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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 (CAD) Filter the results in the table by unit price based on your quantity.	Qty.
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890EGN-1#PBF Analog Devices 1: $21.84 1,649In Stock	Mfr. Part # LTC3890EGN-1#PBF Mouser Part # 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	$21.84 $17.27 $15.45 $14.57 View $14.16 $13.92 $13.62	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: $22.36 5,635In Stock	Mfr. Part # LTC3890EUH#TRPBF Mouser Part # 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 $22.36 $17.70 $16.53 $15.28 View Reel $13.29 $14.37 $14.05 $13.29 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: $25.47 4,958In Stock 500On Order	Mfr. Part # LTC3895IFE#PBF Mouser Part # 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	$25.47 $20.23 $18.12 $17.47 View $16.69 $16.37 Quote	Min.: 1 Mult.: 1 Max.: 3,966
Switching Controllers 150V Low IQ Step-Dwn DC/DC Ctlr LTC3894EFE#PBF Analog Devices 1: $13.23 6,424In Stock	Mfr. Part # LTC3894EFE#PBF Mouser Part # 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	$13.23 $10.30 $8.90 $8.55 View $8.32 $8.12 $7.92 Quote	Min.: 1 Mult.: 1 Max.: 5,139
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891EFE#TRPBF Analog Devices 1: $18.24 11,981In Stock	Mfr. Part # LTC3891EFE#TRPBF Mouser Part # 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 $18.24 $14.33 $13.35 $12.28 View Reel $10.63 $12.21 $11.49 $11.23 $10.63 MouseReel Available	Min.: 1 Mult.: 1 Max.: 9,584 : 2,500
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890MPUH#PBF Analog Devices 1: $68.75 405In Stock	Mfr. Part # LTC3890MPUH#PBF Mouser Part # 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	$68.75 $56.32 $50.46 $49.06 $48.08	Min.: 1 Mult.: 1 Max.: 324
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891EFE#PBF Analog Devices 1: $18.42 1,056In Stock	Mfr. Part # LTC3891EFE#PBF Mouser Part # 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	$18.42 $14.43 $13.42 $12.31 View $12.20 $11.48	Min.: 1 Mult.: 1 Max.: 844
Switching Voltage Regulators 60V L IQ, 3x Out, Buck/Buck/Boost Sync C LTC3899IFE#PBF Analog Devices 1: $26.99 88In Stock	Mfr. Part # LTC3899IFE#PBF Mouser Part # 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	$26.99 $21.47 $19.25 $18.56 View $17.78 $17.41 Quote	Min.: 1 Mult.: 1
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890HUH-2#PBF Analog Devices 1: $27.03 92In Stock	Mfr. Part # LTC3890HUH-2#PBF Mouser Part # 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	$27.03 $21.43 $20.03 $18.48 View $17.61 $17.29	Min.: 1 Mult.: 1
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3892IUH#TRPBF Analog Devices 1: $27.13 2,889In Stock	Mfr. Part # LTC3892IUH#TRPBF Mouser Part # 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 $27.13 $21.54 $20.15 $18.69 View Reel $18.06 $18.24 $18.07 $18.06 $18.06 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: $27.04 1,332In Stock	Mfr. Part # LTC3895HFE#PBF Mouser Part # 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	$27.04 $21.44 $20.03 $18.49 View $17.64 $17.32	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: $26.90 504In Stock	Mfr. Part # LTC3890HUH#PBF Mouser Part # 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	$26.90 $21.36 $19.40 $18.88	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: $24.98 254In Stock	Mfr. Part # LTC3890IGN-1#PBF Mouser Part # 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	$24.98 $19.80 $18.50 $17.06	Min.: 1 Mult.: 1 Max.: 203
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3892IUH-2#PBF Analog Devices 1: $26.74 149In Stock	Mfr. Part # LTC3892IUH-2#PBF Mouser Part # 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	$26.74 $21.20 $19.81 $18.27	Min.: 1 Mult.: 1 Max.: 119
Switching Controllers 150V Low IQ Step-Dwn DC/DC Ctlr LTC3894EFE#TRPBF Analog Devices 1: $7.47 725In Stock	Mfr. Part # LTC3894EFE#TRPBF Mouser Part # 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 $7.47 $7.32 $7.16 $7.01 View $6.90 $6.80 $6.80 MouseReel Available	Min.: 1 Mult.: 1 Max.: 580
Switching Voltage Regulators 150V L IQ, Sync Buck DC/DC Cntr LTC3895IFE#TRPBF Analog Devices 1: $25.47 206In Stock	Mfr. Part # LTC3895IFE#TRPBF Mouser Part # 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 $25.47 $20.23 $18.92 $17.52 $17.52 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: $28.14 425In Stock	Mfr. Part # LTC3890HGN-1#PBF Mouser Part # 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	425In Stock	$28.14 $22.38 $20.09 $18.99 $18.49	Min.: 1 Mult.: 1 Max.: 352
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890IUH#PBF Analog Devices 1: $25.59 147In Stock	Mfr. Part # LTC3890IUH#PBF Mouser Part # 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	$25.59 $20.28 $18.95 $17.48	Min.: 1 Mult.: 1 Max.: 117
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890IUH#TRPBF Analog Devices 1: $25.59 259In Stock	Mfr. Part # LTC3890IUH#TRPBF Mouser Part # 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 $25.59 $20.28 $18.95 $17.50 $17.50 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: $65.00 28In Stock	Mfr. Part # LTC3890MPGN-1#PBF Mouser Part # 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	$65.00 $54.22 $50.69 $48.80 Quote Quote	Min.: 1 Mult.: 1
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891EUDC#PBF Analog Devices 1: $17.38 1,053In Stock	Mfr. Part # LTC3891EUDC#PBF Mouser Part # 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	$17.38 $13.64 $11.72 $11.32 View $11.12 $10.83	Min.: 1 Mult.: 1 Max.: 842
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891EUDC#TRPBF Analog Devices 1: $16.78 1,483In Stock	Mfr. Part # LTC3891EUDC#TRPBF Mouser Part # 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 $16.78 $13.12 $12.21 $11.20 View $10.84 $10.74 $10.60 $10.60 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,186
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891HFE#PBF Analog Devices 1: $22.44 220In Stock	Mfr. Part # LTC3891HFE#PBF Mouser Part # 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	$22.44 $17.57 $16.36 $15.00	Min.: 1 Mult.: 1 Max.: 276
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891IFE#PBF Analog Devices 1: $21.01 482In Stock	Mfr. Part # LTC3891IFE#PBF Mouser Part # 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	$21.01 $16.44 $15.31 $14.05 $13.91	Min.: 1 Mult.: 1 Max.: 385
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891IUDC#PBF Analog Devices 1: $19.64 19In Stock	Mfr. Part # LTC3891IUDC#PBF Mouser Part # 584-LTC3891IUDC#PBF	Analog Devices	Switching Voltage Regulators L IQ, 60V Sync Buck Cntr Learn More about Analog Devices adi ltc389x controllers	Datasheet	19In Stock	$19.64 $15.48 $13.35 $12.90	Min.: 1 Mult.: 1 Max.: 186

LTC389x Synchronous DC/DC Controllers

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