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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 (SGD) 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: $20.63 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	$20.63 $16.31 $14.59 $13.76 View $13.37 $13.15 $12.87 Quote	Min.: 1 Mult.: 1
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890EUH#TRPBF Analog Devices 1: $21.12 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 $21.12 $16.71 $15.61 $14.43 View Reel $12.55 $13.57 $13.27 $12.55 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Switching Voltage Regulators 150V L IQ, Sync Buck DC/DC Cntr LTC3895IFE#PBF Analog Devices 1: $24.06 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	$24.06 $19.11 $17.11 $16.50 View $15.76 $15.46 Quote	Min.: 1 Mult.: 1
Switching Controllers 150V Low IQ Step-Dwn DC/DC Ctlr LTC3894EFE#PBF Analog Devices 1: $12.50 6,128In 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	6,128In Stock	$12.50 $9.72 $8.40 $8.08 View $7.86 $7.67 $7.48 Quote	Min.: 1 Mult.: 1
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891EFE#TRPBF Analog Devices 1: $17.23 11,976In 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	11,976In Stock	Cut Tape $17.23 $13.53 $12.61 $11.60 View Reel $10.04 $11.53 $10.85 $10.61 $10.04 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890MPUH#PBF Analog Devices 1: $64.93 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	$64.93 $53.19 $47.65 $46.34 View $45.41 Quote	Min.: 1 Mult.: 1
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891EFE#PBF Analog Devices 1: $17.39 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	$17.39 $13.63 $12.68 $11.63 View $11.52 $10.84 $10.59 Quote	Min.: 1 Mult.: 1
Switching Voltage Regulators 60V L IQ, 3x Out, Buck/Buck/Boost Sync C LTC3899IFE#PBF Analog Devices 1: $25.49 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	$25.49 $20.28 $18.18 $17.53 View $16.80 $16.44 Quote	Min.: 1 Mult.: 1
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890HUH-2#PBF Analog Devices 1: $25.53 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	$25.53 $20.24 $18.92 $17.45 View $16.63 $16.33	Min.: 1 Mult.: 1
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3892IUH#TRPBF Analog Devices 1: $25.62 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 $25.62 $20.35 $19.03 $17.65 View Reel $16.93 $17.23 $17.07 $17.05 $16.93 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Switching Voltage Regulators 150V L IQ, Sync Buck DC/DC Cntr LTC3895HFE#PBF Analog Devices 1: $25.54 1,329In 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	1,329In Stock	$25.54 $20.25 $18.92 $17.46 View $16.66 $16.36	Min.: 1 Mult.: 1
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890HUH#PBF Analog Devices 1: $25.40 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	$25.40 $20.17 $18.32 $17.83 View $17.50 Quote	Min.: 1 Mult.: 1
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890IGN-1#PBF Analog Devices 1: $23.60 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	$23.60 $18.70 $17.48 $16.12 View $15.37 $15.10	Min.: 1 Mult.: 1
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3892IUH-2#PBF Analog Devices 1: $25.26 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	$25.26 $20.02 $18.71 $17.26 View $16.37 $16.12 Quote	Min.: 1 Mult.: 1
Switching Controllers 150V Low IQ Step-Dwn DC/DC Ctlr LTC3894EFE#TRPBF Analog Devices 1: $7.06 719In 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	719In Stock	Cut Tape $7.06 $6.91 $6.76 $6.62 View $6.51 $6.42 $6.32 $6.23 MouseReel Available	Min.: 1 Mult.: 1
Switching Voltage Regulators 150V L IQ, Sync Buck DC/DC Cntr LTC3895IFE#TRPBF Analog Devices 1: $24.06 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 $24.06 $19.11 $17.87 $16.55 View $15.79 $15.63 $14.88 MouseReel Available	Min.: 1 Mult.: 1
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890HGN-1#PBF Analog Devices 1: $26.57 425In 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	425In Stock	$26.57 $21.13 $18.97 $17.94 View $17.46 $17.08 $15.83 Quote	Min.: 1 Mult.: 1
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890IUH#PBF Analog Devices 1: $24.17 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	$24.17 $19.15 $17.90 $16.51 View $15.75 $15.42 Quote	Min.: 1 Mult.: 1
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890IUH#TRPBF Analog Devices 1: $24.17 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 $24.17 $19.15 $17.90 $16.52 $15.86 $14.09 MouseReel Available	Min.: 1 Mult.: 1
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890MPGN-1#PBF Analog Devices 1: $61.39 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	$61.39 $51.20 $47.87 $46.09 Quote Quote	Min.: 1 Mult.: 1
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891EUDC#PBF Analog Devices 1: $16.42 1,048In 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	1,048In Stock	$16.42 $12.88 $11.07 $10.69 View $10.50 $10.23 $10.04 Quote	Min.: 1 Mult.: 1
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891EUDC#TRPBF Analog Devices 1: $15.84 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 $15.84 $12.39 $11.53 $10.58 View $10.24 $10.15 $10.01 $9.28 MouseReel Available	Min.: 1 Mult.: 1
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891HFE#PBF Analog Devices 1: $21.19 180In 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	180In Stock	$21.19 $16.59 $15.45 $14.17 View $14.04 $13.21 $12.92 Quote	Min.: 1 Mult.: 1
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891IFE#PBF Analog Devices 1: $19.84 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	$19.84 $15.53 $14.46 $13.27 View $13.14 $12.38 $12.09 Quote	Min.: 1 Mult.: 1
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891IUDC#TRPBF Analog Devices 1: $18.55 346In Stock	Mfr. Part No. LTC3891IUDC#TRPBF Mouser Part No 584-LTC3891IUDCTRPBF	Analog Devices	Switching Voltage Regulators L IQ, 60V Sync Buck Cntr Learn More about Analog Devices adi ltc389x controllers	Datasheet	346In Stock	Cut Tape $18.55 $14.62 $13.63 $12.55 View $12.51 $11.78 $11.57 $10.89 MouseReel Available	Min.: 1 Mult.: 1

LTC389x Synchronous DC/DC Controllers

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LTC389x Synchronous DC/DC Controllers

Types of Semiconductors