Voltage Regulators & Voltage Controllers

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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 (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	Mounting Style	Package/Case	Output Voltage
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890EGN-1#PBF Analog Devices 1: €12.91 1,589In 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	1,589In Stock	€12.91 €10.18 €9.06 €8.53 View €8.34 €8.27 €8.12 Quote	Min.: 1 Mult.: 1	SMD/SMT	SSOP-28	800 mV to 24 V
Switching Voltage Regulators 150V L IQ, Sync Buck DC/DC Cntr LTC3895IFE#PBF Analog Devices 1: €15.11 4,956In 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	4,956In Stock 500On Order	€15.11 €11.72 €10.72 €10.31 View €9.93 €9.60	Min.: 1 Mult.: 1	SMD/SMT	TSSOP-EP-38	800 mV to 60 V
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891EFE#TRPBF Analog Devices 1: €10.83 9,476In 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	9,476In Stock	Cut Tape €10.83 €8.56 €7.80 €7.28 View Reel €6.26 €7.22 €6.97 €6.81 €6.26 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	TSSOP-EP-20	800 mV to 24 V
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890MPUH#PBF Analog Devices 1: €41.06 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	€41.06 €33.63 €30.13 €29.30 View €28.72 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-32	800 mV to 24 V
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891EFE#PBF Analog Devices 1: €10.84 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	€10.84 €8.50 €7.86 €7.14 View €6.97 €6.82 €6.69 Quote	Min.: 1 Mult.: 1	SMD/SMT	TSSOP-EP-20	800 mV to 24 V
Switching Voltage Regulators 60V L IQ, 3x Out, Buck/Buck/Boost Sync C LTC3899IFE#PBF Analog Devices 1: €16.10 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	€16.10 €12.81 €11.50 €11.09 View €10.62 €10.40 €10.39 Quote	Min.: 1 Mult.: 1	SMD/SMT	TSSOP-EP-38	800 mV to 60 V
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890HUH-2#PBF Analog Devices 1: €16.14 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	€16.14 €12.80 €11.96 €10.83 View €10.52 €10.33 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-32	800 mV to 24 V
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3892IUH#TRPBF Analog Devices 1: €16.20 2,859In 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	2,859In Stock	Cut Tape €16.20 €12.87 €12.03 €11.16 View Reel €10.71 €10.90 €10.79 €10.78 €10.71 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	QFN-32	800 mV to 59.4 V
Switching Controllers 150V Low IQ Step-Dwn DC/DC Ctlr LTC3894EFE#PBF Analog Devices 1: €7.90 4,826In 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	4,826In Stock	€7.90 €6.15 €5.68 €5.11 View €4.97 €4.85 €4.73 €4.48	Min.: 1 Mult.: 1	SMD/SMT	TSSOP-20-16	800 mV to 60 V
Switching Voltage Regulators 150V L IQ, Sync Buck DC/DC Cntr LTC3895HFE#PBF Analog Devices 1: €16.15 1,289In 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	1,289In Stock	€16.15 €12.81 €11.96 €11.04 View €10.54 €10.35	Min.: 1 Mult.: 1	SMD/SMT	TSSOP-EP-38	800 mV to 60 V
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890HUH#PBF Analog Devices 1: €16.06 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	€16.06 €12.75 €11.58 €11.27 View €11.07 €10.31 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-32	800 mV to 24 V
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890IGN-1#PBF Analog Devices 1: €14.92 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	€14.92 €11.83 €11.05 €10.19 View €9.72 €9.55	Min.: 1 Mult.: 1	SMD/SMT	SSOP-28	800 mV to 24 V
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3892IUH-2#PBF Analog Devices 1: €15.97 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	€15.97 €12.66 €11.83 €10.91 View €10.35 €10.19 €10.18	Min.: 1 Mult.: 1	SMD/SMT	QFN-32	800 mV to 59.4 V
Switching Controllers 150V Low IQ Step-Dwn DC/DC Ctlr LTC3894EFE#TRPBF Analog Devices 1: €4.46 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 €4.46 €4.37 €4.36 €4.36 MouseReel Available	Min.: 1 Mult.: 1	SMD/SMT	TSSOP-20-16	800 mV to 60 V
Switching Voltage Regulators 150V L IQ, Sync Buck DC/DC Cntr LTC3895IFE#TRPBF Analog Devices 1: €15.21 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 €15.21 €12.08 €11.30 €10.47 View €9.98 €9.88 €9.41 MouseReel Available	Min.: 1 Mult.: 1	SMD/SMT	TSSOP-EP-38	800 mV to 60 V
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890HGN-1#PBF Analog Devices 1: €16.80 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	€16.80 €13.36 €12.00 €11.34 View €11.04 €10.80 €10.01 Quote	Min.: 1 Mult.: 1	SMD/SMT	SSOP-28	800 mV to 24 V
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890IUH#PBF Analog Devices 1: €15.28 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	€15.28 €12.11 €11.32 €10.44 View €9.96 €9.75 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-32	800 mV to 24 V
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890IUH#TRPBF Analog Devices 1: €15.28 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 €15.28 €12.11 €11.32 €10.45 €10.03 €8.92 MouseReel Available	Min.: 1 Mult.: 1	SMD/SMT	QFN-32	800 mV to 24 V
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890MPGN-1#PBF Analog Devices 1: €38.82 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	€38.82 €32.38 €30.27 €29.15 Quote Quote	Min.: 1 Mult.: 1	SMD/SMT	SSOP-28	800 mV to 24 V
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891EUDC#PBF Analog Devices 1: €10.38 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	€10.38 €8.14 €7.00 €6.76 View €6.64 €6.47 €6.35 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	800 mV to 24 V
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891EUDC#TRPBF Analog Devices 1: €10.02 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 €10.02 €7.83 €7.29 €6.69 View €6.48 €6.42 €6.33 €5.88 MouseReel Available	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	800 mV to 24 V
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891HFE#PBF Analog Devices 1: €13.40 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	€13.40 €10.49 €9.77 €8.96 View €8.88 €8.35 €8.17 Quote	Min.: 1 Mult.: 1	SMD/SMT	TSSOP-EP-20	800 mV to 24 V
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891IFE#PBF Analog Devices 1: €12.55 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	€12.55 €9.82 €9.14 €8.39 View €8.31 €7.83 €7.65 Quote	Min.: 1 Mult.: 1	SMD/SMT	TSSOP-EP-20	800 mV to 24 V
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891IUDC#TRPBF Analog Devices 1: €11.73 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 €11.73 €9.25 €8.62 €7.94 View €7.91 €7.45 €7.32 €6.89 MouseReel Available	Min.: 1 Mult.: 1	SMD/SMT	QFN-20	800 mV to 24 V
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891MPFE#PBF Analog Devices 1: €29.52 312In 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	312In Stock 222On Order	€29.52 €23.90 €22.50 €21.56 View €20.21 €20.01 Quote	Min.: 1 Mult.: 1	SMD/SMT	TSSOP-20	800 mV to 24 V

LTC389x Synchronous DC/DC Controllers

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