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XC6504A121MR-G

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Torex Semicon Linear Voltage Regulators (LDO), SOT-25. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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XC6504A121MR-G

Torex Semicon · Linear Voltage Regulators (LDO) · SOT-25

XC6504A121MR-G from Torex Semicon, in a SOT-25. 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 Power supply input; operating input voltage range is 1.4V to 6.0V (absolute maximum 6.5V).
2 VSS power_in Ground pin; all voltages are referenced to VSS.
3 CE input ON/OFF control: L (VSS to 0.38V) is stand-by, H (0.91V to 6.00V) is active, and the pin must not be left open because the state is unstable.
4 NC unconnected No connection.
5 VOUT power_out Regulated output (1.2V for this part, 150mA minimum maximum output current) with CL auto-discharge to VSS when CE is low.

Key specifications

Parameter Value
Manufacturer Torex Semicon
Package SOT-25
Category Power Supply Chip
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
Input Voltage VIN 1.4 6 V IOUT=1μA 5
Output Voltage VOUT(E) 1.18 1.22 V VOUT(T)=1.2V, IOUT=1mA, VIN=3.5V 6
Maximum Output Current IOUTMAX 150 mA 5
Load Regulation 1μA to 1mA ΔVOUT 3 16 mV 1μA≦IOUT≦1mA 5
Load Regulation 1mA to 150mA ΔVOUT 17 50 mV 1mA≦IOUT≦150mA 5
Dropout Voltage 1 Vdif1 0.87 1.23 V IOUT=50mA 6
Dropout Voltage 2 Vdif2 1.41 1.93 V IOUT=150mA 6
Supply Current ISS 0.6 1.27 μA IOUT=0mA, VOUT(T)<1.9V 5
Stand-by Current ISTB 0.01 0.1 μA VIN=6.0V, VCE=VSS 5
Line Regulation (IOUT=1μA) ΔVOUT/(ΔVIN・VOUT) 0.01 0.13 %/V IOUT=1μA, VOUT(T)+0.5V≦VIN≦6.0V 5
Line Regulation (IOUT=1mA) ΔVOUT/(ΔVIN・VOUT) 0.01 0.19 %/V IOUT=1mA, VOUT(T)≧1.2V, VOUT(T)+0.5V≦VIN≦6.0V 5
Current Limit ILIM 150 270 mA VOUT=VOUT(E)×0.95 5
Short-Circuit Current ISHORT 80 mA VOUT=VSS 5
CL Auto-Discharge Resistance RDCHG 280 450 640 Ω VCE=VSS, VOUT=VOUT(T) 5
CE H Level Voltage VCEH 0.91 6 V 5
CE L Level Voltage VCEL 0.38 V min printed as VSS 5
CE H Level Current ICEH -0.1 0.1 μA VIN=6.0V 5
CE L Level Current ICEL -0.1 0.1 μA VIN=6.0V, VCE=VSS 5
Input Voltage (abs max) VIN -0.3 6.5 V Ta=25℃ 4
Output Current (abs max) IOUT 470 mA Use within IOUT≦Pd/(VIN-VOUT) 4
Output Voltage (abs max) VOUT -0.3 6.5 V -0.3 ~ VIN+0.3 or 6.5 (lowest value) 4
CE Input Voltage (abs max) VCE -0.3 6.5 V 4
Power Dissipation SOT-25 (IC only) Pd 250 mW IC only 4
Power Dissipation SOT-25 (board) Pd 600 mW 40mm x 40mm Standard board 4
Operating Ambient Temperature Topr -40 85 ℃ 4
Storage Temperature Tstg -55 125 ℃ 4
Output Voltage Temperature Characteristics ΔVOUT/(ΔTopr・VOUT) 50 ppm/℃ IOUT=10mA, -40℃≦Topr≦85℃; printed ±50 5

CAD (KiCad official)

  • Symbol: XC6504A121MR-G
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-25 (KiCad packages3D, STEP)
  • 3D model files: xc6504a121mr-g-etched.step / xc6504a121mr-g-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); xc6504a121mr-g.step / xc6504a121mr-g.glb are the bare package body.

Provenance

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

  • Datasheet: Torex Semicon datasheet (27 pp, sha256 ce98064ab5b3428e, retrieved 2026-10-23, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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