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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 (IDR) 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: Rp279.226 1.764In 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	1.764In Stock	Rp279.226 Rp219.418 Rp197.586 Rp186.028 View Rp183.827 Rp176.855 Rp174.287	Min.: 1 Mult.: 1 Max.: 1.411
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890EUH#TRPBF Analog Devices 1: Rp265.650 5.735In 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	5.735In Stock	Cut Tape Rp265.650 Rp229.875 Rp190.982 Rp179.424 Rp179.057 Reel Rp164.931 MouseReel Available	Min.: 1 Mult.: 1 Max.: 4.588 : 2.500
Switching Voltage Regulators 150V L IQ, Sync Buck DC/DC Cntr LTC3895IFE#PBF Analog Devices 1: Rp313.166 4.960In 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	4.960In Stock 500On Order	Rp313.166 Rp242.167 Rp221.803 Rp211.896 View Rp206.393 Rp196.669 Rp194.284 Quote	Min.: 1 Mult.: 1 Max.: 3.968
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891EFE#TRPBF Analog Devices 1: Rp231.343 12.076In 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	12.076In Stock	Cut Tape Rp231.343 Rp183.827 Rp165.297 Rp155.024 View Reel Rp135.393 Rp153.373 Rp146.401 Rp143.099 Rp135.393 MouseReel Available	Min.: 1 Mult.: 1 Max.: 9.660 : 2.500
Switching Voltage Regulators 150V L IQ, Sync Buck DC/DC Cntr LTC3895HFE#PBF Analog Devices 1: Rp332.430 1.352In 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	1.352In Stock	Rp332.430 Rp259.229 Rp239.966 Rp227.857 View Rp218.134 Rp211.162	Min.: 1 Mult.: 1 Max.: 1.137
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891IUDC#PBF Analog Devices 1: Rp250.056 348In Stock	Mfr. Part No. LTC3891IUDC#PBF Mouser Part No 584-LTC3891IUDC#PBF	Analog Devices	Switching Voltage Regulators L IQ, 60V Sync Buck Cntr Learn More about Analog Devices adi ltc389x controllers	Datasheet	348In Stock	Rp250.056 Rp196.119 Rp180.158 Rp168.049 Rp164.380	Min.: 1 Mult.: 1 Max.: 278
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3892IUH#PBF Analog Devices 1: Rp313.166 421In Stock	Mfr. Part No. LTC3892IUH#PBF Mouser Part No 584-LTC3892IUH#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	421In Stock	Rp313.166 Rp268.219 Rp243.085 Rp226.390 Rp208.044	Min.: 1 Mult.: 1 Max.: 336
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890MPUH#PBF Analog Devices 1: Rp843.366 417In 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	417In Stock	Rp843.366 Rp689.259 Rp650.916 Rp632.570 Rp588.173	Min.: 1 Mult.: 1 Max.: 333
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891EFE#PBF Analog Devices 1: Rp222.720 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	Rp222.720 Rp174.470 Rp152.639 Rp147.135 View Rp142.548 Rp139.797	Min.: 1 Mult.: 1 Max.: 844
Switching Voltage Regulators 60V L IQ, 3x Out, Buck/Buck/Boost Sync C LTC3899IFE#PBF Analog Devices 1: Rp332.430 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	Rp332.430 Rp263.449 Rp246.203 Rp227.123 View Rp216.850 Rp212.814	Min.: 1 Mult.: 1
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890HUH-2#PBF Analog Devices 1: Rp329.494 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	Rp329.494 Rp264.182 Rp224.372	Min.: 1 Mult.: 1
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891EUDC#TRPBF Analog Devices 1: Rp213.731 1.454In 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	1.454In Stock	Cut Tape Rp213.731 Rp167.132 Rp155.574 Rp142.732 View Rp138.145 Rp136.861 Rp135.027 Rp135.027 MouseReel Available	Min.: 1 Mult.: 1 Max.: 2.363
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3892IUH#TRPBF Analog Devices 1: Rp345.639 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 Rp345.639 Rp274.456 Rp256.661 Rp238.131 View Reel Rp230.059 Rp232.444 Rp230.242 Rp230.059 Rp230.059 MouseReel Available	Min.: 1 Mult.: 1 Max.: 2.311 : 2.500
Switching Controllers 150V Low IQ Step-Dwn DC/DC Ctlr LTC3894EFE#PBF Analog Devices 1: Rp170.434 6.607In 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	6.607In Stock	Rp170.434 Rp131.908 Rp122.368 Rp111.727 View Rp106.590 Rp103.655 Rp100.903 Quote	Min.: 1 Mult.: 1 Max.: 5.285
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890HUH#PBF Analog Devices 1: Rp342.703 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	Rp342.703 Rp272.071 Rp247.121 Rp240.516	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: Rp318.303 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	Rp318.303 Rp252.258 Rp235.746 Rp217.400	Min.: 1 Mult.: 1 Max.: 203
Switching Controllers 150V Low IQ Step-Dwn DC/DC Ctlr LTC3894EFE#TRPBF Analog Devices 1: Rp169.517 849In 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	849In Stock	Cut Tape Rp169.517 Rp131.357 Rp122.001 Rp111.544 View Rp107.874 Rp106.223 Rp106.223 MouseReel Available	Min.: 1 Mult.: 1 Max.: 679
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890HGN-1#PBF Analog Devices 1: Rp358.481 983In 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	983In Stock	Rp358.481 Rp285.097 Rp255.927 Rp241.984 View Rp235.563 Rp230.426	Min.: 1 Mult.: 1 Max.: 786
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890IUH#PBF Analog Devices 1: Rp326.008 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	Rp326.008 Rp258.312 Rp241.433 Rp222.720	Min.: 1 Mult.: 1 Max.: 117
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890IUH#TRPBF Analog Devices 1: Rp326.008 329In 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	329In Stock	Cut Tape Rp326.008 Rp258.312 Rp241.433 Rp222.904 Rp213.914 Rp213.914 MouseReel Available	Min.: 1 Mult.: 1 Max.: 263
Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr LTC3890MPGN-1#PBF Analog Devices 1: Rp828.138 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	Rp828.138 Rp690.727 Rp645.779 Rp621.746 Quote Quote	Min.: 1 Mult.: 1
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891EUDC#PBF Analog Devices 1: Rp221.436 1.063In 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	1.063In Stock	Rp221.436 Rp173.737 Rp149.336 Rp144.200 View Rp141.631 Rp137.962	Min.: 1 Mult.: 1 Max.: 850
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891HFE#PBF Analog Devices 1: Rp285.831 375In 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	375In Stock	Rp285.831 Rp223.821 Rp208.411 Rp191.165 Rp189.331	Min.: 1 Mult.: 1 Max.: 300
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891IFE#PBF Analog Devices 1: Rp267.668 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	Rp267.668 Rp209.511 Rp195.018 Rp179.057 Rp177.222	Min.: 1 Mult.: 1 Max.: 385
Switching Voltage Regulators L IQ, 60V Sync Buck Cntr LTC3891IUDC#TRPBF Analog Devices 1: Rp250.239 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 Rp250.239 Rp197.220 Rp183.827 Rp169.334 Rp168.783 Rp168.783 MouseReel Available	Min.: 1 Mult.: 1 Max.: 276

LTC389x Synchronous DC/DC Controllers

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