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MIC5319-3.3YD5-TR

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

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MIC5319-3.3YD5-TR

Microchip Tech · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · TSOT-23-5

MIC5319-3.3YD5-TR from Microchip Tech, in a TSOT-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; the datasheet specifies an input voltage range of 2.5V to 5.5V (absolute maximum 6V).
2 GND power_in Ground pin.
3 EN input Active-high enable input: High = ON, Low = OFF; must not be left floating, with VIL ≤ 0.2V and VIH ≥ 1.2V.
4 BYP passive Reference bypass: connect an external 0.1µF capacitor to GND for reduced output noise; may be left open.
5 VOUT power_out Regulated output voltage; the datasheet requires an output capacitor of 2.2µF or greater (low-ESR ceramic) for stability.

Key specifications

Parameter Value
Manufacturer Microchip Tech
Package TSOT-23-5
Category Power Management (PMIC)
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
Output Voltage Accuracy (variation from nominal VOUT) VOUT -1 1 % 4
Output Voltage Accuracy (variation from nominal VOUT, load range) VOUT -2 2 % IOUT = 100mA to 500mA 4
Line Regulation 0.04 0.3 %/V VIN = VOUT +1V to 5.5V 4
Load Regulation 0.1 0.5 % IOUT = 100µA to 500mA 4
Dropout Voltage 20 40 mV IOUT = 50mA 4
Dropout Voltage 200 400 mV IOUT = 500mA 4
Ground Pin Current 90 150 µA IOUT = 0 to 500mA 4
Ground Pin Current in Shutdown 0.5 µA VEN ≤ 0.2V 4
Current Limit 600 700 mA VOUT = 0V 4
Turn-On Time 40 100 µs COUT = 2.2µF; CBYP = 0.1 µF 4
Enable Input Voltage Logic Low (Regulator Shutdown) VIL 0.2 V 4
Enable Input Voltage Logic High (Regulator Enabled) VIH 1.2 V 4
Enable Input Current IEN 0.01 1 µA VIL = ≤ 0.2V (Regulator Shutdown) 4
Supply Input Voltage (operating) VIN 2.5 5.5 V 4
Enable Input Voltage (operating) VEN 0 V maximum is VIN 4
Junction Temperature (operating) TJ -40 125 °C 4
Supply Input Voltage (absolute maximum) VIN 0 6 V 4
Enable Input Voltage (absolute maximum) VEN 0 6 V 4
Junction Temperature (absolute maximum) TJ -40 125 °C 4
Storage Temperature TS -65 150 °C 4
Lead Temperature 260 °C soldering, 5 sec 4
ESD Rating 3 kV Human body model 4

CAD (KiCad official)

  • Symbol: MIC5319-3.3YD5-TR
  • Footprint: Package_TO_SOT_SMD:TSOT-23-5
  • 3D model: TSOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: mic5319-3-3yd5-tr-etched.step / mic5319-3-3yd5-tr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mic5319-3-3yd5-tr.step / mic5319-3-3yd5-tr.glb are the bare package body.

Provenance

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

  • Datasheet: Microchip Tech datasheet (13 pp, sha256 1ab354a5389ef4be, retrieved 2026-10-17, 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