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LT8606BEDC#TRPBF

Analog Devices · DC-DC Converters · DFN-8-EP(2x2)

LT8606BEDC#TRPBF from Analog Devices, in a DFN-8-EP(2x2). 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 BST passive Provides a drive voltage higher than the input voltage to the topside power switch; place a 0.1µF boost capacitor as close as possible to the IC and do not place a resistor in series with this pin.
2 SW output Output of the internal power switches; connect to the inductor and boost capacitor and keep this node small on the PCB.
3 INTVCC power_out Internal 3.5V regulator bypass pin (2.8V to 3.5V, max output current 20mA); decouple to power ground with at least a 1µF low ESR ceramic capacitor and do not load with external circuitry.
4 RT passive A resistor from RT to ground sets the switching frequency (200kHz to 2.2MHz).
5 FB input The LT8606 regulates the FB pin to 0.778V; connect the feedback resistor divider tap to this pin.
6 PG output Open-drain output of an internal comparator that remains low until FB is within ±8.5% of the final regulation voltage with no fault conditions; valid when VIN is above 3.2V and EN/UV is high.
7 VIN power_in Supplies current to the internal circuitry and the topside power switch (3.0V to 42V operating); must be locally bypassed with the input capacitor placed as close as possible.
8 EN/UV input Shuts the part down when low and enables it when high, with a hysteretic threshold of 1.05V rising and 1.00V falling; tie to VIN if the shutdown feature is not used, or use a resistor divider from VIN to program undervoltage lockout.
9 GND power_in Exposed pad; must be connected to the negative terminal of the input capacitor and soldered to the PCB to lower thermal resistance.

Key specifications

Parameter Value
Manufacturer Analog Devices
Package DFN-8-EP(2x2)
Category Power Management ICs
Pins 9

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Minimum Input Voltage 2.5 3 V over full operating temperature range 3
VIN Quiescent Current (shutdown) IQ 1 5 µA VEN/UV = 0V 3
VIN Quiescent Current (not switching) IQ 1.7 12 µA VEN/UV = 2V, Not Switching, LT8606 DFN, VIN ≤ 36V 3
VIN Current in Regulation 56 90 µA VIN = 6V, VOUT = 2.7V, Output Load = 100µA 3
VIN Current in Regulation 500 700 µA VIN = 6V, VOUT = 2.7V, Output Load = 1mA 3
Feedback Reference Voltage (DFN) VFB 0.771 0.778 0.785 V DFN Package, VIN = 6V, ILOAD = 100mA 3
Feedback Reference Voltage (DFN, full temp) VFB 0.753 0.778 0.803 V DFN Package, VIN = 6V, ILOAD = 100mA, full temperature range 3
Feedback Voltage Line Regulation 0.02 0.06 %/V VIN = 4.0V to 40V (±) 3
Feedback Pin Input Current 20 nA VFB = 1V (±20) 3
Minimum On-Time tON(MIN) 35 60 ns ILOAD = 300mA, SYNC = 1.9V or LT8606B DFN 3
Minimum Off Time tOFF(MIN) 93 130 ns ILOAD = 300mA 3
Oscillator Frequency (DFN) fSW 140 200 260 kHz DFN Package, RT = 221k, ILOAD = 250mA 3
Oscillator Frequency (DFN) fSW 610 700 790 kHz DFN Package, RT = 60.4k, ILOAD = 250mA 3
Oscillator Frequency (DFN) fSW 1.85 2 2.15 MHz DFN Package, RT = 18.2k, ILOAD = 250mA 3
Top Power NMOS Current Limit (DFN) ILIM 0.65 1.1 1.4 A DFN Package 3
EN/UV Pin Threshold 0.99 1.05 1.11 V EN/UV Rising 3
PG Upper Threshold Offset from VFB 5 8.5 13 % VFB Rising 3
PG Lower Threshold Offset from VFB 5 8.5 13 % VFB Falling 3
PG Pull-Down Resistance 550 1200 Ω VPG = 0.1V 3
Top Power NMOS On-Resistance 375 mΩ ILOAD = 250mA 3
Bottom Power NMOS On-Resistance 240 mΩ 3
SW Leakage Current 5 µA VIN = 36V 3
EN/UV Pin Hysteresis 50 mV 3
EN/UV Pin Current 20 nA VEN/UV = 2V (±20) 3
PG Hysteresis 0.5 % 3
PG Leakage 200 nA VPG = 42V (±200) 3
Input voltage (VIN, EN/UV, PG) 42 V VIN, EN/UV, PG 2
FB voltage 4 V FB, TR/SS 2
SYNC Voltage 6 V 2
Storage Temperature Range -65 150 °C 2
Operating Junction Temperature Range (LT8606BE) TJ -40 125 °C E grade; guaranteed 0°C to 125°C per Note 2 2
Input Voltage Range VIN 3 42 V Wide Input Voltage Range (features) 1
Junction-to-ambient thermal resistance θJA 102 °C/W DC package 8-lead 2mm × 2mm DFN 2

CAD (KiCad official)

  • Symbol: LT8606BEDC#TRPBF
  • Footprint: Package_DFN_QFN:DFN-8-1EP_2x2mm_P0.45mm_EP0.64x1.37mm
  • 3D model: DFN-8-EP(2x2) (KiCad packages3D, STEP)
  • 3D model files: lt8606bedc-trpbf-etched.step / lt8606bedc-trpbf-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lt8606bedc-trpbf.step / lt8606bedc-trpbf.glb are the bare package body.

Provenance

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

  • Datasheet: Analog Devices datasheet (24 pp, sha256 cfaa3e87d6a68cc5, 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