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LTC389x Synchronous DC/DC Controllers

Analog Devices Inc. LTC389x Synchronous Controllers are high-performance step-down switching regulator DC/DC controllers. The LTC389x controllers, with the exception of the LTC3894 series, drive all N-channel synchronous power MOSFET stages. The MOSFET stage can operate from input voltages up to 150V. The high-voltage LTC3894 Controllers drive a P-channel power MOSFET switch. LTC389x's constant-frequency, current-mode architecture achieves up to an 850kHz phase-lockable frequency. Designers can program the gate drive voltage from 5V to 10V. This programming enables the use of standard-level or logic FETs for maximum efficiency. Using external resistors, designers can also program the output voltage from 0.8V to 60V. Pin-programming allows for a fixed 5V or 3.3V output voltage.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CHF) Filter the results in the table by unit price based on your quantity.	Qty.
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891EFE#TRPBF Analog Devices 1: CHF 10.20 11’981In Stock	Mfr. Part No. LTC3891EFE#TRPBF Mouser Part No 584-LTC3891EFE#TRPBF	Analog Devices	Switching Voltage Regulators L IQ, 60V Sync Buck Cntr Learn More about Analog Devices adi ltc389x controllers	Datasheet	11’981In Stock	Cut Tape CHF 10.20 CHF 8.01 CHF 7.46 CHF 6.87 View Reel CHF 5.94 CHF 6.82 CHF 6.42 CHF 6.28 CHF 5.94 MouseReel Available	Min.: 1 Mult.: 1 Max.: 9’584 : 2’500
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890EGN-1#PBF Analog Devices 1: CHF 12.21 1’649In Stock	Mfr. Part No. LTC3890EGN-1#PBF Mouser Part No 584-LTC3890EGN-1#PBF	Analog Devices	Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr Learn More about Analog Devices adi ltc389x controllers	Datasheet	1’649In Stock	CHF 12.21 CHF 9.65 CHF 8.64 CHF 8.14 View CHF 7.91 CHF 7.79 CHF 7.62	Min.: 1 Mult.: 1 Max.: 1’319
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890EUH#TRPBF Analog Devices 1: CHF 12.50 5’635In Stock	Mfr. Part No. LTC3890EUH#TRPBF Mouser Part No 584-LTC3890EUH#TRPBF	Analog Devices	Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr Learn More about Analog Devices adi ltc389x controllers	Datasheet	5’635In Stock	Cut Tape CHF 12.50 CHF 9.89 CHF 9.24 CHF 8.54 View Reel CHF 7.43 CHF 8.03 CHF 7.85 CHF 7.43 MouseReel Available	Min.: 1 Mult.: 1 Max.: 4’508 : 2’500
Switching Voltage Regulators 150V L IQ, Sync Buck DC/DC Cntr LTC3895IFE#PBF Analog Devices 1: CHF 14.24 4’958In Stock 500On Order	Mfr. Part No. LTC3895IFE#PBF Mouser Part No 584-LTC3895IFE#PBF	Analog Devices	Switching Voltage Regulators 150V L IQ, Sync Buck DC/DC Cntr Learn More about Analog Devices adi ltc389x controllers	Datasheet	4’958In Stock 500On Order	CHF 14.24 CHF 11.31 CHF 10.13 CHF 9.76 View CHF 9.33 CHF 9.15 Quote	Min.: 1 Mult.: 1 Max.: 3’966
Switching Controllers 150V Low IQ Step-Dwn DC/DC Ctlr LTC3894EFE#PBF Analog Devices 1: CHF 7.39 6’424In Stock	Mfr. Part No. LTC3894EFE#PBF Mouser Part No 584-LTC3894EFE#PBF	Analog Devices	Switching Controllers 150V Low IQ Step-Dwn DC/DC Ctlr Learn More about Analog Devices adi ltc389x controllers	Datasheet	6’424In Stock	CHF 7.39 CHF 5.76 CHF 4.97 CHF 4.78 View CHF 4.65 CHF 4.54 CHF 4.43 CHF 4.19	Min.: 1 Mult.: 1 Max.: 5’139
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890MPUH#PBF Analog Devices 1: CHF 38.43 405In Stock	Mfr. Part No. LTC3890MPUH#PBF Mouser Part No 584-LTC3890MPUH#PBF	Analog Devices	Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr Learn More about Analog Devices adi ltc389x controllers	Datasheet	405In Stock	CHF 38.43 CHF 31.48 CHF 28.20 CHF 27.42 CHF 26.88	Min.: 1 Mult.: 1 Max.: 324
