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TOP224YN

Public Made by Adom

by adom

POWER INTEGRATIONS AC-DC Controllers And Regulators, TO-220. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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TOP224YN

POWER INTEGRATIONS · AC-DC Controllers And Regulators · TO-220

TOP224YN from POWER INTEGRATIONS, in a TO-220. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 CONTROL input Error amplifier and feedback current input for duty cycle control, also the connection for the supply bypass and auto-restart/compensation capacitor, with VC regulated at typically 5.7 V in shunt mode and 4.7 to 5.7 V in auto-restart.
2 SOURCE power_in Output MOSFET source connection for high voltage power return and primary-side circuit common and reference point; the tab is internally connected to this pin.
3 DRAIN output Output MOSFET drain connection that provides start-up bias current through an internal switched high-voltage current source and serves as the internal current sense point, with a rated DRAIN voltage of -0.3 to 700 V.

Key specifications

Parameter Value
Manufacturer POWER INTEGRATIONS
Package TO-220
Category Power Management (PMIC)
Pins 3

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
DRAIN Voltage -0.3 700 V All voltages referenced to SOURCE, TA = 25 °C 10
CONTROL Voltage -0.3 9 V All voltages referenced to SOURCE, TA = 25 °C 10
CONTROL Current 100 mA 10
Storage Temperature -65 150 °C 10
Operating Junction Temperature -40 150 °C 10
Output Frequency f_OSC 90 100 110 kHz SOURCE = 0 V; TJ = -40 to 125 °C (unless otherwise specified) 10
Maximum Duty Cycle DMAX 64 67 70 % SOURCE = 0 V; TJ = -40 to 125 °C (unless otherwise specified) 10
Minimum Duty Cycle DMIN 0.7 1.7 2.7 % SOURCE = 0 V; TJ = -40 to 125 °C (unless otherwise specified) 10
PWM Gain -21 -16 -11 %/mA SOURCE = 0 V; TJ = -40 to 125 °C (unless otherwise specified) 10
External Bias Current I_B 0.8 2 3.3 mA SOURCE = 0 V; TJ = -40 to 125 °C (unless otherwise specified) 10
Dynamic Impedance Z_C 10 15 22 Ω SOURCE = 0 V; TJ = -40 to 125 °C (unless otherwise specified) 10
CONTROL Pin Charging Current I_C -2.4 -1.9 -1.2 mA SOURCE = 0 V; TJ = -40 to 125 °C (unless otherwise specified) 10
Charging Current (second listed row) -2 -1.5 -0.8 mA SOURCE = 0 V; TJ = -40 to 125 °C (unless otherwise specified) 10
Auto-restart Threshold Voltage VC(AR) 4.4 4.7 5 V SOURCE = 0 V; TJ = -40 to 125 °C (unless otherwise specified) 11
Auto-restart Hysteresis Voltage 0.6 1 V SOURCE = 0 V; TJ = -40 to 125 °C (unless otherwise specified) 11
Auto-restart Duty Cycle 2 5 9 % SOURCE = 0 V; TJ = -40 to 125 °C (unless otherwise specified) 11
Auto-restart Frequency 2 5 8 Hz SOURCE = 0 V; TJ = -40 to 125 °C (unless otherwise specified) 11
Self-protection Current Limit (TOP224YN) I_LIMIT 1.35 1.5 1.65 A di/dt = 240 mA/µs, TJ = 25 °C 11
Thermal Shutdown Temperature 125 135 °C SOURCE = 0 V; TJ = -40 to 125 °C (unless otherwise specified) 12
Power-up Reset Threshold Voltage VC(RESET) 2 3.3 4.3 V IC = 4 mA 12
ON-State Resistance (TJ = 25 °C) RDS(ON) 5.2 6 Ω TOP224 TJ = 25 °C, ID = 150 mA 12
ON-State Resistance (TJ = 100 °C) RDS(ON) 8.6 10 Ω TOP224 TJ = 100 °C, ID = 150 mA 12
OFF-State Current IDSS 250 µA VDS = 560 V, TA = 125 °C 12
Breakdown Voltage BVDSS 700 V ID = 100 µA, TA = 25 °C 12
Rise Time t_R 100 ns Measured in a Typical Flyback Converter Application 12
Fall Time t_F 50 ns Measured in a Typical Flyback Converter Application 12
Shunt Regulator Voltage VC(SHUNT) 5.5 5.7 6 V SOURCE = 0 V; TJ = -40 to 125 °C (unless otherwise specified) 13
Shunt Regulator Temperature Drift -50 50 ppm/°C SOURCE = 0 V; TJ = -40 to 125 °C (unless otherwise specified) 13
CONTROL Supply/Discharge Current (ICD1) I_CD1 0.6 1.2 1.6 mA SOURCE = 0 V; TJ = -40 to 125 °C (unless otherwise specified) 13
CONTROL Supply/Discharge Current (ICD2) I_CD2 0.7 1.4 1.8 mA SOURCE = 0 V; TJ = -40 to 125 °C (unless otherwise specified) 13
Thermal Resistance Junction-to-Ambient, Y package θJA 70 °C/W Free standing with no heat sink 10
Thermal Resistance Junction-to-Case, Y package θJC 2 °C/W Measured at tab closest to plastic interface or SOURCE pin 10
PWM Gain Temperature Drift -0.05 %/mA/°C SOURCE = 0 V; TJ = -40 to 125 °C (unless otherwise specified) 10
Dynamic Impedance Temperature Drift 0.18 %/°C SOURCE = 0 V; TJ = -40 to 125 °C (unless otherwise specified) 10
Charging Current Temperature Drift 0.4 %/°C SOURCE = 0 V; TJ = -40 to 125 °C (unless otherwise specified) 10

CAD (KiCad official)

  • Symbol: TOP224YN
  • Footprint: Package_TO_SOT_THT:TO-220-3_Vertical
  • 3D model: TO-220 (KiCad packages3D, STEP)
  • 3D model files: top224yn-etched.step / top224yn-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); top224yn.step / top224yn.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: POWER INTEGRATIONS datasheet (20 pp, sha256 76d8469564658141, retrieved 2026-10-20, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF