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XC9133B02AMR-G

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Torex Semicon DC-DC Converters, SOT-25-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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XC9133B02AMR-G

Torex Semicon · DC-DC Converters · SOT-25-5

XC9133B02AMR-G from Torex Semicon, in a SOT-25-5. 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 Lx output Switch pin that connects to the anode of the Schottky barrier diode and the inductor; the absolute maximum Lx pin voltage is 22.0V and the Lx overvoltage limit is 19V (TYP.).
2 VSS power_in Ground pin; the absolute maximum rating for the VIN, FB and CE pins is referenced to VSS (VSS - 0.3V to 7.0V for those pins).
3 FB input Voltage feedback pin with a 0.2V reference (0.19V to 0.21V); the LED-current set resistor RLED connects here with RLED = 0.2 / ILED, and the absolute maximum FB pin voltage is 7.0V.
4 CE input Chip enable pin where the IC is enabled above 0.65V and disabled below 0.2V, and which accepts PWM dimming up to 10kHz; the absolute maximum CE pin voltage is 7.0V.
5 VIN power_in Power input with an operating range of 2.5V to 6.0V and an absolute maximum rating of 7.0V; an inductor and input bypass capacitor CIN (4.7µF) are connected here.

Key specifications

Parameter Value
Manufacturer Torex Semicon
Package SOT-25-5
Category Power Management ICs
Pins 5

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
FB Voltage VFB 0.19 0.2 0.21 V 4
Input Voltage Range VIN 2.5 6 V 4
Output Voltage Range VOUTSET 17.5 V 4
Supply Current 1 IDD1 420 720 μA 4
Supply Current 2 IDD2 60 140 μA VIN=VLx, FB=0.4V 4
Stand-by Current ISTB 0 1 μA CE=0V, VLx=5.0V 4
Oscillation Frequency fOSC 0.8 1 1.2 MHz 4
Maximum Duty Cycle MAXDTY 86 92 98 % 4
Current Limit ILIM 260 360 460 mA When connected to ext. components, VIN=3.6V 4
Lx Overvoltage Limit VLxOVL 18 19 22 V Voltage which Lx pin voltage holding "High" level; VIN ≧ 2.5V 4
Lx Leakage Current ILxL 0 1 μA Same as ISTB 4
CE High Voltage VCEH 0.65 6 V CE applied voltage when Lx starts oscillation 4
CE Low Voltage VCEL 0.2 V CE applied voltage which Lx pin voltage holding "High" level 4
CE High Current ICEH -0.1 0.1 μA Same as IDD2 4
CE Low Current ICEL -0.1 0.1 μA Same as ISTB 4
FB High Current IFBH -0.1 0.1 μA Same as IDD2 4
FB Low Current IFBL -0.1 0.1 μA Same as ISTB 4
VIN Pin Voltage VIN 7 V 3
Lx Pin Voltage VLx 22 V 3
FB Pin Voltage VFB 7 V 3
CE Pin Voltage VCE 7 V 3
Lx Pin Current ILx 1000 mA 3
Power Dissipation Pd 250 mW Ta = 25℃ 3
Operating Ambient Temperature Topr -40 85 ℃ 3
Storage Temperature Tstg -55 125 ℃ 3
Efficiency EFFI 85 % When connected to ext. components, VIN=3.6V, RLED=20Ω 4
Lx ON Resistance RSWON 2.4 Ω VIN=3.6V, VLx=0.4V (*3) 4

CAD (KiCad official)

  • Symbol: XC9133B02AMR-G
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-25-5 (KiCad packages3D, STEP)
  • 3D model files: xc9133b02amr-g-etched.step / xc9133b02amr-g-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); xc9133b02amr-g.step / xc9133b02amr-g.glb are the bare package body.

Provenance

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

  • Datasheet: Torex Semicon datasheet (15 pp, sha256 bd06b552b63db076, retrieved 2026-10-29, 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