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Contents

README

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MP20056GJ-25-Z

Monolithic Power Systems · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · TSOT-23-5

MP20056GJ-25-Z from Monolithic Power Systems, 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 Regulator input with a supply voltage range of 2.5V to 5.5V; bypass with a 2.2μF capacitor and keep it externally connected for proper operation.
2 GND power_in Ground reference pin of the regulator; the exposed-pad GND plane connection recommendation applies to the QFN-8 package, not to TSOT23-5.
3 EN input Regulator enable control input: drive above 1.5V to turn the MP20056 on and below 0.4V to turn it off, and do not float the pin.
4 FB input Feedback input connected to the center point of the external resistor divider, with a feedback threshold voltage of 0.8V.
5 VOUT power_out Regulator output; bypass with a standard 4.7μF ceramic capacitor to GND.

Key specifications

Parameter Value
Manufacturer Monolithic Power Systems
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
Input Voltage 2.5 5.5 V 5
FB Voltage 0.784 0.8 0.816 V VOUT=0.8V, IOUT=1mA, Tj=25°C 5
Output Voltage Accuracy -2 2 % IOUT=1mA, TJ=25°C 5
Short-Circuit Current Limit 350 550 850 mA VOUT=0, VIN≥2.5V 5
In-Regulation Current Limit 300 550 800 mA VOUT within 4% of normal output voltage; VIN=5.5V 5
Ground Current 150 250 μA IOUT=0.1mA 5
Ground Current 220 330 μA IOUT=250mA 5
Line Regulation -0.15 0.15 %/V VIN from VOUT+0.5V or 2.5V to 5.5V, IOUT=100mA 5
Load Regulation -0.4 0.4 % IOUT from 100mA to 250mA, VOUT=2.5V 5
EN Pin Threshold, EN Logic High 1.5 V 5
EN Pin Threshold, EN Logic Low 0.4 V 5
Startup Time 100 450 μs COUT=4.7μF, VOUT=10% to 90%VOUT(NOM), VOUT=3.3V, 2.5V 5
Shutdown Supply Current 0.1 0.3 μA VIN=+5.5V, TJ=25°C 5
EN Pin Current, Enabled 0.1 0.3 μA VIN=VEN=+5.5V 5
VIN, EN, FB to GND -0.3 6 V 4
OUT to GND -0.5 V upper limit printed as (VIN + 0.5V) 4
Continuous Power Dissipation, TSOT23-5 PD 0.57 W TA=25°C 4
Junction Temperature 150 °C 4
Storage Temperature Range -65 150 °C 4
Lead Temperature (Soldering) 260 °C 10 sec 4
ESD HBM 2 kV Human Body Model 4
ESD MM 200 V Machine Model 4
Supply Input Voltage 2.5 5.5 V 4
Enable Input Voltage 0 5.5 V 4
Operating Junction Temperature TJ -40 125 °C 4
Thermal Resistance Junction-to-Ambient, TSOT23-5 θJA 220 °C/W Measured on JESD51-7, 4-layer PCB 4
Thermal Resistance Junction-to-Case, TSOT23-5 θJC 110 °C/W Measured on JESD51-7, 4-layer PCB 4

CAD (KiCad official)

  • Symbol: MP20056GJ-25-Z
  • Footprint: Package_TO_SOT_SMD:TSOT-23-5
  • 3D model: TSOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: mp20056gj-25-z-etched.step / mp20056gj-25-z-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mp20056gj-25-z.step / mp20056gj-25-z.glb are the bare package body.

Provenance

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

  • Datasheet: Monolithic Power Systems datasheet (16 pp, sha256 a970892e95cbc2c2, retrieved 2026-10-31, 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