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Analog Devices LT3799 | Demoboard DC1595A
LT3799 Demo Board - Offline Isolated Flyback Controller with PFC - Universal Input, VOUT(NOM) = 20V, I LED = 1A
Overview
| Topology | Flyback Converter |
| Input voltage | 90-270 V |
| Output 1 | 25 V / 1 A |
| IC revision | 2 |
Description
Demonstration circuit 1595A is an off-line isolated flyback converter featuring LT3799. The demo board is designed to drive a 20V nominal LED string at 1A from an input voltage range of 90VAC to 270VAC. It is also designed to comply with IEC 61000-3-2 Class C harmonics standardand EN55015B conducted EMI standard.
The LT3799 controls an isolated flyback converter in boundary mode, suitable for LED applications requiring 4W to over 100W of LED power. Its novel current sensing scheme delivers a well regulated output current to thesecondary side without using an opto-coupler. Its unique bleeder circuit makes the LED driver compatible with TRIAC dimmers without additional components. Openand shorted-LED protection ensures long term reliability.
The LT3799 is available in a low profile, thermally enhanced 16-lead MSOP package.
The LT3799 datasheet gives a complete description of the part, operation and application information. The datasheet must be read in conjunction with this quick start guide for demo circuit 1595A.
Features
Remarks:L1=33mH L2=750uH And Transformer T1 UsedRefer page no.5
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | IR (A) | L (mH) | RDC max. (Ω) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 7448640418 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-FC Common Mode Power Line Choke | 0.4 | 43 | 2.88 | 250 | 2000 | MnZn | 21.3 | 16.6 | 22.5 | THT |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 7448640418 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | IR (A) | L (mH) | RDC max. (Ω) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | Samples |
|---|