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IL2596-12D2T-P

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IKSEMICON DC-DC Converters, TO-263-5L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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IL2596-12D2T-P

IKSEMICON · DC-DC Converters · TO-263-5L

IL2596-12D2T-P from IKSEMICON, in a TO-263-5L. 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 VIN power_in Unregulated DC input supply pin, operating range 4.5 to 40 V (absolute maximum 45 V), bypassed by input capacitor CIN.
2 OUTPUT output Switching output of the regulator, connected to the catch diode and inductor L1; output voltage to ground rating is -1 V.
3 GND power_in Ground pin of the regulator.
4 FEEDBACK input Feedback sense input connected to the regulated output; allowed range is -0.3 V to +25 V and the adjustable version regulates this pin to 1.23 V.
5 ON/OFF input Active-low shutdown input; below about 1.3 V the regulator is on, above 1.3 V it is off (standby), and the pin is limited to -0.3 V to +25 V.
6 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer IKSEMICON
Package TO-263-5L
Category Power Management (PMIC)
Pins 6

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Output Voltage (12V version) VOUT 11.52 12 12.48 V 15V ≤ VIN ≤ 40V, 0.2A ≤ ILOAD ≤ 3A 3
Oscillator Frequency fO 110 150 173 kHz 3
Saturation Voltage VSAT 1.16 1.4 V IOUT = 3A (Note 1,2) 3
Current Limit ICL 3.4 4.5 6 A Peak Current (Note 1,2) 3
Output Leakage Current IL 50 mA Output = 0V (Note 1,3) 3
Output Leakage Current IL 2 30 mA Output = -1V, VIN = 40V 3
Quiescent Current IQ 5 10 mA (Note 3) 3
Standby Quiescent Current ISTBY 100 200 mA ON/OFF pin = 5V (OFF), VIN = 40V 3
ON/OFF Pin Logic Input Threshold Voltage (high level) VIH 2 V 3
ON/OFF Pin Logic Input Threshold Voltage (low level) VIL 0.6 V 3
ON/OFF Pin Input Current (high) IH 5 15 mA VLOGIC = 2.5V (regulator OFF) 3
ON/OFF Pin Input Current (low) IL 0.02 5 mA VLOGIC = 0.5V (regulator ON) 3
Efficiency (12V version) 90 % VIN = 25V, ILOAD = 3A 3
Max Duty Cycle (ON) DC 100 % (Note 2) 3
Max Duty Cycle (OFF) 0 (Note 3) 3
ON/OFF Pin Logic Input Threshold Voltage (typical) 1.3 V 3
Max Input Supply Voltage VI 45 V TA = 25°C 2
ON/OFF Pin Input Voltage VIN -0.3 25 V 2
Feedback Pin Voltage -0.3 25 V 2
Output Voltage to Ground VO -1 V 2
Storage Temperature Range Tstg -65 150 °C 2
Operating Temperature Range TJ -40 125 °C 2
Operating Supply Voltage VIN 4.5 40 V 2

CAD (KiCad official)

  • Symbol: IL2596-12D2T-P
  • Footprint: Package_TO_SOT_SMD:TO-263-5_TabPin6
  • 3D model: TO-263-5L (KiCad packages3D, STEP)
  • 3D model files: il2596-12d2t-p-etched.step / il2596-12d2t-p-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); il2596-12d2t-p.step / il2596-12d2t-p.glb are the bare package body.

Provenance

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

  • Datasheet: IKSEMICON datasheet (12 pp, sha256 2efbec09f05c47bd, retrieved 2026-10-18, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-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