Datasheet BCR602 (Infineon) - 7
| 制造商 | Infineon |
| 描述 | 60V linear LED controller IC for dimmable LED |
| 页数 / 页 | 15 / 7 — BCR602 hot plug IC with dimming. Thermal characteristics. Figure 6 |
| 修订版 | 01_01 |
| 文件格式/大小 | PDF / 478 Kb |
| 文件语言 | 英语 |
BCR602 hot plug IC with dimming. Thermal characteristics. Figure 6
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BCR602 hot plug IC with dimming Thermal characteristics 3 Thermal characteristics Figure 6 Maximum permitted effective output source current out of pin DRV into external driver transistor for a design example of 4 mA DC driver
The maximum permitted effective driver source current shown in
Figure 6
can be calculated by following equation: TOTP, on, min − TA−V R S ⋅ Is T I thJA OTP, on, min − T A DRV = V = − IS S VS ⋅ RthJA The equation considers the power dissipation caused by the current consumption of the IC itself. If the driver current exceeds the calculated threshold the lower spec limit of the overtemperature protection will be exceeded and OTP might be triggered. TOTP, on, min The lower spec limit of the overtemperature protection threshold should not be exceeded to avoid triggering the OTP. Datasheet 7 Revision 1.1 2018-12-3 Document Outline Features Protection features Target applications Advantages with respect to discrete solutions Product validation Device information Description Table of contents 1 Pin configuration 2 Functional description 3 Thermal characteristics 4 Absolute maximum ratings 5 Operating conditions 6 Electrical characteristics 7 Package information 8 References Revision history Disclaimer
BCR602 hot plug IC with dimming Thermal characteristics 3 Thermal characteristics Figure 6 Maximum permitted effective output source current out of pin DRV into external driver transistor for a design example of 4 mA DC driver
The maximum permitted effective driver source current shown in
Figure 6
can be calculated by following equation: TOTP, on, min − TA−V R S ⋅ Is T I thJA OTP, on, min − T A DRV = V = − IS S VS ⋅ RthJA The equation considers the power dissipation caused by the current consumption of the IC itself. If the driver current exceeds the calculated threshold the lower spec limit of the overtemperature protection will be exceeded and OTP might be triggered. TOTP, on, min The lower spec limit of the overtemperature protection threshold should not be exceeded to avoid triggering the OTP. Datasheet 7 Revision 1.1 2018-12-3 Document Outline Features Protection features Target applications Advantages with respect to discrete solutions Product validation Device information Description Table of contents 1 Pin configuration 2 Functional description 3 Thermal characteristics 4 Absolute maximum ratings 5 Operating conditions 6 Electrical characteristics 7 Package information 8 References Revision history Disclaimer