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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 (GBP) Filter the results in the table by unit price based on your quantity.	Qty.
Switching Controllers 150V Low IQ Step-Dwn DC/DC Ctlr LTC3894EFE#PBF Analog Devices 1: £6.90 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	£6.90 £5.37 £4.64 £4.46 View £4.34 £4.23 £4.13 £3.91	Min.: 1 Mult.: 1 Max.: 4,902
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890EGN-1#PBF Analog Devices 1: £11.39 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	£11.39 £9.00 £8.06 £7.60 View £7.38 £7.26 £7.11	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: £11.66 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 £11.66 £9.23 £8.62 £7.96 View Reel £6.93 £7.49 £7.32 £6.93 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: £13.28 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	£13.28 £10.55 £9.45 £9.11 View £8.70 £8.54 Quote	Min.: 1 Mult.: 1 Max.: 3,966
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891EFE#TRPBF Analog Devices 1: £9.52 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 £9.52 £7.47 £6.96 £6.41 View Reel £5.54 £6.36 £5.99 £5.86 £5.54 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: £35.85 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	£35.85 £29.36 £26.30 £25.58 £25.07	Min.: 1 Mult.: 1 Max.: 324
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891EFE#PBF Analog Devices 1: £9.60 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	£9.60 £7.53 £7.00 £6.42 View £6.36 £5.98	Min.: 1 Mult.: 1 Max.: 844
Switching Voltage Regulators 60V L IQ, 3x Out, Buck/Buck/Boost Sync C LTC3899IFE#PBF Analog Devices 1: £14.07 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	£14.07 £11.19 £10.04 £9.68 View £9.27 £9.08 £9.07 Quote	Min.: 1 Mult.: 1
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890HUH-2#PBF Analog Devices 1: £14.09 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	£14.09 £11.17 £10.44 £9.63 View £9.18 £9.02	Min.: 1 Mult.: 1
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3892IUH#TRPBF Analog Devices 1: £14.14 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 £14.14 £11.24 £10.50 £9.74 View Reel £9.41 £9.52 £9.42 £9.41 £9.41 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: £14.10 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	£14.10 £11.18 £10.44 £9.64 View £9.20 £9.04	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: £14.02 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	£14.02 £11.13 £10.11 £9.84	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: £13.03 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	£13.03 £10.33 £9.65 £8.90	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: £13.94 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	£13.94 £11.05 £10.33 £9.52	Min.: 1 Mult.: 1 Max.: 119
Switching Controllers 150V Low IQ Step-Dwn DC/DC Ctlr LTC3894EFE#TRPBF Analog Devices 1: £3.89 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 £3.89 £3.82 £3.81 £3.81 MouseReel Available	Min.: 1 Mult.: 1 Max.: 575
Switching Voltage Regulators 150V L IQ, Sync Buck DC/DC Cntr LTC3895IFE#TRPBF Analog Devices 1: £13.28 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 £13.28 £10.55 £9.86 £9.14 £9.14 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: £14.67 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	£14.67 £11.66 £10.48 £9.90 £9.64	Min.: 1 Mult.: 1 Max.: 340
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890IUH#PBF Analog Devices 1: £13.34 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	£13.34 £10.57 £9.88 £9.11	Min.: 1 Mult.: 1 Max.: 117
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890IUH#TRPBF Analog Devices 1: £13.34 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 £13.34 £10.57 £9.88 £9.12 £9.12 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: £33.89 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	£33.89 £28.27 £26.43 £25.45 Quote Quote	Min.: 1 Mult.: 1
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891EUDC#PBF Analog Devices 1: £9.06 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	£9.06 £7.11 £6.11 £5.90 View £5.80 £5.65	Min.: 1 Mult.: 1 Max.: 842
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891EUDC#TRPBF Analog Devices 1: £8.75 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 £8.75 £6.84 £6.36 £5.84 View £5.66 £5.60 £5.53 £5.53 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,186
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891HFE#PBF Analog Devices 1: £11.70 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	£11.70 £9.16 £8.53 £7.82	Min.: 1 Mult.: 1 Max.: 144
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891IFE#PBF Analog Devices 1: £10.96 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	£10.96 £8.57 £7.98 £7.32 £7.25	Min.: 1 Mult.: 1 Max.: 385
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891IUDC#TRPBF Analog Devices 1: £10.24 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 £10.24 £8.08 £7.53 £6.93 £6.91 £6.91 MouseReel Available	Min.: 1 Mult.: 1 Max.: 276

LTC389x Synchronous DC/DC Controllers

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