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LT8607IMSE#TRPBF

Analog Devices · DC-DC Converters · MSOP-10-EP

LT8607IMSE#TRPBF from Analog Devices, in a MSOP-10-EP. 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 with no series resistor.
2 SW power_out Output of the internal power switches; connect to the inductor and boost capacitor and keep the node small on the PCB.
3 INTVCC power_out Internal 3.5V regulator bypass pin (2.8V to 3.5V, 20mA max output current); decouple with at least a 1µF low-ESR ceramic capacitor and do not load it externally.
4 RT passive A resistor from RT to ground sets the switching frequency; when synchronizing, choose it to set frequency equal to or below the lowest sync input.
5 SYNC input External clock synchronization input: ground for low-ripple Burst Mode operation, float for pulse-skipping without spread spectrum, or tie to INTVCC or 3.2V to 5.0V for pulse-skipping with spread spectrum.
6 FB input Feedback pin regulated to 0.778V; connect the feedback resistor divider tap here.
7 TR/SS input Output tracking and soft-start pin; below 0.778V the FB pin is regulated to this voltage, with an internal 2µA pull-up for a soft-start capacitor and a 300Ω pull-down in shutdown and fault.
8 PG output Open-drain power-good output that stays low until FB is within ±8.5% of final regulation with no faults; valid when VIN is above 3.2V and EN/UV is high.
9 VIN power_in Supplies current to internal circuitry and the topside power switch (3.0V to 42V input range); must be locally bypassed close to the VIN and GND pins.
10 EN/UV input Enable and undervoltage input: shuts down when low and active when high, with a 1.05V rising and 1.00V falling threshold; tie to VIN if unused or use a divider from VIN to program UVLO.
11 GND power_in Exposed pad ground; must be connected to the input capacitor negative terminal and soldered to the PCB to lower thermal resistance.

Key specifications

Parameter Value
Manufacturer Analog Devices
Package MSOP-10-EP
Category Power Management ICs
Pins 11

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
FB, TR/SS voltage (absolute maximum) FB, TR/SS 4 V 2
SYNC voltage (absolute maximum) SYNC 6 V 2
Operating junction temperature range LT8607I TJ -40 125 °C LT8607I 2
Storage temperature range TSTG -65 150 °C 2
Junction-to-ambient thermal resistance θJA 40 °C/W MSE package, 10-lead MSOP 2
Minimum Input Voltage 2.5 3.2 V 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 0.774 0.778 0.782 V LT8607 MSOP Package, VIN = 6V, ILOAD = 100mA 3
Feedback Reference Voltage (full temperature range) 0.762 0.778 0.798 V LT8607 MSOP Package, VIN = 6V, ILOAD = 100mA, full temperature range 3
Feedback Voltage Line Regulation 0.02 0.04 %/V VIN = 4.0V to 40V 3
Feedback Pin Input Current -20 20 nA VFB = 1.0V 4
Minimum On-Time 35 65 ns ILOAD = 500mA, SYNC = 0V 4
Minimum On-Time 35 60 ns ILOAD = 500mA, SYNC = 1.9V 4
Minimum Off Time 93 130 ns ILOAD = 300mA 4
Oscillator Frequency 155 200 245 kHz MSOP Package, RT = 221k, ILOAD = 350mA 4
Oscillator Frequency 640 700 760 kHz MSOP Package, RT = 60.4k, ILOAD = 350mA 4
Oscillator Frequency 1.9 2 2.1 MHz MSOP Package, RT = 18.2k, ILOAD = 350mA 4
Top Power NMOS On-Resistance 375 mΩ ILOAD = 500mA 4
Top Power NMOS Current Limit 1.2 1.6 2 A MSOP Package 4
Bottom Power NMOS On-Resistance 240 mΩ 4
SW Leakage Current 5 µA VIN = 36V 4
EN/UV Pin Threshold 0.99 1.05 1.11 V EN/UV Rising 4
EN/UV Pin Hysteresis 50 mV 4
EN/UV Pin Current -20 20 nA VEN/UV = 2V 4
PG Upper Threshold Offset from VFB 5 8.5 13 % VFB Rising 4
PG Lower Threshold Offset from VFB 5 8.5 13 % VFB Falling 4
PG Hysteresis 0.5 % 4
PG Leakage -200 200 nA VPG = 42V 4
PG Pull-Down Resistance 550 1200 Ω VPG = 0.1V 4
Sync Low Input Voltage 0.4 0.9 V MSOP Only 4
Sync High Input Voltage 2.7 3.2 V INTVCC = 3.5V, MSOP Only 4
TR/SS Source Current 1 2 3 µA MSOP Only 4
TR/SS Pull-Down Resistance 300 900 Ω Fault Condition, TR/SS = 0.1V, MSOP Only 4
Spread Spectrum Modulation Frequency 0.5 3 6 kHz VSYNC = 3.3V, MSOP Only 4

CAD (KiCad official)

  • Symbol: LT8607IMSE#TRPBF
  • Footprint: Package_SO:MSOP-10-1EP_3x3mm_P0.5mm_EP1.68x1.88mm
  • 3D model: MSOP-10-EP (KiCad packages3D, STEP)
  • 3D model files: lt8607imse-trpbf-etched.step / lt8607imse-trpbf-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lt8607imse-trpbf.step / lt8607imse-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 3023cd9406e13917, 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