component
VIPER17LN
Public Made by Adomby adom
STMicroelectronics AC-DC Controllers And Regulators, DIP-7. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"title": "VIPER17LN",
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"category": "Power Management (PMIC)",
"subcategory": "AC-DC Controllers And Regulators",
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"description": "This pin represents the device ground and the source of the power section."
},
{
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"name": "VDD",
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"description": "Supply voltage of the control section, operating range 8.5 V to 23.5 V after turn-on, which also provides the charging current of the external capacitor during start-up."
},
{
"number": "3",
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{
"number": "4",
"name": "FB",
"type": "input",
"description": "Control input for duty cycle control where a voltage below 0.5 V activates burst-mode operation and a level close to 3.3 V means approaching the cycle-by-cycle over-current set point."
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{
"number": "5",
"name": "BR",
"type": "input",
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{
"number": "7",
"name": "DRAIN",
"type": "passive",
"description": "High voltage drain pin rated 800 V drain-to-source (ground) voltage, through which the built-in high voltage switched start-up bias current is drawn."
},
{
"number": "8",
"name": "DRAIN",
"type": "passive",
"description": "High voltage drain pin rated 800 V drain-to-source (ground) voltage, through which the built-in high voltage switched start-up bias current is drawn."
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"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The datasheet pin table lists DRAIN as a single entry for pins 7,8; it is split here into two pins, ; The datasheet gives the DIP-7 package with order code VIPER17LN (Table 1), but it does not state a p"
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"at": "2026-11-05T21:34:08"
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{
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"conditions": "mounted on standard single side FR4 board with 200 mm2 (0.31 sq in) Cu (35 m thick)",
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"source": "datasheet"
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{
"name": "Break-down voltage",
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"kind": "electrical",
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"conditions": "IDRAIN = 1 mA, VFB = GND, TJ = 25 °C",
"source_page": 7,
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{
"name": "OFF state drain current",
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"kind": "electrical",
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"name": "Drain-source on state resistance",
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"conditions": "IDRAIN = 0.2 A, VFB = 3 V, VBR = GND, TJ = 25 °C",
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"conditions": "IDRAIN = 0.2 A, VFB = 3 V, VBR = GND, TJ = 125 °C",
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"source": "datasheet"
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{
"name": "Drain-source start voltage",
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"kind": "electrical",
"unit": "V",
"min": 60,
"typ": 80,
"max": 100,
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{
"name": "Start up charging current",
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"conditions": "VDRAIN = 120 V, VBR = GND, VFB = GND, VDD = 4 V",
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{
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"conditions": "VDRAIN = 120 V, VBR = GND, VFB = GND, VDD = 4 V after fault.",
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{
"name": "Operating voltage range",
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"conditions": "After turn-on",
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{
"name": "VDD start up threshold",
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"unit": "V",
"min": 13,
"typ": 14,
"max": 15,
"conditions": "VDRAIN = 120 V, VBR = GND, VFB = GND",
"source_page": 7,
"source": "datasheet"
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{
"name": "VDD under voltage shutdown threshold",
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"min": 7.5,
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{
"name": "VDD restart voltage threshold",
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"conditions": "VDRAIN = 120 V, VBR = GND, VFB = GND",
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{
"name": "Over load shut down threshold",
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{
"name": "Linear dynamics upper limit",
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"conditions": "VFB < 3.3 V",
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{
"name": "∆VFB / ∆ID",
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"typ": 9,
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{
"name": "Max drain current limitation",
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"min": 0.38,
"typ": 0.4,
"max": 0.42,
"conditions": "VFB = 4 V, ICONT = -10 µA, TJ = 25 °C",
"source_page": 8,
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{
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{
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{
"name": "Maximum duty cycle",
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{
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{
"name": "Current hysteresis",
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"min": 7,
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{
"name": "Operating range",
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{
"name": "Brown out disable voltage",
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{
"name": "VDD clamp voltage",
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{
"name": "Operating supply current, not switching",
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{
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"conditions": "Voltage rising",
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"source": "datasheet"
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{
"name": "Feedback sourced current",
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"max": null,
"conditions": "3.3 V < VFB < 4.8 V",
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{
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{
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{
"name": "Minimum turn ON time",
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{
"name": "Propagation delay",
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