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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

LTC3890EGN-3#PBF
Analog Devices
1: $21.18
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC3890EGN-3#PBF

Mouser Part No
584-LTC3890EGN-3#PBF

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

Datasheet

Non-Stocked Lead-Time 14 Weeks

$21.18

$16.58

$15.44

$14.17

View

Min.: 1
Mult.: 1

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

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

Mfr. Part No.
LTC3890HUH#TRPBF

Mouser Part No
584-LTC3890HUH#TRPBF

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

LTC3890IUH-2#PBF
Analog Devices
73: $16.51
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC3890IUH-2#PBF

Mouser Part No
584-LTC3890IUH-2#PBF

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

Datasheet

Non-Stocked Lead-Time 14 Weeks

$16.51

$15.75

$15.46

Min.: 73
Mult.: 73

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

LTC3890MPGN-3#PBF
Analog Devices
49: $49.49
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC3890MPGN-3#PBF

Mouser Part No
584-LTC3890MPGN-3PBF

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

Datasheet

Non-Stocked Lead-Time 14 Weeks

$49.49

$48.12

$44.73

Min.: 49
Mult.: 49

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

LTC3890MPUH-2#PBF
Analog Devices
73: $49.01
Non-Stocked Lead-Time 15 Weeks

Mfr. Part No.
LTC3890MPUH-2#PBF

Mouser Part No
584-LTC3890MPUH-2PBF

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

Datasheet

Non-Stocked Lead-Time 15 Weeks

$49.01

$45.56

Min.: 73
Mult.: 73

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

LTC3890MPUH#TRPBF
Analog Devices
2,500: $45.56
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC3890MPUH#TRPBF

Mouser Part No
584-LTC3890MPUHTRPBF

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

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$45.56

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

: 2,500

Switching Voltage Regulators L IQ, 60V Sync Buck Cntr

LTC3891HFE#TRPBF
Analog Devices
2,500: $12.23
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC3891HFE#TRPBF

Mouser Part No
584-LTC3891HFE#TRPBF

Switching Voltage Regulators L IQ, 60V Sync Buck Cntr

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$12.23

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

: 2,500

Switching Voltage Regulators L IQ, 60V Sync Buck Cntr

LTC3891HUDC#TRPBF
Analog Devices
2,500: $11.67
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC3891HUDC#TRPBF

Mouser Part No
584-LTC3891HUDCTRPBF

Switching Voltage Regulators L IQ, 60V Sync Buck Cntr

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$11.67

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

: 2,500

Switching Voltage Regulators L IQ, 60V Sync Buck Cntr

LTC3891IFE#TRPBF
Analog Devices
2,500: $11.45
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC3891IFE#TRPBF

Mouser Part No
584-LTC3891IFE#TRPBF

Switching Voltage Regulators L IQ, 60V Sync Buck Cntr

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$11.45

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

: 2,500

Switching Voltage Regulators L IQ, 60V Sync Buck Cntr

LTC3891MPFE#TRPBF
Analog Devices
2,500: $31.96
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC3891MPFE#TRPBF

Mouser Part No
584-LTC3891MPFETRPBF

Switching Voltage Regulators L IQ, 60V Sync Buck Cntr

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$31.96

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

: 2,500

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

LTC3892EUH#TRPBF
Analog Devices
2,500: $13.50
Non-Stocked Lead-Time 15 Weeks

Mfr. Part No.
LTC3892EUH#TRPBF

Mouser Part No
584-LTC3892EUH#TRPBF

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

Datasheet

Non-Stocked Lead-Time 15 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

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

Mfr. Part No.
LTC3892HUH#TRPBF

Mouser Part No
584-LTC3892HUH#TRPBF

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

LTC3892MPFE-1#PBF
Analog Devices
1: $61.99
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC3892MPFE-1#PBF

Mouser Part No
584-LTC3892MPFE-1PBF

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

Datasheet

Non-Stocked Lead-Time 14 Weeks

$61.99

$50.66

$47.82

$46.50

$43.22

Min.: 1
Mult.: 1

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

LTC3892MPUH#PBF
Analog Devices
1: $63.21
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC3892MPUH#PBF

