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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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Part #

Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr

LTC3890MPGN-1#PBF
Analog Devices
1: $58.32
28In Stock

Mfr. Part No.
LTC3890MPGN-1#PBF

Mouser Part No
584-LTC3890MPGN-1PBF

Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr

Datasheet

28In Stock

$58.32

$47.65

$44.99

$42.49

View

Min.: 1
Mult.: 1

Switching Voltage Regulators 150V L IQ, Sync Inv DC/DC Cntr

LTC3896HFE#TRPBF
Analog Devices
1: $23.17
9In Stock

Mfr. Part No.
LTC3896HFE#TRPBF

Mouser Part No
584-LTC3896HFE#TRPBF

Switching Voltage Regulators 150V L IQ, Sync Inv DC/DC Cntr

Datasheet

9In Stock

Cut Tape

$23.17

$18.39

$17.19

$15.88

View

Reel

$14.29

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Switching Voltage Regulators 60V L IQ, 3x Out, Buck/Buck/Boost Sync C

LTC3899HUHF#PBF
Analog Devices
1: $26.25
42Expected 25/8/2026

Mfr. Part No.
LTC3899HUHF#PBF

Mouser Part No
584-LTC3899HUHF#PBF

Switching Voltage Regulators 60V L IQ, 3x Out, Buck/Buck/Boost Sync C

Datasheet

42Expected 25/8/2026

$26.25

$20.79

$19.43

$17.94

View

Min.: 1
Mult.: 1

Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr

LTC3890EGN-1#TRPBF
Analog Devices
2,500: $12.23
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC3890EGN-1#TRPBF

Mouser Part No
584-C3890EGN-1TRPBF

Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$12.23

Min.: 2,500
Mult.: 2,500

: 2,500

Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr

LTC3890EGN-3#TRPBF
Analog Devices
2,500: $12.23
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC3890EGN-3#TRPBF

Mouser Part No
584-C3890EGN-3TRPBF

Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$12.23

Min.: 2,500
Mult.: 2,500

: 2,500

Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr

LTC3890EUH-2#TRPBF
Analog Devices
2,500: $12.55
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC3890EUH-2#TRPBF

Mouser Part No
584-C3890EUH-2TRPBF

Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$12.55

Min.: 2,500
Mult.: 2,500

: 2,500

Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr

LTC3890HGN-1#TRPBF
Analog Devices
2,500: $15.97
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC3890HGN-1#TRPBF

Mouser Part No
584-C3890HGN-1TRPBF

Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$15.97

Min.: 2,500
Mult.: 2,500

: 2,500

Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr

LTC3890HGN-3#TRPBF
Analog Devices
2,500: $15.97
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC3890HGN-3#TRPBF

Mouser Part No
584-C3890HGN-3TRPBF

Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$15.97

Min.: 2,500
Mult.: 2,500

: 2,500

Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr

LTC3890HUH-2#TRPBF
Analog Devices
2,500: $16.33
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC3890HUH-2#TRPBF

Mouser Part No
584-C3890HUH-2TRPBF

Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$16.33

Min.: 2,500
Mult.: 2,500

: 2,500

Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr

LTC3890IGN-1#TRPBF
Analog Devices
2,500: $15.10
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC3890IGN-1#TRPBF

Mouser Part No
584-C3890IGN-1TRPBF

Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$15.10

Min.: 2,500
Mult.: 2,500

: 2,500

Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr

LTC3890IGN-3#TRPBF
Analog Devices
2,500: $15.10
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC3890IGN-3#TRPBF

Mouser Part No
584-C3890IGN-3TRPBF

Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$15.10

Min.: 2,500
Mult.: 2,500

: 2,500

Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr

LTC3890IUH-2#TRPBF
Analog Devices
2,500: $15.46
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC3890IUH-2#TRPBF

