component
VIPER12ASTR-E
Public Made by Adomby adom
STMicroelectronics AC-DC Controllers and Regulators, SO-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
← Commit history
page.json+7−4@@ -44,19 +44,19 @@ "number": "3", "name": "FB", "type": "input",- "description": "Feedback input. Useful voltage range extends from 0 V to 1 V and defines the peak drain MOSFET current. Current limitation (maximum drain current) is obtained by shorting FB to SOURCE. Input impedance R_FB ~ 1.2 k\u03a9; I_FB shutdown current ~ 0.9 mA."+ "description": "Feedback input. Useful voltage range extends from 0 V to 1 V and defines the peak drain MOSFET current. Current limitation (maximum drain current) is obtained by shorting FB to SOURCE. Input impedance R_FB ~ 1.2 kΩ; I_FB shutdown current ~ 0.9 mA." }, { "number": "4", "name": "VDD", "type": "power_in",- "description": "Power supply of the control circuits (9 V to 38 V operating range). Also provides charging current during start-up via the high-voltage current source connected to DRAIN. Hysteresis comparator monitors VDD with V_DDon \u2248 14.5 V (starts switching, turns off start-up current source) and V_DDoff \u2248 8 V (stops switching, turns on start-up current source). V_DDovp \u2248 42 V overvoltage threshold."+ "description": "Power supply of the control circuits (9 V to 38 V operating range). Also provides charging current during start-up via the high-voltage current source connected to DRAIN. Hysteresis comparator monitors VDD with V_DDon ≈ 14.5 V (starts switching, turns off start-up current source) and V_DDoff ≈ 8 V (stops switching, turns on start-up current source). V_DDovp ≈ 42 V overvoltage threshold." }, { "number": "5", "name": "DRAIN", "type": "power_out",- "description": "Power MOSFET drain. Also used by the internal high-voltage current source during start-up phase to charge the external VDD capacitor. BV_DSS = 730 V. Pins 5, 6, 7, 8 are internally connected together (multiple DRAIN pins improve thermal dissipation - connect all to the drain node and copper pour, at least 200 mm\u00b2 of 35 \u00b5m Cu)."+ "description": "Power MOSFET drain. Also used by the internal high-voltage current source during start-up phase to charge the external VDD capacitor. BV_DSS = 730 V. Pins 5, 6, 7, 8 are internally connected together (multiple DRAIN pins improve thermal dissipation - connect all to the drain node and copper pour, at least 200 mm² of 35 µm Cu)." }, { "number": "6",@@ -138,5 +138,8 @@ "docs/viper12astr-e-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ]+ ],+ "visibility": {+ "public": true+ } }