main
Ray Publish 0.1.0 9bd4a2a 2d ago

MCP1826S-2502E

Microchip Tech · Power Management Specialized - PMIC · SOT-223-3

MCP1826S-2502E from Microchip Tech, in a SOT-223-3. 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 Input voltage supply; connect the unregulated or regulated source here, with a 1 µF to 10 µF input capacitor typically sufficient if the source is far away or a battery.
2 GND power_in Ground; connect to a quiet circuit ground, it only conducts the LDO quiescent current (typically 120 µA) so a heavy trace is not required.
3 VOUT power_out Regulated output voltage of the LDO; a minimum output capacitance of 1.0 µF is required for stability.

Key specifications

Parameter Value
Manufacturer Microchip Tech
Package SOT-223-3
Category Power Supply Chip
Pins 3

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 Operating Voltage VIN 2.3 6 V Note 1 7
Input Quiescent Current Iq 120 220 µA IL = 0 mA, VOUT = 0.8V to 5.0V 7
Maximum Output Current IOUT 1000 mA VIN = 2.3V to 6.0V, VR = 0.8V to 5.0V, Note 1 7
Line Regulation ΔVOUT/(VOUT x ΔVIN) -0.2 0.05 0.2 %/V Note 1, VIN ≤ 6V (typ ±0.05, max ±0.20) 7
Load Regulation ΔVOUT/VOUT -1 0.5 1 % IOUT = 1 mA to 1000 mA, Note 4 (typ ±0.5) 7
Output Voltage Regulation VOUT -2.5 2.5 V VR - 2.5% to VR + 2.5%, typ VR ±0.5%, Note 2; VR = 2.5V 7
Dropout Voltage VDROPOUT 250 400 mV Note 5, IOUT = 1000 mA, VIN(MIN) = 2.3V 8
Output Short Circuit Current IOUT_SC 2.2 A RLOAD < 0.1, Peak Current 7
Output Noise eN 2 µV/√Hz IOUT = 200 mA, f = 1 kHz, COUT = 10 µF (X7R Ceramic), VOUT = 2.5V 8
Power Supply Ripple Rejection Ratio PSRR 60 dB f = 100 Hz, COUT = 4.7 µF, IOUT = 100 µA, VINAC = 100 mV pk-pk, CIN = 0 µF 9
Thermal Shutdown Temperature TSD 150 °C IOUT = 100 µA, VOUT = 1.8V, VIN = 2.8V 9
Thermal Shutdown Hysteresis TSD 10 °C IOUT = 100 µA, VOUT = 1.8V, VIN = 2.8V 9
Operating Junction Temperature Range TJ -40 125 °C Steady State 9
Maximum Junction Temperature (transient) TJ 150 °C Transient 9
Storage Temperature Range TA -65 150 °C 9
Maximum Voltage on Any Pin -0.3 0.3 V (GND, 0.3V) to (VDD + 0.3)V; max is VDD + 0.3 7
Storage Temperature -65 150 °C 7
Maximum Junction Temperature TJ 150 °C 7
ESD protection HBM 4 kV all pins, HBM 7
ESD protection MM 300 V all pins, MM 7
Thermal Resistance Junction-to-Ambient, 3L-SOT-223 θJA 62 °C/W EIA/JEDEC JESD51-751-7 4 Layer Board 9
Thermal Resistance Junction-to-Case, 3L-SOT-223 θJC 15 °C/W EIA/JEDEC JESD51-751-7 4 Layer Board 9
Output Capacitor (stability) COUT 1 22 µF Minimum required for stability; maximum 22 µF recommended 17

CAD (KiCad official)

  • Symbol: MCP1826S-2502E
  • Footprint: Package_TO_SOT_SMD:SOT-223-3_TabPin2
  • 3D model: SOT-223-3 (KiCad packages3D, STEP)
  • 3D model files: mcp1826s-2502e-etched.step / mcp1826s-2502e-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mcp1826s-2502e.step / mcp1826s-2502e.glb are the bare package body.

Provenance

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

  • Datasheet: Microchip Tech datasheet (42 pp, sha256 b562c08c2a6def16, retrieved 2026-10-24, tier: manufacturer)
  • 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