Mouser Part No
584-C3890IUH-2TRPBF

Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$15.46

Min.: 2,500
Mult.: 2,500

: 2,500

Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr

LTC3890MPGN-1#TRPBF
Analog Devices
2,500: $44.73
Non-Stocked Lead-Time 24 Weeks

Mfr. Part No.
LTC3890MPGN-1#TRPBF

Mouser Part No
584-C3890MPGN-1TRPBF

Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr

Datasheet

Non-Stocked Lead-Time 24 Weeks

Reel

$44.73

Min.: 2,500
Mult.: 2,500

: 2,500

Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr

LTC3890MPGN-3#TRPBF
Analog Devices
2,500: $44.73
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC3890MPGN-3#TRPBF

Mouser Part No
584-C3890MPGN-3TRPBF

Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$44.73

Min.: 2,500
Mult.: 2,500

: 2,500

Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr

LTC3890MPUH-2#TRPBF
Analog Devices
2,500: $45.56
Non-Stocked Lead-Time 15 Weeks

Mfr. Part No.
LTC3890MPUH-2#TRPBF

Mouser Part No
584-C3890MPUH-2TRPBF

Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr

Datasheet

Non-Stocked Lead-Time 15 Weeks

Reel

$45.56

Min.: 2,500
Mult.: 2,500

: 2,500

Switching Voltage Regulators L IQ, 60V Sync Buck Cntr

LTC3891MPUDC#TRPBF
Analog Devices
2,500: $30.65
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC3891MPUDC#TRPBF

Mouser Part No
584-C3891MPUDCTRPBF

Switching Voltage Regulators L IQ, 60V Sync Buck Cntr

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$30.65

Min.: 2,500
Mult.: 2,500

: 2,500

Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr

LTC3892EFE-1#TRPBF
Analog Devices
2,000: $13.19
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC3892EFE-1#TRPBF

Mouser Part No
584-C3892EFE-1TRPBF

Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$13.19

Min.: 2,000
Mult.: 2,000

: 2,000

Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr

LTC3892EUH-2#TRPBF
Analog Devices
2,500: $13.50
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC3892EUH-2#TRPBF

Mouser Part No
584-C3892EUH-2TRPBF

Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$13.50

Min.: 2,500
Mult.: 2,500

: 2,500

Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr

LTC3892HFE-1#TRPBF
Analog Devices
2,000: $16.97
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC3892HFE-1#TRPBF

Mouser Part No
584-C3892HFE-1TRPBF

Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$16.97

Min.: 2,000
Mult.: 2,000

: 2,000

Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr

LTC3892HUH-2#TRPBF
Analog Devices
2,500: $17.33
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC3892HUH-2#TRPBF

Mouser Part No
584-C3892HUH-2TRPBF

Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$17.33

Min.: 2,500
Mult.: 2,500

: 2,500

Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr

LTC3892IFE-1#TRPBF
Analog Devices
2,000: $16.14
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC3892IFE-1#TRPBF

Mouser Part No
584-C3892IFE-1TRPBF

Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$16.14

Min.: 2,000
Mult.: 2,000

: 2,000

Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr

LTC3892IUH-2#TRPBF
Analog Devices
2,500: $16.17
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC3892IUH-2#TRPBF

Mouser Part No
584-C3892IUH-2TRPBF

Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$16.17

Min.: 2,500
Mult.: 2,500

: 2,500

Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr

LTC3892MPFE-1#TRPBF
Analog Devices
2,000: $43.22
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC3892MPFE-1#TRPBF

Mouser Part No
584-C3892MPFE-1TRPBF

Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$43.22

Min.: 2,000
Mult.: 2,000

: 2,000

Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr

LTC3892MPUH-2#TRPBF
Analog Devices
2,500: $44.08
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC3892MPUH-2#TRPBF

Mouser Part No
584-C3892MPUH-2TRPBF

Switching Voltage Regulators 60V L IQ, 2x, 2-PhSync Buck DC/DC Cntr

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$44.08

Min.: 2,500
Mult.: 2,500

: 2,500

Switching Voltage Regulators 60V L IQ, 3x Out, Buck/Buck/Boost Sync C

LTC3899MPUHF#TRPBF
Analog Devices
2,500: $42.68
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC3899MPUHF#TRPBF

Mouser Part No
584-C3899MPUHFTRPBF

Switching Voltage Regulators 60V L IQ, 3x Out, Buck/Buck/Boost Sync C

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$42.68

Min.: 2,500
Mult.: 2,500

: 2,500