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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.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownIL2596-12D2T-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.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);il2596-12d2t-p.step/il2596-12d2t-p.glbare 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, primaryclaude-sonnet-5-5(text+vision), consensusclaude-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).