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LTL432ATLT1G

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LRC Voltage References, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Contents

README

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LTL432ATLT1G

LRC · Voltage References · SOT-23

LTL432ATLT1G from LRC, in a SOT-23. 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 CATHODE passive Cathode (K) of the adjustable shunt regulator; cathode voltage up to 20 V, continuous cathode current up to 100 mA, minimum 55 µA for regulation.
2 REF input Reference (R) input that sets the output voltage via an external divider; reference voltage 1.24 V (0.5%) for the A variant, reference current range up to 10 mA.
3 ANODE passive Anode (A) of the shunt regulator, typically connected to ground.

Key specifications

Parameter Value
Manufacturer LRC
Package SOT-23
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
Reference Voltage (1.24V, 0.5%) VREF 1.234 1.24 1.246 V VKA=VREF, IKA=10mA 2
Deviation of Reference Voltage Over Temperature (0 to 70°C) VREF 2 10 mV VKA=VREF, IKA=10mA, 0 to 70°C 2
Deviation of Reference Voltage Over Temperature (-20 to 125°C) VREF 3 15 mV VKA=VREF, IKA=10mA, -20 to 125°C 2
Deviation of Reference Voltage Over Temperature (-40 to 125°C) VREF 8 25 mV VKA=VREF, IKA=10mA, -40 to 125°C 2
Ratio of Change in VREF to Change in Cathode Voltage VREF/VKA -0.5 -1.5 mV/V VKA: VREF to 16V 2
Reference Input Current IREF 0.15 0.4 µA IKA=10mA, R1=10K, R2=∞ 2
Deviation of Reference Current Over Full Temperature Range IREF 0.1 0.4 µA IKA=10mA, R1=10K, R2=∞, TA=-20 to 85°C 2
Minimum Cathode Current for Regulation IKA(MIN) 55 80 µA VKA=VREF 2
Off-State Cathode Current IKA(OFF) 0.04 0.5 µA VREF=0, VKA=18V 2
Off-State Cathode Current IKA(OFF) 0.01 0.05 µA VKA=6V, VREF=0 2
Dynamic Impedance ZKA 0.05 0.15 Ω VKA=VREF, IKA=1 to 100mA, f≤1.0kHz 2
Cathode voltage VKA 20 V 2
Continuous cathode current range IK 100 mA 2
Reference current range IREF 10 mA 2
Operating Ambient Temperature Topr -40 125 °C 2
Operating Junction Temperature Range Tj 150 °C 2

CAD (KiCad official)

  • Symbol: LTL432ATLT1G
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: ltl432atlt1g-etched.step / ltl432atlt1g-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ltl432atlt1g.step / ltl432atlt1g.glb are the bare package body.

Provenance

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

  • Datasheet: LRC datasheet (8 pp, sha256 ed1bcd757f34716b, 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