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LT1790BIS6-2.5#TRPBF

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Analog Devices Voltage References, TSOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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LT1790BIS6-2.5#TRPBF

Analog Devices · Voltage References · TSOT-23-6

LT1790BIS6-2.5#TRPBF from Analog Devices, in a TSOT-23-6. 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 power_in Ground reference pin; the datasheet's typical application ties the 1µF output capacitor to pins 1 and 2 as ground.
2 GND power_in Ground pin, which the typical application ties to the output capacitor return alongside pin 1.
3 DNC unconnected Do Not Connect; the datasheet says this pin must not be connected.
4 VIN power_in Supply input, specified for 2.6V ≤ VIN ≤ 18V in operation and rated to 20V absolute maximum input voltage.
5 DNC unconnected Do Not Connect; the datasheet says this pin must not be connected.
6 VOUT power_out Reference output, 2.5V for the LT1790-2.5, which can both source and sink current, with load regulation specified at 5mA source and 1mA sink.

Key specifications

Parameter Value
Manufacturer Analog Devices
Package TSOT-23-6
Category Power Management ICs
Pins 6

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 (LT1790B, 25°C) VOUT 2.4975 2.5 2.5025 V LT1790B; TA = 25°C 6
Output Voltage tolerance (LT1790B, 25°C) VOUT -0.1 0.1 % LT1790B; TA = 25°C 6
Output Voltage (LT1790BI, industrial) VOUT 2.48969 2.5 2.51031 V l: over specified temperature range (-40°C to 85°C) 6
Output Voltage tolerance (LT1790BI, industrial) VOUT -0.4125 0.4125 % l: over specified temperature range (-40°C to 85°C) 6
Output Voltage Temperature Coefficient (LT1790B) 12 25 ppm/°C TMIN ≤ TA ≤ TMAX 6
Line Regulation (LT1790B) 50 220 ppm/V 3V ≤ VIN ≤ 18V; l 6
Load Regulation, sourcing (LT1790B) 80 250 ppm/mA IOUT Source = 5mA; l 6
Load Regulation, sinking (LT1790B) 70 300 ppm/mA IOUT Sink = 3mA; l 6
Dropout Voltage (LT1790B) VIN, VOUT 50 100 mV ΔVOUT = 0.1%; IOUT = 0mA; l 6
Supply Current, no load (LT1790B) 35 80 µA No load; l 6
Hysteresis (industrial range) 40 ppm ΔT = -40°C to 85°C; l 6
Minimum Operating Current, negative output 100 125 µA VOUT = -2.5V, 0.1% 6
Turn-On Time 700 µs CLOAD = 1µF 6
Output Noise, 0.1Hz to 10Hz 32 µVP-P 0.1Hz ≤ f ≤ 10Hz 6
Output Noise, 10Hz to 1kHz 48 µVRMS 10Hz ≤ f ≤ 1kHz 6
Long-Term Drift of Output Voltage 50 ppm/√kHr 6
Operating Temperature Range -40 125 °C Note 2: guaranteed functional 2
Specified Temperature Range (Industrial) -40 85 °C Industrial grade (I) 2
Storage Temperature Range -65 150 °C 2
Maximum Junction Temperature TJMAX 150 °C S6 package 2
Thermal Resistance, junction to ambient θJA 230 °C/W S6 package (6-lead TSOT-23) 2

CAD (KiCad official)

  • Symbol: LT1790BIS6-2.5#TRPBF
  • Footprint: Package_TO_SOT_SMD:TSOT-23-6
  • 3D model: TSOT-23-6 (KiCad packages3D, STEP)
  • 3D model files: lt1790bis6-2-5-trpbf-etched.step / lt1790bis6-2-5-trpbf-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lt1790bis6-2-5-trpbf.step / lt1790bis6-2-5-trpbf.glb are the bare package body.

Provenance

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

  • Datasheet: Analog Devices datasheet (26 pp, sha256 34dc0fbeb1f9b369, retrieved 2026-10-28, tier: manufacturer)
  • 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