Mouser Part No
584-LTC3892MPUH#PBF

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

Datasheet

Non-Stocked Lead-Time 14 Weeks

$63.21

$51.65

$48.77

$47.41

$44.08

Min.: 1
Mult.: 1

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

LTC3892MPUH-2#PBF
Analog Devices
73: $47.41
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC3892MPUH-2#PBF

Mouser Part No
584-LTC3892MPUH-2PBF

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

Datasheet

Non-Stocked Lead-Time 14 Weeks

$47.41

$44.08

Min.: 73
Mult.: 73

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

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

Mfr. Part No.
LTC3892MPUH#TRPBF

Mouser Part No
584-LTC3892MPUHTRPBF

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 Controllers 150V Low IQ Step-Dwn DC/DC Ctlr

LTC3894HFE#TRPBF
Analog Devices
2,500: $8.73
Non-Stocked Lead-Time 15 Weeks

Mfr. Part No.
LTC3894HFE#TRPBF

Mouser Part No
584-LTC3894HFE#TRPBF

Switching Controllers 150V Low IQ Step-Dwn DC/DC Ctlr

Datasheet

Non-Stocked Lead-Time 15 Weeks

Reel

$8.73

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

: 2,500

Switching Controllers 150V Low IQ Step-Dwn DC/DC Ctlr

LTC3894IFE#TRPBF
Analog Devices
1: $14.16
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC3894IFE#TRPBF

Mouser Part No
584-LTC3894IFE#TRPBF

Switching Controllers 150V Low IQ Step-Dwn DC/DC Ctlr

Datasheet

Non-Stocked Lead-Time 14 Weeks

Cut Tape

$14.16

$11.02

$10.23

$9.36

View

Reel

$8.02

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

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

LTC3896EFE#TRPBF
Analog Devices
2,000: $12.87
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC3896EFE#TRPBF

Mouser Part No
584-LTC3896EFE#TRPBF

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

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$12.87

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

: 2,000

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

LTC3896IFE#TRPBF
Analog Devices
2,000: $15.49
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC3896IFE#TRPBF

Mouser Part No
584-LTC3896IFE#TRPBF

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

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$15.49

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

: 2,000

Switching Voltage Regulators PolyPhase Synchronous Boost Controller with Input/Output Protection

LTC3897EFE#PBF
Analog Devices
1: $25.09
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC3897EFE#PBF

Mouser Part No
584-LTC3897EFE#PBF

Switching Voltage Regulators PolyPhase Synchronous Boost Controller with Input/Output Protection

Datasheet

Non-Stocked Lead-Time 14 Weeks

$25.09

$19.88

$18.59

$17.15

View

Min.: 1
Mult.: 1

Switching Voltage Regulators PolyPhase Synchronous Boost Controller with Input/Output Protection

LTC3897EFE#TRPBF
Analog Devices
2,000: $16.06
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC3897EFE#TRPBF

Mouser Part No
584-LTC3897EFE#TRPBF

Switching Voltage Regulators PolyPhase Synchronous Boost Controller with Input/Output Protection

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$16.06

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

: 2,000

Switching Voltage Regulators PolyPhase Synchronous Boost Controller with Input/Output Protection

LTC3897EUHF#TRPBF
Analog Devices
2,500: $16.06
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC3897EUHF#TRPBF

Mouser Part No
584-LTC3897EUHFTRPBF

Switching Voltage Regulators PolyPhase Synchronous Boost Controller with Input/Output Protection

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$16.06

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

: 2,500

Switching Voltage Regulators PolyPhase Synchronous Boost Controller with Input/Output Protection

LTC3897HFE#PBF
Analog Devices
1: $29.81
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC3897HFE#PBF

Mouser Part No
584-LTC3897HFE#PBF

Switching Voltage Regulators PolyPhase Synchronous Boost Controller with Input/Output Protection

Datasheet

Non-Stocked Lead-Time 14 Weeks

$29.81

$23.62

$22.09

$20.39

View

Min.: 1
Mult.: 1

Switching Voltage Regulators PolyPhase Synchronous Boost Controller with Input/Output Protection

LTC3897HFE#TRPBF
Analog Devices
2,000: $19.09
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC3897HFE#TRPBF

Mouser Part No
584-LTC3897HFE#TRPBF

Switching Voltage Regulators PolyPhase Synchronous Boost Controller with Input/Output Protection

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$19.09

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

: 2,000