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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: $13.89
Non-Stocked Lead-Time 14 Weeks

Mfr. Part #
LTC3890EGN-3#PBF

Mouser Part #
584-LTC3890EGN-3#PBF

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

Datasheet

Non-Stocked Lead-Time 14 Weeks

$13.89

$10.95

$9.78

$9.11

View

Min.: 1
Mult.: 1

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

LTC3890HUH#TRPBF
Analog Devices
2,500: $10.44
Non-Stocked Lead-Time 14 Weeks

Mfr. Part #
LTC3890HUH#TRPBF

Mouser Part #
584-LTC3890HUH#TRPBF

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

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$10.44

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: $11.21
Non-Stocked Lead-Time 14 Weeks

Mfr. Part #
LTC3890IUH-2#PBF

Mouser Part #
584-LTC3890IUH-2#PBF

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

Datasheet

Non-Stocked Lead-Time 14 Weeks

$11.21

$10.85

$10.54

$10.43

Quote

Min.: 73
Mult.: 73

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

LTC3890MPGN-3#PBF
Analog Devices
49: $31.97
Non-Stocked Lead-Time 14 Weeks

Mfr. Part #
LTC3890MPGN-3#PBF

Mouser Part #
584-LTC3890MPGN-3PBF

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

Datasheet

Non-Stocked Lead-Time 14 Weeks

$31.97

$30.48

$29.33

Quote

Min.: 49
Mult.: 49

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

LTC3890MPUH-2#PBF
Analog Devices
73: $31.58
Non-Stocked Lead-Time 15 Weeks

Mfr. Part #
LTC3890MPUH-2#PBF

Mouser Part #
584-LTC3890MPUH-2PBF

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

Datasheet

Non-Stocked Lead-Time 15 Weeks

$31.58

$30.49

Quote

Min.: 73
Mult.: 73

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

LTC3890MPUH#TRPBF
Analog Devices
2,500: $28.76
Non-Stocked Lead-Time 14 Weeks

Mfr. Part #
LTC3890MPUH#TRPBF

Mouser Part #
584-LTC3890MPUHTRPBF

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

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$28.76

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

: 2,500

Switching Voltage Regulators L IQ, 60V Sync Buck Cntr

LTC3891HFE#TRPBF
Analog Devices
2,500: $8.18
Non-Stocked Lead-Time 14 Weeks

Mfr. Part #
LTC3891HFE#TRPBF

Mouser Part #
584-LTC3891HFE#TRPBF

Switching Voltage Regulators L IQ, 60V Sync Buck Cntr

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$8.18

Quote

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

: 2,500

Switching Voltage Regulators L IQ, 60V Sync Buck Cntr

LTC3891HUDC#TRPBF
Analog Devices
2,500: $7.81
Non-Stocked Lead-Time 14 Weeks

Mfr. Part #
LTC3891HUDC#TRPBF

Mouser Part #
584-LTC3891HUDCTRPBF

Switching Voltage Regulators L IQ, 60V Sync Buck Cntr

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$7.81

Quote

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

: 2,500

Switching Voltage Regulators L IQ, 60V Sync Buck Cntr

LTC3891IFE#TRPBF
Analog Devices
2,500: $7.66
Non-Stocked Lead-Time 14 Weeks

Mfr. Part #
LTC3891IFE#TRPBF

Mouser Part #
584-LTC3891IFE#TRPBF

Switching Voltage Regulators L IQ, 60V Sync Buck Cntr

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$7.66

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

: 2,500

Switching Voltage Regulators L IQ, 60V Sync Buck Cntr

LTC3891MPFE#TRPBF
Analog Devices
2,500: $20.11
Non-Stocked Lead-Time 14 Weeks

Mfr. Part #
LTC3891MPFE#TRPBF

Mouser Part #
584-LTC3891MPFETRPBF

Switching Voltage Regulators L IQ, 60V Sync Buck Cntr

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$20.11

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: $9.12
Non-Stocked Lead-Time 15 Weeks

Mfr. Part #
LTC3892EUH#TRPBF

Mouser Part #
584-LTC3892EUH#TRPBF

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

Datasheet

Non-Stocked Lead-Time 15 Weeks

Reel

$9.12

Quote

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: $11.06
Non-Stocked Lead-Time 14 Weeks

Mfr. Part #
LTC3892HUH#TRPBF

Mouser Part #
584-LTC3892HUH#TRPBF

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

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$11.06

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: $41.52
Non-Stocked Lead-Time 14 Weeks

