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BDJ2FA1FP3-ZTL

ROHM Semicon · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89-3

BDJ2FA1FP3-ZTL from ROHM Semicon, 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 Vo power_out Regulated output pin, which is 12.0V for this J2 variant with ±1% accuracy and up to 0.1A output current, and needs a 0.3µF to 1.0µF ceramic capacitor to GND.
2 GND power_in Ground pin that must be the lowest voltage of all IC pins under all operating conditions, and it is internally connected to the FIN heat tab.
3 Vcc power_in Input supply pin with a recommended range of Vo+3.0V to 25.0V and an absolute maximum rating of -0.3V to +30.0V.

Key specifications

Parameter Value
Manufacturer ROHM Semicon
Package SOT-89-3
Category Power Management (PMIC)
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
Bias current ICC 400 600 μA IO=0A, Vo=12.0V 3
Line regulation Reg.I -1 0.5 1 % VCC =( Vo+3V )→25.0V 3
Load regulation Reg IO -1.5 0.5 1.5 % IO=0→0.1A 3
Minimum dropout voltage VCO 1 3 V IO=0.1A 3
Input power supply voltage VCC 25 V 3
Output current IO 0 0.1 A 3
Output capacitor COUT 0.3 1 μF Ceramic capacitor recommended 3
Power supply voltage VCC -0.3 30 V Not to exceed Pd 3
Output voltage Vo -0.3 18 V 3
Power dissipation SOT89-3K Pd 1.67 W Ta≧25°C, reduced by 13.4mW/°C 3
Operating temperature range Ta -25 85 °C 3
Storage temperature range Tstg -55 150 °C 3
Maximum junction temperature Tjmax 150 °C 3
Output voltage VO 12 V IO=0A 3
Thermal resistance junction-to-ambient SOT89-3K θj-a 74.8 °C/W Mounted on 4-layer JEDEC PCB, 114.3mm×76.2mm×1.6mm 8

CAD (KiCad official)

  • Symbol: BDJ2FA1FP3-ZTL
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89-3 (KiCad packages3D, STEP)
  • 3D model files: bdj2fa1fp3-ztl-etched.step / bdj2fa1fp3-ztl-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bdj2fa1fp3-ztl.step / bdj2fa1fp3-ztl.glb are the bare package body.

Provenance

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

  • Datasheet: ROHM Semicon datasheet (17 pp, sha256 793b65aca723a100, retrieved 2026-10-21, 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