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MIC5504-2.5YM5-TR

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Microchip Tech Linear Voltage Regulators (LDO), SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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MIC5504-2.5YM5-TR

Microchip Tech · Linear Voltage Regulators (LDO) · SOT-23-5

MIC5504-2.5YM5-TR from Microchip Tech, in a SOT-23-5. 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, operating range 2.5V to 5.5V with enable voltage limited to VIN.
2 GND power_in Ground reference pin for the regulator.
3 EN input Active-high enable input (High = ON, Low = OFF) with logic low at most 0.2V and logic high at least 1.2V; the MIC5504 has an internal 4MΩ pull-down so this pin may be left floating.
4 NC unconnected No connection; the pin is not internally connected.
5 VOUT power_out Regulated output voltage; when disabled the MIC5504 switches an internal 25Ω load to discharge the external capacitor.

Key specifications

Parameter Value
Manufacturer Microchip Tech
Package SOT-23-5
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
Supply Voltage (VIN) absolute maximum VIN -0.3 6 V 4
Junction Temperature absolute maximum TJ -40 150 °C 4
Storage Temperature Ts -65 150 °C 4
Enable Voltage (VEN) absolute maximum VEN -0.3 V Upper limit is VIN 4
Lead Temperature (soldering) 260 °C soldering, 10s 4
ESD Rating 3 kV Human body model, 1.5kΩ in series with 100pF 4
Supply Voltage (VIN) operating VIN 2.5 5.5 V 4
Enable Voltage (VEN) operating VEN 0 V Upper limit is VIN 4
Junction Temperature operating TJ -40 125 °C 4
Output Voltage Accuracy VOUT -2 2 % 4
Output Voltage Accuracy over temperature VOUT -3 3 % -40°C to +125°C 4
Line Regulation 0.02 0.3 %/V VIN = VOUT +1V to 5.5V; IOUT = 100µA 4
Load Regulation 8 40 mV IOUT = 100µA to 300mA 4
Dropout Voltage 80 190 mV IOUT = 150mA 4
Dropout Voltage 160 380 mV IOUT = 300mA 4
Ground Pin Current IGND 38 55 µA IOUT = 0mA 4
Ground Pin Current IGND 42 65 µA IOUT = 300mA 4
Ground Pin Current in Shutdown IGND 0.05 1 µA VEN = 0V 4
Current Limit 400 630 900 mA VOUT = 0V 4
Enable Pull-Down Resistor 4 MΩ For MIC5503 and MIC5504 use only 4
Enable Input Voltage Logic Low VEN 0.2 V Logic low 4
Enable Input Voltage Logic High VEN 1.2 V Logic high 4
Enable Input Current MIC5503/MIC5504 IEN 0.01 1 µA VEN = 0V 4
Enable Input Current MIC5503/MIC5504 IEN 1.4 2 µA VEN = 5.5V 4
Turn-On Time 50 125 µs COUT = 1µF; IOUT = 150mA 4
Ripple Rejection 60 dB f = 1kHz; COUT = 1µF 4
Output Voltage Noise 175 µVRMS COUT = 1µF, 10Hz to 100kHz 4
Auto-Discharge NFET Resistance 25 Ω MIC5502, MIC5504 only; VEN = 0V; VIN = 3.6V; IOUT = -3mA 4

CAD (KiCad official)

  • Symbol: MIC5504-2.5YM5-TR
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: mic5504-2-5ym5-tr-etched.step / mic5504-2-5ym5-tr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mic5504-2-5ym5-tr.step / mic5504-2-5ym5-tr.glb are the bare package body.

Provenance

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

  • Datasheet: Microchip Tech datasheet (15 pp, sha256 f7226bc65dd8c84c, retrieved 2026-10-27, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus off (skipped (clean text read)), 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