component

LTC3803IS6#TRMPBF

Public Made by Adom

by adom

Analog Devices AC-DC Controllers And Regulators, TSOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentpower management (pmic)ltc3803is6#trmpbffactory-2.0.0extractor-text
Overview Files Discover Packages Releases Dependencies Issues Breadcrumbs Pull Requests Activity
main
Download ZIP Propose a change
Generated by kicad-footprint-generator · KiCad file format 20260206
Name Last commit message Last updated
docs Publish 0.1.0 · Ray 21d ago
viewers ltc3803is6-trmpbf: viewers · Ray 21d ago
ltc3803is6-trmpbf-etched.glb Publish 0.1.0 · Ray 21d ago
ltc3803is6-trmpbf-etched.step ltc3803is6-trmpbf: factory component page (tier=lcsc) · Ray 21d ago
ltc3803is6-trmpbf-hero.glb ltc3803is6-trmpbf: hero GLB from the etched model (keeps the MPN mark) · Ray 21d ago
ltc3803is6-trmpbf-hero.overlay.json Publish 0.1.0 · Ray 21d ago
ltc3803is6-trmpbf.glb Publish 0.1.0 · Ray 21d ago
ltc3803is6-trmpbf.kicad_mod Publish 0.1.0 · Ray 21d ago
ltc3803is6-trmpbf.kicad_sym Publish 0.1.0 · Ray 21d ago
ltc3803is6-trmpbf.lbr Publish 0.1.0 · Ray 21d ago
ltc3803is6-trmpbf.step Publish 0.1.0 · Ray 21d ago
package.json Publish 0.1.0 · Ray 21d ago
page.json Set visibility: public · Ray 21d ago
README.md Publish 0.1.0 · Ray 21d ago

LTC3803IS6#TRMPBF

Analog Devices · AC-DC Controllers And Regulators · TSOT-23-6

LTC3803IS6#TRMPBF 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 ITH/RUN passive Serves as the error amplifier compensation point and run/shutdown input, with a nominal voltage range of 0.7V to 1.9V; forcing it below the shutdown threshold (VITHSHDN, nominally 0.28V) shuts the LTC3803 down and holds NGATE low.
2 GND power_in Ground pin, to which VCC must be closely decoupled.
3 VFB input Receives the feedback voltage from an external resistive divider across the output, regulated to the internal 800mV reference.
4 SENSE input Monitors switch current through an external current sense resistor to ground and injects a 5μA peak slope-compensation ramp through an optional programming resistor.
5 VCC power_in Supply pin that must be closely decoupled to GND; the UVLO turns on nominally at 8.7V and off at 5.7V, and the internal shunt clamp regulates it to about 9.5V with up to 25mA sink current.
6 NGATE output Gate drive for the external N-channel MOSFET, swinging from 0V to VCC, with a 1A peak output current limit for under 10μs.