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891EFE#PBF Analog Devices 1: CHF 10.30 1’056In Stock	Mfr. Part No. LTC3891EFE#PBF Mouser Part No 584-LTC3891EFE#PBF	Analog Devices	Switching Voltage Regulators L IQ, 60V Sync Buck Cntr Learn More about Analog Devices adi ltc389x controllers	Datasheet	1’056In Stock	CHF 10.30 CHF 8.07 CHF 7.51 CHF 6.88 View CHF 6.81 CHF 6.41	Min.: 1 Mult.: 1 Max.: 844
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890HUH-2#PBF Analog Devices 1: CHF 15.11 92In Stock	Mfr. Part No. LTC3890HUH-2#PBF Mouser Part No 584-LTC3890HUH-2#PBF	Analog Devices	Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr Learn More about Analog Devices adi ltc389x controllers	Datasheet	92In Stock	CHF 15.11 CHF 11.98 CHF 11.19 CHF 10.32 View CHF 9.85 CHF 9.67	Min.: 1 Mult.: 1
Switching Voltage Regulators 60V L IQ, 3x Out, Buck/Buck/Boost Sync C LTC3899IFE#PBF Analog Devices 1: CHF 15.09 88In Stock	Mfr. Part No. LTC3899IFE#PBF Mouser Part No 584-LTC3899IFE#PBF	Analog Devices	Switching Voltage Regulators 60V L IQ, 3x Out, Buck/Buck/Boost Sync C Learn More about Analog Devices adi ltc389x controllers	Datasheet	88In Stock	CHF 15.09 CHF 12.00 CHF 10.76 CHF 10.38 View CHF 9.94 CHF 9.73 Quote	Min.: 1 Mult.: 1
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3892IUH#TRPBF Analog Devices 1: CHF 15.16 2’889In Stock	Mfr. Part No. LTC3892IUH#TRPBF Mouser Part No 584-LTC3892IUH#TRPBF	Analog Devices	Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr Learn More about Analog Devices adi ltc389x controllers	Datasheet	2’889In Stock	Cut Tape CHF 15.16 CHF 12.05 CHF 11.26 CHF 10.45 View Reel CHF 10.09 CHF 10.20 CHF 10.10 CHF 10.09 CHF 10.09 MouseReel Available	Min.: 1 Mult.: 1 Max.: 2’311 : 2’500
Switching Voltage Regulators 150V L IQ, Sync Buck DC/DC Cntr LTC3895HFE#PBF Analog Devices 1: CHF 15.12 1’332In Stock	Mfr. Part No. LTC3895HFE#PBF Mouser Part No 584-LTC3895HFE#PBF	Analog Devices	Switching Voltage Regulators 150V L IQ, Sync Buck DC/DC Cntr Learn More about Analog Devices adi ltc389x controllers	Datasheet	1’332In Stock	CHF 15.12 CHF 11.99 CHF 11.19 CHF 10.33 View CHF 9.87 CHF 9.69	Min.: 1 Mult.: 1 Max.: 1’065
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890HUH#PBF Analog Devices 1: CHF 15.03 504In Stock	Mfr. Part No. LTC3890HUH#PBF Mouser Part No 584-LTC3890HUH#PBF	Analog Devices	Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr Learn More about Analog Devices adi ltc389x controllers	Datasheet	504In Stock	CHF 15.03 CHF 11.93 CHF 10.84 CHF 10.55	Min.: 1 Mult.: 1 Max.: 403
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890IGN-1#PBF Analog Devices 1: CHF 13.97 254In Stock	Mfr. Part No. LTC3890IGN-1#PBF Mouser Part No 584-LTC3890IGN-1#PBF	Analog Devices	Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr Learn More about Analog Devices adi ltc389x controllers	Datasheet	254In Stock	CHF 13.97 CHF 11.07 CHF 10.34 CHF 9.54	Min.: 1 Mult.: 1 Max.: 203
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891IUDC#PBF Analog Devices 1: CHF 10.98 233In Stock	Mfr. Part No. LTC3891IUDC#PBF Mouser Part No 584-LTC3891IUDC#PBF	Analog Devices	Switching Voltage Regulators L IQ, 60V Sync Buck Cntr Learn More about Analog Devices adi ltc389x controllers	Datasheet	233In Stock	CHF 10.98 CHF 8.66 CHF 7.46 CHF 7.22	Min.: 1 Mult.: 1 Max.: 186
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3892IUH-2#PBF Analog Devices 1: CHF 14.95 149In Stock	Mfr. Part No. LTC3892IUH-2#PBF Mouser Part No 584-LTC3892IUH-2#PBF	Analog Devices	Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr Learn More about Analog Devices adi ltc389x controllers	Datasheet	149In Stock	CHF 14.95 CHF 11.85 CHF 11.07 CHF 10.21	Min.: 1 Mult.: 1 Max.: 119
Switching Controllers 150V Low IQ Step-Dwn DC/DC Ctlr LTC3894EFE#TRPBF Analog Devices 1: CHF 4.17 725In Stock	Mfr. Part No. LTC3894EFE#TRPBF Mouser Part No 584-LTC3894EFE#TRPBF	Analog Devices	Switching Controllers 150V Low IQ Step-Dwn DC/DC Ctlr Learn More about Analog Devices adi ltc389x controllers	Datasheet	725In Stock	Cut Tape CHF 4.17 CHF 4.09 CHF 4.08 CHF 4.08 MouseReel Available	Min.: 1 Mult.: 1 Max.: 580
