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IL2596-ADJD2T-P

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

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IL2596-ADJD2T-P

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

IL2596-ADJD2T-P from IKSEMICON, in a TO-263-5. 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 4.5V to 40V (absolute maximum 45V), decoupled with CIN.
2 OUTPUT output Switching output node connected to the inductor L1 and catch diode D1, with output voltage to ground limited to -1V.
3 GND power_in Ground pin, to be kept short and tied to the ground plane.
4 FEEDBACK input Feedback input sensing the regulated output via the R1/R2 divider with a 1.23V reference in the adjustable version, rated -0.3V to +25V.
5 ON/OFF input Active-low shutdown input: below about 1.3V the regulator is ON and above it the regulator is OFF with 100uA typical standby current, rated -0.3V to +25V.
6 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer IKSEMICON
Package TO-263-5
Category Power Management ICs
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
Feedback Voltage VFB 1.193 1.23 1.267 V IL2596-A, 4.5V ≤ VIN ≤ 40V, 0.2A ≤ ILOAD ≤ 3A, VOUT programmed for 3V 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
Feedback Bias Current ID 15 50 nA IL2596-A; VFB = 1.3V 3
Output Leakage Current IL 50 µA 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 µA ON/OFF pin = 5V (OFF), VIN = 40V 3
ON/OFF Pin Input Current (OFF) IH 5 15 µA VLOGIC = 2.5V (regulator OFF) 3
ON/OFF Pin Input Current (ON) IL 0.02 5 µA VLOGIC = 0.5V (regulator ON) 3
ON/OFF Pin Threshold Voltage VIH/VIL 0.6 1.3 2 V Low (Regulator ON) / High (Regulator OFF) 3
Efficiency 73 % IL2596-A, VOUT = 3V, ILOAD = 3A 3
Maximum Input Supply Voltage VI 45 V TA = 25 °C 2
ON/OFF Pin Input Voltage VIN -0.3 25 V TA = 25 °C 2
Feedback Pin Voltage -0.3 25 V TA = 25 °C 2
Output Voltage to Ground VO -1 V TA = 25 °C 2
Storage Temperature Range Tstg -65 150 °C TA = 25 °C 2
Operating Temperature Range TJ -40 125 °C 2
Operating Supply Voltage VIN 4.5 40 V 2

CAD (KiCad official)

  • Symbol: IL2596-ADJD2T-P
  • Footprint: Package_TO_SOT_SMD:TO-263-5_TabPin6
  • 3D model: TO-263-5 (KiCad packages3D, STEP)
  • 3D model files: il2596-adjd2t-p-etched.step / il2596-adjd2t-p-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); il2596-adjd2t-p.step / il2596-adjd2t-p.glb are the bare package body.

Provenance

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

  • Datasheet: IKSEMICON datasheet (12 pp, sha256 7e8dec7c51014c6a, retrieved 2026-10-22, 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