Datasheet L99VR01 (STMicroelectronics) - 7
| Manufacturer | STMicroelectronics |
| Description | Automotive Linear Voltage Regulator with Configurable Output Voltage having 200mA current capability |
| Pages / Page | 47 / 7 — L99VR01. Thermal data. 2.2. 2.2.1. Thermal resistance. Table 3. Operation … |
| File Format / Size | PDF / 3.9 Mb |
| Document Language | English |
L99VR01. Thermal data. 2.2. 2.2.1. Thermal resistance. Table 3. Operation junction temperature. Value. Item. Symbol. Parameter. Unit
Model Line for this Datasheet
Text Version of Document
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L99VR01 Thermal data 2.2 Thermal data 2.2.1 Thermal resistance Table 3. Operation junction temperature Value Item Symbol Parameter Unit PowerSSO-12 SO-8
Thermal resistance junction to A.001 Rthj-case 8.5 °C/W case Thermal resistance junction to A.057 Rthj-lead 54.5 °C/W lead (1) Thermal resistance junction to A.002 Rthj-amb 27.4 71 °C/W ambient 1. Measured on Vs Note: the values quoted are for PCB 77 mm x 86 mm x 1.6 mm, FR4, four layers; Cu thickness 0.070 mm (outer layers) . Cu thickness 0.035 mm (inner layers), Thermal vias separation 1.2 mm, Thermal via diameter 0.3 mm +/- 0.08 mm, Cu thickness on vias 0.025 mm.
2.2.2 Thermal protection Table 4. Temperature threshold Item Symbol Parameter Test condition Min. Typ. Max. Unit
A.003 T (1) prot_s Thermal protection temperature L99VR01S 150 180 °C A.004 T (1) prot_j Thermal protection temperature L99VR01J 175 200 °C A.005 Tprot_hyst Thermal protection hysteresis 11 °C Operating SO-8 -40 150 A.006 TJ junction TJ °C temperature Power-SSO-12 -40 175 A.007 Tstg Storage temperature Tstg 150 °C 1. Thermal protection is guaranteed by design and characterization.
DS13649
-
Rev 2 page 7/47
Document Outline Cover image Product status link / summary Features Description 1 Block diagram and pins description 2 Electrical specifications 2.1 Absolute maximum ratings 2.2 Thermal data 2.2.1 Thermal resistance 2.2.2 Thermal protection 2.3 Electrical characteristics 2.4 Electrical characteristics curves 3 Test circuit and waveforms plot 3.1 Load regulation 4 Application information 4.1 Voltage regulator 4.2 Output current limitation 4.3 Output voltage selection 4.4 Enable 4.5 Reset 4.6 Autonomous watchdog 4.7 Thermal warning and thermal shutdown 4.8 Overvoltage detection by advanced thermal warning read-out 4.9 Fast output discharge 4.10 Undervoltage lockout UVLO 4.11 Functional safety management 5 Application 6 Package and PCB thermal data 6.1 PowerSSO-12 Thermal data 6.2 SO-8 thermal data 7 Package information 7.1 PowerSSO-12 package information 7.2 SO-8 package information 7.3 PowerSSO-12 packaging information 7.4 SO-8 packaging information 8 Order codes Revision history Contents List of tables List of figures
L99VR01 Thermal data 2.2 Thermal data 2.2.1 Thermal resistance Table 3. Operation junction temperature Value Item Symbol Parameter Unit PowerSSO-12 SO-8
Thermal resistance junction to A.001 Rthj-case 8.5 °C/W case Thermal resistance junction to A.057 Rthj-lead 54.5 °C/W lead (1) Thermal resistance junction to A.002 Rthj-amb 27.4 71 °C/W ambient 1. Measured on Vs Note: the values quoted are for PCB 77 mm x 86 mm x 1.6 mm, FR4, four layers; Cu thickness 0.070 mm (outer layers) . Cu thickness 0.035 mm (inner layers), Thermal vias separation 1.2 mm, Thermal via diameter 0.3 mm +/- 0.08 mm, Cu thickness on vias 0.025 mm.
2.2.2 Thermal protection Table 4. Temperature threshold Item Symbol Parameter Test condition Min. Typ. Max. Unit
A.003 T (1) prot_s Thermal protection temperature L99VR01S 150 180 °C A.004 T (1) prot_j Thermal protection temperature L99VR01J 175 200 °C A.005 Tprot_hyst Thermal protection hysteresis 11 °C Operating SO-8 -40 150 A.006 TJ junction TJ °C temperature Power-SSO-12 -40 175 A.007 Tstg Storage temperature Tstg 150 °C 1. Thermal protection is guaranteed by design and characterization.
DS13649
-
Rev 2 page 7/47
Document Outline Cover image Product status link / summary Features Description 1 Block diagram and pins description 2 Electrical specifications 2.1 Absolute maximum ratings 2.2 Thermal data 2.2.1 Thermal resistance 2.2.2 Thermal protection 2.3 Electrical characteristics 2.4 Electrical characteristics curves 3 Test circuit and waveforms plot 3.1 Load regulation 4 Application information 4.1 Voltage regulator 4.2 Output current limitation 4.3 Output voltage selection 4.4 Enable 4.5 Reset 4.6 Autonomous watchdog 4.7 Thermal warning and thermal shutdown 4.8 Overvoltage detection by advanced thermal warning read-out 4.9 Fast output discharge 4.10 Undervoltage lockout UVLO 4.11 Functional safety management 5 Application 6 Package and PCB thermal data 6.1 PowerSSO-12 Thermal data 6.2 SO-8 thermal data 7 Package information 7.1 PowerSSO-12 package information 7.2 SO-8 package information 7.3 PowerSSO-12 packaging information 7.4 SO-8 packaging information 8 Order codes Revision history Contents List of tables List of figures