Switching Voltage Regulators 150V L IQ, Sync Buck DC/DC Cntr LTC3895IFE#TRPBF Analog Devices 1: CHF 14.24 206In Stock	Mfr. Part No. LTC3895IFE#TRPBF Mouser Part No 584-LTC3895IFE#TRPBF	Analog Devices	Switching Voltage Regulators 150V L IQ, Sync Buck DC/DC Cntr Learn More about Analog Devices adi ltc389x controllers	Datasheet	206In Stock	Cut Tape CHF 14.24 CHF 11.31 CHF 10.58 CHF 9.80 CHF 9.80 MouseReel Available	Min.: 1 Mult.: 1 Max.: 164
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890HGN-1#PBF Analog Devices 1: CHF 15.72 440In Stock	Mfr. Part No. LTC3890HGN-1#PBF Mouser Part No 584-LTC3890HGN-1#PBF	Analog Devices	Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr Learn More about Analog Devices adi ltc389x controllers	Datasheet	440In Stock	CHF 15.72 CHF 12.50 CHF 11.23 CHF 10.61 CHF 10.33	Min.: 1 Mult.: 1 Max.: 352
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890IUH#PBF Analog Devices 1: CHF 14.30 147In Stock	Mfr. Part No. LTC3890IUH#PBF Mouser Part No 584-LTC3890IUH#PBF	Analog Devices	Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr Learn More about Analog Devices adi ltc389x controllers	Datasheet	147In Stock	CHF 14.30 CHF 11.33 CHF 10.60 CHF 9.77	Min.: 1 Mult.: 1 Max.: 117
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890IUH#TRPBF Analog Devices 1: CHF 14.30 259In Stock	Mfr. Part No. LTC3890IUH#TRPBF Mouser Part No 584-LTC3890IUH#TRPBF	Analog Devices	Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr Learn More about Analog Devices adi ltc389x controllers	Datasheet	259In Stock	Cut Tape CHF 14.30 CHF 11.33 CHF 10.60 CHF 9.78 CHF 9.78 MouseReel Available	Min.: 1 Mult.: 1 Max.: 207
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890MPGN-1#PBF Analog Devices 1: CHF 36.34 28In Stock	Mfr. Part No. LTC3890MPGN-1#PBF Mouser Part No 584-LTC3890MPGN-1PBF	Analog Devices	Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr Learn More about Analog Devices adi ltc389x controllers	Datasheet	28In Stock	CHF 36.34 CHF 30.31 CHF 28.33 CHF 27.28	Min.: 1 Mult.: 1
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891EUDC#PBF Analog Devices 1: CHF 9.72 1’053In Stock	Mfr. Part No. LTC3891EUDC#PBF Mouser Part No 584-LTC3891EUDC#PBF	Analog Devices	Switching Voltage Regulators L IQ, 60V Sync Buck Cntr Learn More about Analog Devices adi ltc389x controllers	Datasheet	1’053In Stock	CHF 9.72 CHF 7.62 CHF 6.55 CHF 6.33 View CHF 6.22 CHF 6.06	Min.: 1 Mult.: 1 Max.: 842
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891EUDC#TRPBF Analog Devices 1: CHF 9.38 1’483In Stock	Mfr. Part No. LTC3891EUDC#TRPBF Mouser Part No 584-LTC3891EUDCTRPBF	Analog Devices	Switching Voltage Regulators L IQ, 60V Sync Buck Cntr Learn More about Analog Devices adi ltc389x controllers	Datasheet	1’483In Stock	Cut Tape CHF 9.38 CHF 7.33 CHF 6.82 CHF 6.26 View CHF 6.07 CHF 6.01 CHF 5.92 CHF 5.92 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1’186
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891HFE#PBF Analog Devices 1: CHF 12.54 220In Stock	Mfr. Part No. LTC3891HFE#PBF Mouser Part No 584-LTC3891HFE#PBF	Analog Devices	Switching Voltage Regulators L IQ, 60V Sync Buck Cntr Learn More about Analog Devices adi ltc389x controllers	Datasheet	220In Stock	CHF 12.54 CHF 9.82 CHF 9.14 CHF 8.39	Min.: 1 Mult.: 1 Max.: 276
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891IFE#PBF Analog Devices 1: CHF 11.75 482In Stock	Mfr. Part No. LTC3891IFE#PBF Mouser Part No 584-LTC3891IFE#PBF	Analog Devices	Switching Voltage Regulators L IQ, 60V Sync Buck Cntr Learn More about Analog Devices adi ltc389x controllers	Datasheet	482In Stock	CHF 11.75 CHF 9.19 CHF 8.56 CHF 7.85 CHF 7.78	Min.: 1 Mult.: 1 Max.: 385

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