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NJM78L05SU3-TE1

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Nisshinbo Micro Devices Inc. Linear Voltage Regulators (LDO), SOT-89-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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NJM78L05SU3-TE1

Nisshinbo Micro Devices Inc. · Linear Voltage Regulators (LDO) · SOT-89-3

NJM78L05SU3-TE1 from Nisshinbo Micro Devices Inc., in a SOT-89-3. 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 VOUT power_out Regulated 5V output (4.8 to 5.2V at VIN=10V, IO=40mA), up to 100mA max; requires output capacitor CO of 0.1µF or larger connected to GND as short as possible.
2 GND power_in Ground pin common to input and output.
3 VIN power_in Unregulated input voltage, absolute maximum 30V for NJM78L05S; requires input capacitor CIN of 0.33µF or larger connected to GND as short as possible.

Key specifications

Parameter Value
Manufacturer Nisshinbo Micro Devices Inc.
Package SOT-89-3
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
Output Voltage VO 4.8 5 5.2 V VIN=10V, IO=40mA 3
Line Regulation 1 ΔVO-VIN1 200 mV VIN=7V to 20V, IO=40mA 3
Line Regulation 2 ΔVO-VIN2 150 mV VIN=8V to 20V, IO=40mA 3
Load Regulation 1 ΔVO-IO1 30 mV VIN=10V, IO=1 to 40mA 3
Load Regulation 2 ΔVO-IO2 60 mV VIN=10V, IO=1 to 100mA 3
Quiescent Current IQ 2 6 mA VIN=10V, IO=0mA 3
Ripple Rejection RR 40 69 dB 8V<VIN<18V, IO=40mA, ein=1VP-P, f=120Hz 3
Average Temperature Coefficient of Output Voltage ΔVO/ΔT 0.4 mV/ºC VIN=10V, IO=1mA 3
Output Noise Voltage VNO 70 µVrms VIN=10V, BW=10Hz to 100kHz, IO=40mA 3
Dropout Voltage ΔVIO 1.7 V IO=100mA 3
Input Voltage VIN 30 V NJM78L03S to NJM78L08S, Ta=25ºC 2
Power Dissipation (2 layers) PD 625 mW (*1) glass epoxy board, 2 layers, copper area 100mm2 2
Power Dissipation (4 layers) PD 2400 mW (*2) glass epoxy board, 4 layers 2
Junction Temperature Range Tj -40 150 °C 2
Operating Temperature Range Topr -40 125 °C 2
Storage Temperature Range Tstg -50 150 °C 2

CAD (KiCad official)

  • Symbol: NJM78L05SU3-TE1
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89-3 (KiCad packages3D, STEP)
  • 3D model files: njm78l05su3-te1-etched.step / njm78l05su3-te1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); njm78l05su3-te1.step / njm78l05su3-te1.glb are the bare package body.

Provenance

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

  • Datasheet: Nisshinbo Micro Devices Inc. datasheet (13 pp, sha256 b1e5f3802ec40e9c, retrieved 2026-10-23, tier: lcsc)
  • 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