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LT1937ES5#TRPBF

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Analog Devices DC-DC Converters, TSOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentpower management icslt1937es5#trpbffactory-2.0.0extractor-text

Verified LT1937ES5#TRPBF

by Ray · last 31 Oct 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

31 Oct 2026RayPublished by the parts factory: tier mfr, 5 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: LT1937ES5#TRPBF · TSOT-23-5 · 5 pins
  • ✓copper: 5 copper pads, none touching another net
  • ✓datasheet: all 5 pin names found in the 12-page datasheet
  • ✓distributor: lcsc C665577, digikey 161-LT1937ES5#TRPBFTR-ND, mouser 584-LT1937ES5#TRPBF
  • ✓family: TSOT-23-5
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-tx4qmtqo/x.lbr is a valid EAGLE .lbr with complete deviceset
  • ✓license: CC-BY-SA-4.0
  • ✓models_3d: 2 records
  • ✓package_fit: height and body within the datasheet's package drawing (datasheet p.11)
  • ✓pads: 5 pins = 5 pads
  • ✓pose: 2 STEP(s) Z-up, seated, centred
  • ✓symbol: 5 pins agree
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ lt1937es5-trpbf.kicad_sym✓ lt1937es5-trpbf.kicad_mod✓ lt1937es5-trpbf.step
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3D Model

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Symbol & Footprint

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Datasheet

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Contents

README

markdown

LT1937ES5#TRPBF

Analog Devices · DC-DC Converters · TSOT-23-5

LT1937ES5#TRPBF from Analog Devices, in a TSOT-23-5. 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 SW passive Switch pin connecting the inductor and diode; minimize trace area at this pin to reduce EMI, and the switch is rated to 36V.
2 GND power_in Ground pin, connect directly to the local ground plane.
3 FB input Feedback pin with 95mV reference voltage; connect the cathode of the lowest LED and the resistor here, with RFB = 95mV/ILED.
4 SHDN input Shutdown pin; connect to 1.5V or higher to enable the device and 0.4V or less to disable it.
5 VIN power_in Input supply pin that must be locally bypassed; operating range 2.5V minimum to 10V maximum.

Key specifications

Parameter Value
Manufacturer Analog Devices
Package TSOT-23-5
Category Power Management ICs
Pins 5

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Feedback Voltage VFB 86 95 104 mV ISW = 100mA, Duty Cycle = 66% 2
FB Pin Bias Current 45 100 nA 2
Supply Current 1.9 2.5 mA 2
Supply Current in Shutdown 0.1 1 µA SHDN = 0V 2
Switching Frequency 0.8 1.2 1.6 MHz 2
Maximum Duty Cycle 85 90 % 2
Switch Leakage Current 0.01 5 µA VSW = 5V 2
Minimum Operating Voltage 2.5 V 2
Maximum Operating Voltage 10 V 2
SHDN Voltage High 1.5 V 2
SHDN Voltage Low 0.4 V 2
Switch Current Limit 320 mA 2
Switch VCESAT 350 mV ISW = 250mA 2
SHDN Pin Bias Current 65 µA 2
Input Voltage VIN 10 V 2
SW Voltage 36 V 2
FB Voltage 10 V 2
SHDN Voltage 10 V 2
Maximum Junction Temperature TJMAX 125 °C 2
Operating Temperature Range -40 85 °C Extended Commercial (Note 2) 2
Storage Temperature Range -65 150 °C 2
Lead Temperature 300 °C Soldering, 10 sec 2
Thermal Resistance Junction-to-Ambient θJA 256 °C/W in free air, S5 package 2
Thermal Resistance Junction-to-Ambient θJA 120 °C/W on board over ground plane, S5 package 2

CAD (KiCad official)

  • Symbol: LT1937ES5#TRPBF
  • Footprint: Package_TO_SOT_SMD:TSOT-23-5
  • 3D model: TSOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: lt1937es5-trpbf-etched.step / lt1937es5-trpbf-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lt1937es5-trpbf.step / lt1937es5-trpbf.glb are the bare package body.

Provenance

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

  • Datasheet: Analog Devices datasheet (12 pp, sha256 1855e3a3fafc0754, retrieved 2026-10-31, tier: manufacturer)
  • 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