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ATL432LIBIDBZR

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

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docs atl432libidbzr: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
viewers atl432libidbzr: viewers · Ray 1mo ago
atl432libidbzr-etched.fit.json atl432libidbzr: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
atl432libidbzr-etched.glb atl432libidbzr: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
atl432libidbzr-etched.step atl432libidbzr: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
atl432libidbzr.glb Publish 0.1.0 · Ray 1mo ago
atl432libidbzr.kicad_mod Publish 0.1.0 · Ray 1mo ago
atl432libidbzr.kicad_sym Publish 0.1.0 · Ray 1mo ago
atl432libidbzr.lbr Publish 0.1.0 · Ray 1mo ago
atl432libidbzr.step Publish 0.1.0 · Ray 1mo ago
package.json atl432libidbzr: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) · Ray 28d ago
page.json atl432libidbzr: specified limits as data (metadata.characteristics, 23 rows from the datasheet) · Ray 21d ago
README.md atl432libidbzr: specified limits as data (metadata.characteristics, 23 rows from the datasheet) · Ray 21d ago

ATL432LIBIDBZR

Texas Instruments · Voltage References · SOT-23-3

ATL432LIBIDBZR from Texas Instruments, in a SOT-23-3. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 REF input Reference feedback input with maximum 0.4 µA bias current for programmable output voltage setting
2 CATHODE output Regulated output voltage and current sink pin rated for maximum 37 V and continuous 0.1 mA to 15 mA
3 ANODE power_in Common ground reference pin, typically connected to system ground

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOT-23-3
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 (B grade, 0.5%) VREF 2487 2500 2512 mV VKA = Vref, IKA = 1mA; ATL43xLIBx device 5
Initial reference voltage tolerance at 25°C (B grade) -0.5 0.5 % 25°C, B grade 1
Reference voltage deviation over temperature range (I grade) VI(dev) 6 17 mV VKA = Vref, IKA = 1mA; ATL43xLIxI device 5
Reference voltage change per cathode voltage change, ΔVKA = 10V - Vref ΔVref / ΔVKA -1.4 -2.7 mV/V IKA = 1mA; ΔVKA = 10V - Vref 5
Reference voltage change per cathode voltage change, ΔVKA = 36V - 10V ΔVref / ΔVKA -1 -2 mV/V IKA = 1mA; ΔVKA = 36V - 10V 5
Reference input current Iref 0.2 0.4 µA IKA = 1mA, R1 = 10kΩ, R2 = ∞ 5
Reference input current deviation over temperature range II(dev) 0.1 0.3 µA IKA = 1mA, R1 = 10kΩ, R2 = ∞ 5
Minimum cathode current for regulation Imin 65 80 µA VKA = Vref 5
Off-state cathode current Ioff 0.1 1 µA VKA = 36V, Vref = 0 5
Dynamic impedance /ZKA/ 0.3 0.65 Ω VKA = Vref, IKA = 1mA to 15mA 5
Cathode voltage (recommended) VKA 36 V 4
Continuous cathode current range (recommended) IKA 0.1 15 mA 4
Operating free-air temperature (I grade) TA -40 85 °C ATL43xLIxI, natural air 4
Cathode voltage (absolute maximum) VKA 37 V 4
Continuous cathode current range (absolute maximum) IKA -10 18 mA 4
Reference input current (absolute maximum) II(ref) -5 10 mA 4
Operating junction temperature range TJ -40 150 °C 4
Storage temperature range Tstg -65 150 °C 4
Junction-to-ambient thermal resistance (DBZ, 3 pin) RθJA 371.7 °C/W 4
Junction-to-case (top) thermal resistance (DBZ, 3 pin) RθJC(top) 145.9 °C/W 4
Junction-to-board thermal resistance (DBZ, 3 pin) RθJB 104.7 °C/W 4
Junction-to-top characterization parameter (DBZ, 3 pin) ψJT 23.9 °C/W 4
Junction-to-board characterization parameter (DBZ, 3 pin) ψJB 102.9 °C/W 4

CAD (KiCad official)

  • Symbol: ATL432LIBIDBZR
  • Footprint: Package_TO_SOT_SMD:SOT-23-3
  • 3D model: SOT-23-3 (KiCad packages3D, STEP)
  • 3D model files: atl432libidbzr-etched.step / atl432libidbzr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); atl432libidbzr.step / atl432libidbzr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (40 pp, sha256 68e0ac1b6eb6b764, retrieved 2026-09-17, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-4-6 (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