Key specifications

Parameter Value
Manufacturer Analog Devices
Package TSOT-23-6
Category Power Management (PMIC)
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
VCC to GND (low impedance source) -0.3 8 V 2
VCC current fed 25 mA Current fed into VCC 2
NGATE voltage -0.3 V Maximum is VCC (printed as VCC, not a number) 2
VFB, ITH/RUN voltages -0.3 3.5 V 2
SENSE voltage -0.3 1 V 2
NGATE peak output current 1 A <10μs 2
Operating junction temperature range (LTC3803I) -40 125 °C LTC3803I 2
Storage temperature range -65 150 °C 2
Lead temperature (soldering, 10 sec) 300 °C 10 sec soldering 2
VCC Turn On Voltage VTURNON 7.7 8.7 9.25 V LTC3803H, LTC3803I; l = full operating junction temperature range 2
VCC Turn Off Voltage VTURNOFF 4 5.7 6.8 V LTC3803H, LTC3803I; l = full operating junction temperature range 2
VCC Hysteresis VHYST 1.5 3 V VTURNON, VTURNOFF; LTC3803E, LTC3803I, LTC3803H; l = full operating junction temperature range 2
VCC Shunt Regulator Voltage at 1mA VCLAMP1mA 8.3 9.4 10.5 V ICC = 1mA, VITH/RUN = 0V; LTC3803H, LTC3803I; l = full operating junction temperature range 3
VCC Shunt Regulator Voltage at 25mA VCLAMP25mA 8.4 9.5 10.7 V ICC = 25mA, VITH/RUN = 0V; LTC3803H, LTC3803I; l = full operating junction temperature range 3
VMARGIN VCLAMP1mA, VTURNON Margin VMARGIN 0.03 0.6 V LTC3803H, LTC3803I; l = full operating junction temperature range 3
Input DC Supply Current in Normal Operation ICC 240 350 μA VITH/RUN = 1.3V (Note 4) 3
Input DC Supply Current in Undervoltage ICC(UV) 40 110 μA VCC = VTURNON, 100mV; LTC3803H, LTC3803I, LTC3803MP; l = full operating junction temperature range 3
Shutdown Threshold (at ITH/RUN) VITHSHDN 0.09 0.28 0.46 V VCC > VTURNON, VITH/RUN Falling; LTC3803H, LTC3803I, LTC3803MP; l = full operating junction temperature range 3
Start-Up Current Source IITHSTART 0.2 0.3 0.4 μA VITH/RUN = 0V 3
Regulated Feedback Voltage (LTC3803I, 0°C to 85°C) VFB 0.788 0.8 0.812 V LTC3803I: 0°C ≤ TJ ≤ 85°C (Note 5) 3
Regulated Feedback Voltage (LTC3803I, -40°C to 125°C) VFB 0.78 0.8 0.82 V LTC3803I: -40°C ≤ TJ ≤ 125°C (Note 5) 3
Error Amplifier Transconductance gm 200 333 500 μA/V ITH/RUN Pin Load = ±5μA (Note 5) 3
Output Voltage Line Regulation ΔVO(LINE) 0.05 mV/V Note 5; single printed value, column assumed to be max 3
Output Voltage Load Regulation (ITH/RUN sinking) ΔVO(LOAD) 3 mV/μA ITH/RUN sinking 5μA (Note 5); single printed value, column assumed to be max 3
Output Voltage Load Regulation (ITH/RUN sourcing) ΔVO(LOAD) 3 mV/μA ITH/RUN sourcing 5μA (Note 5); single printed value, column assumed to be max 3
VFB Input Current IFB 10 50 nA Note 5 3
Oscillator Frequency fOSC 180 200 240 kHz VITH/RUN = 1.3V 3
Minimum Switch On Duty Cycle DCON(MIN) 6 8 % VITH/RUN = 1.3V, VFB = 0.8V 3
Maximum Switch On Duty Cycle DCON(MAX) 70 80 90 % VITH/RUN = 1.3V, VFB = 0.8V 3
Peak Current Sense Voltage VIMAX 90 100 120 mV RSL = 0 (Note 6); LTC3803H, LTC3803I; l = full operating junction temperature range 3
Gate Drive Rise Time tRISE 40 ns CLOAD = 3000pF; single printed value, column assumed to be typ 3
Gate Drive Fall Time tFALL 40 ns CLOAD = 3000pF (Note 7); single printed value, column assumed to be typ 3
Peak Slope Compensation Output Current ISLMAX 5 μA Note 7; single printed value, column assumed to be typ 3
Soft-Start Time tSFST 1.4 ms single printed value, column assumed to be typ 3
Thermal resistance junction-to-ambient (TSOT-23 S6) θJA 192 °C/W 6-lead TSOT-23 S6 package 2
Maximum junction temperature TJMAX 150 °C 2

CAD (KiCad official)

  • Symbol: LTC3803IS6#TRMPBF
  • Footprint: Package_TO_SOT_SMD:TSOT-23-6
  • 3D model: TSOT-23-6 (KiCad packages3D, STEP)
  • 3D model files: ltc3803is6-trmpbf-etched.step / ltc3803is6-trmpbf-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ltc3803is6-trmpbf.step / ltc3803is6-trmpbf.glb are the bare package body.

Provenance

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

  • Datasheet: Analog Devices datasheet (16 pp, sha256 d1656d1fcad77872, 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