wire Wound Inductor | Inductance1000 µH | Rated Current0.25 A | Saturation Current @ 10%0.27 A | DC Resistance6 Ω | Self Resonant Frequency2.3 MHz | VersionHeat Shrinking Tube |