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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 (USD) 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: $15.01 1,489In 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	1,489In Stock	$15.01 $11.84 $10.53 $9.92 View $9.70 $9.62 $9.44 Quote	Min.: 1 Mult.: 1
Switching Voltage Regulators 150V L IQ, Sync Buck DC/DC Cntr LTC3895IFE#PBF Analog Devices 1: $17.57 4,955In 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	4,955In Stock 500On Order	$17.57 $13.63 $12.47 $11.99 View $11.55 $11.16	Min.: 1 Mult.: 1
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890MPUH#PBF Analog Devices 1: $47.69 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	$47.69 $39.07 $35.04 $34.07 View $33.36 Quote	Min.: 1 Mult.: 1
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891EFE#PBF Analog Devices 1: $12.60 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	$12.60 $9.88 $9.14 $8.30 View $8.11 $7.93 $7.78 Quote	Min.: 1 Mult.: 1
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890HUH-2#PBF Analog Devices 1: $18.77 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	$18.77 $14.88 $13.91 $12.59 View $12.23 $12.01 Quote	Min.: 1 Mult.: 1
Switching Voltage Regulators 60V L IQ, 3x Out, Buck/Buck/Boost Sync C LTC3899IFE#PBF Analog Devices 1: $18.72 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	$18.72 $14.89 $13.37 $12.89 View $12.35 $12.09 Quote	Min.: 1 Mult.: 1
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891EFE#TRPBF Analog Devices 1: $12.59 9,477In 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	9,477In Stock	Cut Tape $12.59 $9.95 $9.07 $8.46 View Reel $7.28 $8.40 $8.11 $7.92 $7.28 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3892IUH#TRPBF Analog Devices 1: $18.84 2,640In 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	2,640In Stock	Cut Tape $18.84 $14.96 $13.99 $12.98 View Reel $12.45 $12.67 $12.55 $12.54 $12.45 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Switching Controllers 150V Low IQ Step-Dwn DC/DC Ctlr LTC3894EFE#PBF Analog Devices 1: $9.19 4,426In 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	4,426In Stock	$9.19 $7.15 $6.18 $6.09 View $5.81 $5.65 $5.50 Quote	Min.: 1 Mult.: 1
Switching Voltage Regulators 150V L IQ, Sync Buck DC/DC Cntr LTC3895HFE#PBF Analog Devices 1: $18.78 1,286In 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	1,286In Stock	$18.78 $14.89 $13.91 $12.84 View $12.25 $12.03	Min.: 1 Mult.: 1
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890HUH#PBF Analog Devices 1: $18.68 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	$18.68 $14.83 $13.47 $13.11 View $12.87 Quote	Min.: 1 Mult.: 1
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890IGN-1#PBF Analog Devices 1: $17.35 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	$17.35 $13.75 $12.85 $11.85 View $11.30 $11.10	Min.: 1 Mult.: 1
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3892IUH-2#PBF Analog Devices 1: $18.57 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	$18.57 $14.72 $13.76 $12.69 View $12.04 $11.85 Quote	Min.: 1 Mult.: 1
Switching Voltage Regulators 150V L IQ, Sync Buck DC/DC Cntr LTC3895IFE#TRPBF Analog Devices 1: $17.69 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 $17.69 $14.05 $13.14 $12.17 View $11.61 $11.49 $10.94 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: $19.54 224In 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	224In Stock	$19.54 $15.54 $13.95 $13.19 View $12.84 $12.56 $11.64 Quote	Min.: 1 Mult.: 1
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890IUH#PBF Analog Devices 1: $17.77 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	$17.77 $14.08 $13.16 $12.14 View $11.58 $11.34 Quote	Min.: 1 Mult.: 1
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890IUH#TRPBF Analog Devices 1: $17.77 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 $17.77 $14.08 $13.16 $12.15 $11.66 $10.36 MouseReel Available	Min.: 1 Mult.: 1
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891EUDC#PBF Analog Devices 1: $12.07 1,023In 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	1,023In Stock	$12.07 $9.47 $8.14 $7.86 View $7.72 $7.52 $7.38 Quote	Min.: 1 Mult.: 1
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891EUDC#TRPBF Analog Devices 1: $11.65 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 $11.65 $9.11 $8.48 $7.78 View $7.53 $7.46 $7.36 $6.82 MouseReel Available	Min.: 1 Mult.: 1
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891HFE#PBF Analog Devices 1: $15.58 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	$15.58 $12.20 $11.36 $10.42 View $10.32 $9.71 $9.50 Quote	Min.: 1 Mult.: 1
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891IFE#PBF Analog Devices 1: $14.59 372In 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	372In Stock	$14.59 $11.42 $10.63 $9.76 View $9.66 $9.10 $8.89 Quote	Min.: 1 Mult.: 1
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891IUDC#TRPBF Analog Devices 1: $13.64 327In 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	327In Stock	Cut Tape $13.64 $10.75 $10.02 $9.23 View $9.20 $8.66 $8.51 $8.01 MouseReel Available	Min.: 1 Mult.: 1
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891MPFE#PBF Analog Devices 1: $34.33 306In Stock 222On Order	Mfr. Part No. LTC3891MPFE#PBF Mouser Part No 584-LTC3891MPFE#PBF	Analog Devices	Switching Voltage Regulators L IQ, 60V Sync Buck Cntr Learn More about Analog Devices adi ltc389x controllers	Datasheet	306In Stock 222On Order	$34.33 $27.79 $26.16 $25.07 View $23.50 Quote	Min.: 1 Mult.: 1
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891MPUDC#PBF Analog Devices 1: $33.53 31In Stock	Mfr. Part No. LTC3891MPUDC#PBF Mouser Part No 584-LTC3891MPUDC#PBF	Analog Devices	Switching Voltage Regulators L IQ, 60V Sync Buck Cntr Learn More about Analog Devices adi ltc389x controllers	Datasheet	31In Stock	$33.53 $26.97 $24.57 $23.26 View $22.64 Quote	Min.: 1 Mult.: 1
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3892EUH-2#PBF Analog Devices 1: $17.20 185In Stock	Mfr. Part No. LTC3892EUH-2#PBF Mouser Part No 584-LTC3892EUH-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	185In Stock	$17.20 $13.47 $12.53 $11.50 View $11.39 $10.72 $10.48 Quote	Min.: 1 Mult.: 1

LTC389x Synchronous DC/DC Controllers

Types of Semiconductors

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LTC389x Synchronous DC/DC Controllers

Types of Semiconductors