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LTC3607EUD#TRPBF

Analog Devices · DC-DC Converters · QFN-16-EP(3x3)

LTC3607EUD#TRPBF from Analog Devices, in a QFN-16-EP(3x3). 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 MODE/SYNC input Mode select and oscillator sync: forcing SGND selects pulse-skipping mode, floating or above 1V selects Burst Mode operation, and an external 1MHz to 4MHz clock applied here synchronizes the oscillator and automatically selects pulse-skipping mode.
2 PGOOD1 output Regulator 1 power good, a common-drain logic output pulled to SGND when the channel 1 output is not within ±8.5% of regulation.
3 SVIN power_in Supply for the control circuitry, operating from 4.5V to 15V, and connected to the higher of PVIN1 or PVIN2 (or through diodes to both if unknown).
4 PGND1 power_in Main ground for regulator 1, to be connected to the negative terminals of COUT1 and CIN and externally connected to all other SGND and PGND pins.
5 SW1 output Regulator 1 switch node connected to the inductor, switching between PVIN1 and PGND1.
6 PVIN1 power_in Regulator 1 main power supply input, operating from 4.5V to 15V, which must be closely decoupled to GND.
7 PVIN2 power_in Regulator 2 main power supply input, operating from 4.5V to 15V, which must be closely decoupled to GND.
8 SW2 output Regulator 2 switch node connected to the inductor, switching between PVIN2 and PGND2.
9 PGND2 power_in Main ground for regulator 2, to be connected to the negative terminals of COUT2 and CIN and externally connected to all other SGND and PGND pins.
10 SGND power_in Signal ground that must be externally connected to all other SGND and PGND pins and to ground.
11 PGOOD2 output Regulator 2 power good, a common-drain logic output pulled to SGND when the channel 2 output is not within ±8.5% of regulation.
12 SGND power_in Signal ground that must be externally connected to all other SGND and PGND pins and to ground.
13 RUN2 input Regulator 2 enable: forcing above 3.0V enables the regulator and forcing it to SGND shuts it down, with a 3.3V source or a tie to SVIN usable as the drive.
14 VFB2 input Regulator 2 output feedback from the external resistor divider, with a nominal voltage of 0.6V.
15 VFB1 input Regulator 1 output feedback from the external resistor divider, with a nominal voltage of 0.6V.
16 RUN1 input Regulator 1 enable: forcing above 3V enables the regulator and forcing it to SGND shuts it down, with a 3.3V source or a tie to SVIN usable as the drive.
17 PGND power_in Exposed pad, which is the main ground and must be soldered to PCB ground for electrical contact and rated thermal performance.

Key specifications

Parameter Value
Manufacturer Analog Devices
Package QFN-16-EP(3x3)
Category Power Management (PMIC)
Pins 17

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
SVIN Operating Voltage Range 4.5 15 V 3
PVIN Operating Voltage Range 4.5 15 V 3
VOUT Output Voltage Range VOUT 0.6 V 3
VFB Feedback Voltage VFB 0.591 0.6 0.609 V Note 3 3
VFB Feedback Voltage VFB 0.588 0.6 0.612 V Note 3 3
Feedback Pin Input Current IFB 30 nA 3
Reference Voltage Line Regulation ΔVLINE REG 0.1 0.15 %/V VIN = 4.5V to 15V (Note 3) 3
Output Voltage Load Regulation ΔVLOAD REG 0.5 % MODE/SYNC = 0V (Note 3) 3
Input DC Supply Current, Sleep Mode (Both Channels) IS 55 90 µA VFB1 = VFB2 = 0.64V 3
Input DC Supply Current, Sleep Mode (Single Channel) IS 35 60 µA VFB(1 or 2) = 0.64V 3
Input DC Supply Current, Shutdown IS 0.1 1 µA RUN1 = RUN2 = 0V 3
Oscillator Frequency fOSC 1.8 2.25 2.7 MHz VFB1, 2 = 0.6V 3
Synchronization Frequency fSYNC 1 4 MHz 3
Peak Switch Current Limit ILIM 0.75 1 1.25 A VFB1, 2 = 0.5V, Duty Cycle < 35% 3
SVIN Undervoltage Lockout Threshold 3.4 4.3 V SVIN Rising 3
PGOOD1/2 Overvoltage Threshold 8.5 11 % VFB1, 2 Rising 3
PGOOD1/2 Undervoltage Threshold -11 -8.5 % VFB1, 2 Ramping Down 3
RUN1/2 VIL VRUN 0.55 V 3
RUN1/2 VIH VRUN 3 V 3
RUN1/2 Leakage Current IRUN 0.01 1 µA 3
MODE/SYNC VIL VMODE/SYNC 0.3 V 3
MODE/SYNC VIH VMODE/SYNC 1 V 3
PVIN, SVIN Voltages -0.3 15 V 2
RUN1, RUN2 Voltages -0.3 V Maximum printed as SVIN + 0.3V 2
VFB1, VFB2 Voltages -0.3 3.6 V 2
MODE/SYNC Voltage -0.3 3.6 V 2
PGOOD1, PGOOD2 Voltages -0.3 15 V 2
Operating Junction Temperature Range TJ -40 125 °C Notes 2, 7 2
Storage Temperature Range TSTG -65 150 °C 2
Thermal Resistance Junction-to-Ambient θJA 68 °C/W UD (QFN) package 2
Thermal Resistance Junction-to-Case θJC 7.5 °C/W UD (QFN) package 2
Maximum Junction Temperature TJMAX 125 °C UD (QFN) package 2

CAD (KiCad official)

  • Symbol: LTC3607EUD#TRPBF
  • Footprint: Package_DFN_QFN:QFN-16-1EP_3x3mm_P0.5mm_EP1.7x1.7mm
  • 3D model: QFN-16-EP(3x3) (KiCad packages3D, STEP)
  • 3D model files: ltc3607eud-trpbf-etched.step / ltc3607eud-trpbf-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ltc3607eud-trpbf.step / ltc3607eud-trpbf.glb are the bare package body.

Provenance

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

  • Datasheet: Analog Devices datasheet (20 pp, sha256 1b5e69748ab51b82, 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