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LD1117T-3.3

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Foshan Blue Rocket Elec Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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LD1117T-3.3

Foshan Blue Rocket Elec · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89

LD1117T-3.3 from Foshan Blue Rocket Elec, in a SOT-89. 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 GND/ADJ power_in Ground pin for the fixed-output LD1117T-3.3; on the adjustable (LD1117T-Adj) variant this pin is the ADJ pin, with adjustment pin current Iadj of 60 uA typical and 120 uA maximum.
2 VOUT power_out Regulated output pin, rated for output current up to 800mA with internal current and thermal limiting.
3 VIN power_in Input supply pin; the absolute maximum input voltage is 15 V and the LD1117T-3.3 operating input range is 4.75 V to 15 V at Io=0mA.

Key specifications

Parameter Value
Manufacturer Foshan Blue Rocket Elec
Package SOT-89
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
Output Voltage Vo 3.234 3.3 3.366 V Vin=5.3V Tj=25℃ Io=10mA 2
Load Regulation △Vo 30 mV Vin=4.75V 0mA≤Io≤800mA 2
Line Regulation △Vo 48 mV 4.75V≤Vin≤15V Io=0mA 3
Operating Input Voltage Vin 15 V 3
Quiescent Current Id 5 10 mA Vin≤15V 3
Output Current Io 600 800 1000 mA Vin-Vo=5V Tj=25℃ 3
Output Noise eN 100 uV 3
Supply Voltage Rejection SVR 60 75 dB Io=40mA f=120Hz, Tj=25℃ Vin-Vo=3V, Vripple=1Vpp 4
Dropout Voltage Vd 1.1 V Io=100mA 4
Dropout Voltage Vd 1.15 V Io=500mA 4
Dropout Voltage Vd 1.2 V Io=800mA 4
Thermal Regulation 0.01 0.1 %/W Ta=25℃ 30ms Pulse 4
Input Voltage VI 15 V 2
Storage Temperature Range Tstg -40 150 ℃ 2

CAD (KiCad official)

  • Symbol: LD1117T-3.3
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89 (KiCad packages3D, STEP)
  • 3D model files: ld1117t-3-3-etched.step / ld1117t-3-3-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ld1117t-3-3.step / ld1117t-3-3.glb are the bare package body.

Provenance

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

  • Datasheet: Foshan Blue Rocket Elec datasheet (9 pp, sha256 2e60e59af1d84aaf, retrieved 2026-11-05, 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