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EA9103D28T5R

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

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EA9103D28T5R

Everanalog IC design · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-5

EA9103D28T5R from Everanalog IC design, 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 Power input voltage pin; the recommended input range is +2V to +7V, with an absolute maximum of -0.3V to +9V.
2 GND power_in Ground pin.
3 EN input Enable pin that must not be left floating: the LDO turns on when EN is above 1.2V and shuts down when EN falls below 0.4V.
4 NC unconnected Not connected.
5 VOUT power_out Output voltage pin of the LDO regulator, rated for up to 500mA output current.

Key specifications

Parameter Value
Manufacturer Everanalog IC design
Package SOT-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 ΔVOUT -1.5 1.5 % IOUT = 1mA 4
Quiescent Current IQ 0.3 0.8 uA VEN ≥ 1.2V, IOUT = 0mA 4
Dropout Voltage VDROP 220 260 mV IOUT = 200mA, VOUT > 2.8V 4
Dropout Voltage VDROP 370 410 mV IOUT = 300mA, VOUT > 2.8V 4
EN Threshold High Voltage VIH 1.2 V VIN = 3V to 5.5V, Start-up 4
EN Threshold Low Voltage VIL 0.4 V VIN = 3V to 5.5V, Shutdown 4
Input Operating Voltage Range VIN 2 7 V 3
Ambient Temperature Range TA -40 85 °C 3
Junction Temperature Range TJ -40 125 °C 3
Input Supply Voltage VIN -0.3 9 V 3
Output Voltage VOUT -0.3 V max (VIN+0.3)V 3
Output Current IOUT 550 mA 3
Lead Temperature (Soldering) 260 °C 10 sec 3
Storage Temperature Range TS -55 150 °C 3
ESD Susceptibility (HBM) 2 kV HBM 3
ESD Susceptibility (MM) 200 V MM 3
Output Loading Current ILOAD 500 mA VEN = VIN, VIN >2.2V 4
Current Limit ILIM 550 mA 4
Short Circuit Current ISC 90 mA RLOAD = 1Ω 4
Line Regulation ΔVLINE 0.3 % VIN = (VOUT+1V) to 7V, IOUT = 1mA 4
Load Regulation ΔLOAD 35 mV 1mA < IOUT < 300mA 4
Standby Current ISTBY 0.1 uA VEN = GND, Shutdown 4
EN Leakage Current IEN 0.1 uA 4
Output Noise Voltage 100 uVRMS 10Hz to 100kHz, IOUT = 200mA, COUT = 1uF 4
Power Supply Rejection Rate PSRR -70 dB f = 1kHz, COUT = 1uF, IOUT = 100mA 4
Power Supply Rejection Rate PSRR -65 dB f = 10kHz 4
Thermal Shutdown Threshold TSD 165 °C 4
Thermal Resistance (θJC) θJC 125 °C/W SOT-23-5/DFN 1x1-4L 3
Thermal Resistance (θJA) θJA 220 °C/W SOT-23-5/DFN 1x1-4L 3
Power Dissipation at TA=25°C (PDmax) PDmax 0.55 W TA=25°C 3

CAD (KiCad official)

  • Symbol: EA9103D28T5R
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: ea9103d28t5r-etched.step / ea9103d28t5r-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ea9103d28t5r.step / ea9103d28t5r.glb are the bare package body.

Provenance

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

  • Datasheet: Everanalog IC design datasheet (9 pp, sha256 1eb402bcddfae07f, retrieved 2026-10-18, 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