Mfr. Part #
LTC3892MPFE-1#PBF

Mouser Part #
584-LTC3892MPFE-1PBF

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

Datasheet

Non-Stocked Lead-Time 14 Weeks

$41.52

$33.91

$30.61

$29.82

View

Min.: 1
Mult.: 1

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

LTC3892MPUH#PBF
Analog Devices
1: $42.24
Non-Stocked Lead-Time 14 Weeks

Mfr. Part #
LTC3892MPUH#PBF

Mouser Part #
584-LTC3892MPUH#PBF

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

Datasheet

Non-Stocked Lead-Time 14 Weeks

$42.24

$34.53

$30.93

$30.56

View

Min.: 1
Mult.: 1

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

LTC3892MPUH-2#PBF
Analog Devices
73: $30.56
Non-Stocked Lead-Time 14 Weeks

Mfr. Part #
LTC3892MPUH-2#PBF

Mouser Part #
584-LTC3892MPUH-2PBF

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

Datasheet

Non-Stocked Lead-Time 14 Weeks

$30.56

$29.51

View

Min.: 73
Mult.: 73

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

LTC3892MPUH#TRPBF
Analog Devices
2,500: $27.83
Non-Stocked Lead-Time 14 Weeks

Mfr. Part #
LTC3892MPUH#TRPBF

Mouser Part #
584-LTC3892MPUHTRPBF

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

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$27.83

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

: 2,500

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

LTC3894HFE#TRPBF
Analog Devices
2,500: $5.87
Non-Stocked Lead-Time 15 Weeks

Mfr. Part #
LTC3894HFE#TRPBF

Mouser Part #
584-LTC3894HFE#TRPBF

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

Datasheet

Non-Stocked Lead-Time 15 Weeks

Reel

$5.87

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

: 2,500

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

LTC3894IFE#TRPBF
Analog Devices
1: $9.45
Non-Stocked Lead-Time 14 Weeks

Mfr. Part #
LTC3894IFE#TRPBF

Mouser Part #
584-LTC3894IFE#TRPBF

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

Datasheet

Non-Stocked Lead-Time 14 Weeks

Cut Tape

$9.45

$7.35

$6.83

$6.25

View

Reel

$5.35

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: $8.71
Non-Stocked Lead-Time 14 Weeks

Mfr. Part #
LTC3896EFE#TRPBF

Mouser Part #
584-LTC3896EFE#TRPBF

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

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$8.71

Quote

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: $9.70
Non-Stocked Lead-Time 14 Weeks

Mfr. Part #
LTC3896IFE#TRPBF

Mouser Part #
584-LTC3896IFE#TRPBF

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

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$9.70

Quote

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

: 2,000

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

LTC3897EFE#PBF
Analog Devices
1: $16.76
Non-Stocked Lead-Time 14 Weeks

Mfr. Part #
LTC3897EFE#PBF

Mouser Part #
584-LTC3897EFE#PBF

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

Datasheet

Non-Stocked Lead-Time 14 Weeks

$16.76

$13.29

$11.89

$11.46

View

Min.: 1
Mult.: 1

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

LTC3897EFE#TRPBF
Analog Devices
2,000: $10.32
Non-Stocked Lead-Time 14 Weeks

Mfr. Part #
LTC3897EFE#TRPBF

Mouser Part #
584-LTC3897EFE#TRPBF

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

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$10.32

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: $10.27
Non-Stocked Lead-Time 14 Weeks

Mfr. Part #
LTC3897EUHF#TRPBF

Mouser Part #
584-LTC3897EUHFTRPBF

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

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$10.27

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

: 2,500

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

LTC3897HFE#PBF
Analog Devices
1: $19.62
Non-Stocked Lead-Time 14 Weeks

Mfr. Part #
LTC3897HFE#PBF

Mouser Part #
584-LTC3897HFE#PBF

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

Datasheet

Non-Stocked Lead-Time 14 Weeks

$19.62

$15.64

$13.97

$13.24

View

Min.: 1
Mult.: 1

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

LTC3897HFE#TRPBF
Analog Devices
2,000: $12.23
Non-Stocked Lead-Time 14 Weeks

Mfr. Part #
LTC3897HFE#TRPBF

Mouser Part #
584-LTC3897HFE#TRPBF

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

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$12.23

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

: 2,000