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Contents

README

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LT1619ES8#PBF

Analog Devices · Pre-ordered Chips · SO-8

LT1619ES8#PBF from Analog Devices, in a SO-8. 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 S/S input Shutdown/Synchronization input, rated -0.3V to 20V, with a shutdown threshold of 0.45V to 1.2V and external synchronization up to 500kHz.
2 FB input Feedback input to the error amplifier with a 1.24V typical reference (1.22V to 1.26V), voltage not to exceed VIN.
3 VC passive Compensation node of the error amplifier, with a maximum voltage of 3V and a clamp voltage of 1.6V to 2.2V.
4 GND power_in Ground pin.
5 SENSE input Current sense input with a 53mV typical current limit threshold, rated -0.5V to VIN.
6 GATE output Rail-to-rail N-channel MOSFET gate drive output rated for ±1.5A output current.
7 DRV power_in Gate drive supply voltage, rated -0.3V to 20V, powered from the input (nonbootstrapped) or from the output (bootstrapped).
8 VIN power_in Input supply voltage, operating range 1.9V to 18V, absolute maximum -0.3V to 20V.

Key specifications

Parameter Value
Manufacturer Analog Devices
Package SO-8
Category Interface ICs
Pins 8

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 VREF 1.22 1.24 1.26 V Measured at the FB Pin 2
Reference Line Regulation 0.004 0.05 %/V 1.9V ≤ VIN ≤ 18V 2
FB Input Bias Current 10 25 nA VFB = VREF 2
Error Amplifier Transconductance gm 80 170 260 µΩ-1 2
Error Amplifier Output Source Current 4 8.7 14 µA VFB = 1V, VCOMP = 1V 2
Error Amplifier Output Sink Current 4 8.7 14 µA VFB = 1.5V, VCOMP = 1V 2
Error Amplifier Clamp Voltage 1.6 2.2 V VFB = 1V 2
Undervoltage Lockout Threshold 1.65 1.85 V 2
Input Voltage Range VIN 1.9 18 V 2
Switching Frequency 220 300 360 kHz 1.9V ≤ VIN ≤ 18V 2
Synchronization Frequency Range 370 500 kHz 2
Maximum Duty Cycle 88 92 % 2
Current Limit Threshold 40 53 66 mV 2
Burst Mode Operation Current Limit 10 mV 2
Current Sense Input Current -150 -120 -90 µA VSENSE = 0V 3
Current Limit Delay 150 ns 3
Driver Output Rise Time 30 ns CL = 3300pF 3
Driver Output Fall Time 35 ns CL = 3300pF 3
Driver Output Low Level 100 200 mV IOUT = 20mA 3
Driver Output Low Level 0.5 0.7 V IOUT = 200mA 3
Shutdown Driver Output Level 100 200 mV VS/S = 0V, IOUT = 20mA 3
Idle Mode Driver Output Level 100 200 mV VS/S = VIN, VFB = 1.5V, IOUT = 20mA 3
Operating Supply Current 9 mA VFB = 1V 3
Quiescent Supply Current 140 220 µA VS/S = VIN, VFB = 1.5V 3
Shutdown Supply Current 15 19 µA VS/S = 0V 3
Shutdown Supply Current 40 µA VS/S = 0V, VIN = 18V, TA = 85°C 3
Shutdown Threshold 0.45 1.2 V 3
Shutdown Delay 12 17 33 µs 3
Input Voltage VIN -0.3 20 V 2
Gate Drive Supply Voltage DRV -0.3 20 V 2
Shutdown/Synch Voltage S/S -0.3 20 V 2
Compensation Voltage VC 3 V 2
Gate Drive Output Current GATE -1.5 1.5 A 2
Current Sense Voltage SENSE -0.5 V to VIN 2
Operating Temperature Range -40 85 °C Note 2 2
Junction Temperature TJMAX 125 °C Note 3 2
Storage Temperature Range -65 150 °C 2
Lead Temperature 300 °C Soldering, 10 sec 2
Thermal Resistance Junction to Ambient θJA 120 °C/W S8 package, TJMAX = 125°C 2

CAD (KiCad official)

  • Symbol: LT1619ES8#PBF
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SO-8 (KiCad packages3D, STEP)
  • 3D model files: lt1619es8-pbf-etched.step / lt1619es8-pbf-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lt1619es8-pbf.step / lt1619es8-pbf.glb are the bare package body.

Provenance

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

  • Datasheet: Analog Devices datasheet (20 pp, sha256 3c0b9f5368bd50e1, retrieved 2026-10-30, 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