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Ray Publish 0.1.0 5bc1a17 3d ago

NJM2845DL1-33-TE1

Nisshinbo Micro Devices Inc. · Linear Voltage Regulators (LDO) · TO-252

NJM2845DL1-33-TE1 from Nisshinbo Micro Devices Inc., in a TO-252. 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 pin; absolute maximum +14V, operating range up to Vo+9V, with a 0.33µF or greater input capacitor placed close between VIN and GND.
2 GND power_in Ground pin for the regulator.
3 VOUT power_out Regulated 3.3V output (-33 version) with Io(max) 800mA, requiring a 2.2µF ceramic output capacitor connected to GND.

Key specifications

Parameter Value
Manufacturer Nisshinbo Micro Devices Inc.
Package TO-252
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 tolerance Vo -1 1 % Io=30mA, VIN=Vo+1V 2
Quiescent Current IQ 400 600 µA Io=0mA 2
Output Current Io 800 1050 mA Vo - 0.3V 2
Line Regulation ΔVo/ΔVIN 0.1 %/V VIN=Vo+1V ~ Vo+6V, Io=30mA 2
Load Regulation ΔVo/ΔIo 0.004 %/mA Io=0 ~ 800mA 2
Dropout Voltage ΔVI-O 0.18 0.28 V Io=500mA 2
Ripple Rejection RR 75 dB ein=200mVrms, f=1kHz, Io=10mA, Vo=3V Version 2
Average Temperature Coefficient of Output Voltage ΔVo/ΔTa 50 ppm/°C Ta=0 ~ 85°C, Io=10mA (typ ±50) 2
Output Noise Voltage VNO 45 µVrms f=10Hz ~ 80kHz, Io=10mA, Vo=3V Version 2
Input Voltage VIN 14 V Ta=25°C 2
Power Dissipation (case) PD 10 W Tc≤25°C 2
Power Dissipation (ambient) PD 1 W Ta≤25°C 2
Operating Temperature Topr -40 85 °C 2
Storage Temperature Tstg -40 150 °C 2

CAD (KiCad official)

  • Symbol: NJM2845DL1-33-TE1
  • Footprint: Package_TO_SOT_SMD:TO-252-2
  • 3D model: TO-252 (KiCad packages3D, STEP)
  • 3D model files: njm2845dl1-33-te1-etched.step / njm2845dl1-33-te1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); njm2845dl1-33-te1.step / njm2845dl1-33-te1.glb are the bare package body.

Provenance

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

  • Datasheet: Nisshinbo Micro Devices Inc. datasheet (16 pp, sha256 8e135d6b31295f88, 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