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CBM2596DT-3.3

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

componentpower management icscbm2596dt-3.3factory-2.0.0extractor-text

Verified CBM2596DT-3.3

by Ray · last 9 Nov 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

9 Nov 2026RayPublished by the parts factory: tier lcsc, 6 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: CBM2596DT-3.3 · TO-263-5 · 6 pins
  • ✓copper: 6 copper pads, none touching another net
  • ✓datasheet: all 6 pin names found in the 15-page datasheet
  • •distributor (warn): no ['digikey', 'mouser'] number
  • ✓family: TO-263-5_TabPin6
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-bvqy5r7z/x.lbr is a valid EAGLE .lbr with complete deviceset
  • ✓license: CC-BY-SA-4.0
  • ✓models_3d: 2 records
  • •package_fit (skip): no component.package_dims on the page: the model is unchecked against the datasheet drawing
  • ✓pads: 6 pins = 6 pads
  • ✓pose: 2 STEP(s) Z-up, seated, centred
  • ✓symbol: 6 pins agree
  • ✓symbol_text: no pin names collide
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ cbm2596dt-3-3.kicad_sym✓ cbm2596dt-3-3.kicad_mod✓ cbm2596dt-3-3.step
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Contents

README

markdown

CBM2596DT-3.3

Corebai Microelectronics · DC-DC Converters · TO-263-5

CBM2596DT-3.3 from Corebai Microelectronics, 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 Supply input pin; operating supply range is 4.5V to 40V (absolute maximum 45V) and it needs an input capacitor close to the pin.
2 OUTPUT output Switch output pin connected to the inductor and catch diode; output voltage to ground must not go below -1V.
3 GND power_in Ground pin of the regulator.
4 FEEDBACK input Feedback sense input connected to the regulated output; voltage range is -0.3V to +25V.
5 ON/OFF input Shutdown control input; pulling it below about 1.3V turns the regulator on and above 1.3V turns it off, with a voltage range of -0.3V to +25V.
6 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Corebai Microelectronics
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
Output Voltage VOUT 3.168 3.3 3.432 V CBM2596-3, 4.75V≤VIN≤40V, 0.2A≤ILOAD≤3A 3
Maximum Input Supply Voltage VI 45 V 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 ℃ 2
Operating Temperature Range TJ 40 125 ℃ 2
Operating Supply Voltage VIN 4.5 40 V 2
Oscillator Frequency fO 110 150 173 kHz 3
Current Limit ICL 3.4 4.5 6 A Peak Current (Note 1,2) 3
Saturation Voltage VSAT 1.16 1.4 V IOUT = 3A (Note 1,2) 3
Max Duty Cycle (ON) DC 100 % (Note 2) 3
Max Duty Cycle (OFF) DC 0 % (Note 3) 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 (regulator OFF) IH 5 15 μA VLOGIC = 2.5V (regulator OFF) 3
ON/OFF Pin Input Current (regulator ON) IL 0.02 5 μA VLOGIC = 0.5V (regulator ON) 3
Efficiency η 73 % CBM2596-3, ILOAD = 3A 3

CAD (KiCad official)

  • Symbol: CBM2596DT-3.3
  • Footprint: Package_TO_SOT_SMD:TO-263-5_TabPin6
  • 3D model: TO-263-5 (KiCad packages3D, STEP)
  • 3D model files: cbm2596dt-3-3-etched.step / cbm2596dt-3-3-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cbm2596dt-3-3.step / cbm2596dt-3-3.glb are the bare package body.

Provenance

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

  • Datasheet: Corebai Microelectronics datasheet (15 pp, sha256 2fcff6f8c7808777, retrieved 2026-11-09, 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