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TPL820F50-89TR

Public Made by Adom

by adom

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

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TPL820F50-89TR

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

TPL820F50-89TR from 3PEAK, 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 OUT power_out Regulated output voltage pin; for the TPL820F50 (5.0 V fixed) it supplies the regulated 5.0 V output, with an absolute maximum VOUT of 6 V referenced to GND.
2 GND power_in Ground reference pin that should be connected directly to the PCB ground plane, and the thermal pad must also be connected to the ground plane for maximum thermal performance.
3 IN power_in Input voltage pin; the recommended operating input range is 3.6 V to 42 V, with an absolute maximum VIN of 45 V referenced to GND.

Key specifications

Parameter Value
Manufacturer 3PEAK
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
VIN Maximum Input Voltage VIN -0.3 45 V 7
VOUT Maximum Output Voltage VOUT -0.3 6 V 7
Maximum Operating Power Dissipation PD 1.5 W 7
Junction Temperature Range TJ -40 150 °C 7
Storage Temperature Range TSTG -65 150 °C 7
Lead Temperature (Soldering) TL 260 °C Soldering 10 sec 7
Input Voltage VIN 3.6 42 V 7
Output Voltage VOUT 1.2 5 V 7
Output Current IOUT 0 200 mA 7
Operating Junction Temperature Range TJ -40 125 °C 7
Operating Ambient Temperature Range TA -40 85 °C 7
Power Dissipation (SOT89-3 Package) PD 0 1000 mW SOT89-3 Package 7
Input voltage range VIN 3.6 42 V 8
Output voltage accuracy VOUT -1 1 % TJ = +25°C 8
Output voltage accuracy VOUT -2 2 % -40°C ≤ TJ ≤ +125°C 8
Dropout voltage VDO 200 600 mV VIN = 0.98 × VOUT(NOM), IOUT = 50 mA 8
Output current IOUT 0 200 mA VOUT in regulation 8
Output current limit ICL 250 800 mA VOUT = 0.9 × VOUT(NOM) 8
Ground pin current IGND 2 5 µA IOUT = 0 mA 8
Ground pin current IGND 400 µA IOUT = 200 mA 8
Line regulation ΔVOUT 3 mV VIN = VOUT(NOM) + 1 V to 42 V, or VIN ≥ 3.6 V, IOUT = 1 mA 8
Load regulation ΔVOUT 20 mV IOUT = 1 mA to 200 mA 8
Dropout voltage VDO 800 mV VIN = 0.98 × VOUT(NOM), IOUT = 200 mA 8
Under-voltage lock-out threshold UVLO 2.9 V VIN rising 8
Power supply rejection ratio PSRR 75 dB IOUT = 10 mA, f = 100 Hz, COUT = 4.7 µF 8
Power supply rejection ratio PSRR 65 dB IOUT = 10 mA, f = 1 kHz, COUT = 4.7 µF 8
Output noise voltage VN 110 µVRMS IOUT = 10 mA, BW = 10 Hz to 100 kHz 8
Output noise voltage VN 70 µVRMS IOUT = 10 mA, BW = 100 Hz to 100 kHz 8
Thermal shutdown temperature TSD 160 ºC 8
Thermal shutdown hysteresis 40 ºC 8
Junction-to-ambient thermal resistance θJA 55 °C/W SOT89-3 package 7
Junction-to-case thermal resistance θJC 88 °C/W SOT89-3 package 7

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts copper capacitor connection, IN pin and the GND pin of the system must be as small as possible. • It is recommended to use wide trace lengths or thick copper weight to minimize I×R drop and heat dissipation. 13

CAD (KiCad official)

  • Symbol: TPL820F50-89TR
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89-3 (KiCad packages3D, STEP)
  • 3D model files: tpl820f50-89tr-etched.step / tpl820f50-89tr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tpl820f50-89tr.step / tpl820f50-89tr.glb are the bare package body.

Provenance

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

  • Datasheet: 3PEAK datasheet (16 pp, sha256 9a3cb9886b82f6b0, retrieved 2026-10-19, 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