Voltage Regulators & Voltage Controllers

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LTC388x Step-Down Controllers

Analog Devices Inc. LTC388x Step-Down Controllers are dual PolyPhase DC-DC synchronous step-down switching regulator controllers. Analog Devices LTC388x devices have an I²C-based PMBus-compliant serial interface. These controllers employ a constant-frequency, current-mode architecture with high-voltage input and output capability. The devices also have a programmable loop compensation and are supported by the LTpowerPlay™ software development tool with a graphical user interface (GUI).

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Part #

Switching Controllers 60V 2x Out Buck Cntr w/ Dig Pwr S M

LTC3886EUKG#PBF
Analog Devices
1: $19.06
6,879In Stock

Mfr. Part No.
LTC3886EUKG#PBF

Mouser Part No
584-LTC3886EUKG#PBF

Analog Devices

Switching Controllers 60V 2x Out Buck Cntr w/ Dig Pwr S M

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Datasheet

6,879In Stock

$19.06

$15.18

$12.90

$12.28

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-52

500 mV to 13.8 V

Switching Voltage Regulators 2x Out PolyPhBuck DC/DC Cntr w/ Dig Pwr

LTC3880EUJ#PBF
Analog Devices
1: $16.35
180In Stock

Mfr. Part No.
LTC3880EUJ#PBF

Mouser Part No
584-LTC3880EUJ#PBF

Analog Devices

Switching Voltage Regulators 2x Out PolyPhBuck DC/DC Cntr w/ Dig Pwr

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Datasheet

180In Stock

$16.35

$12.96

$10.91

$10.59

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-40

500 mV to 5.4 V

Switching Controllers 2x Out PolyPhBuck Cntr w/ Sub-Milliohm D

LTC3884IRHE-1#PBF
Analog Devices
1: $18.94
121In Stock

Mfr. Part No.
LTC3884IRHE-1#PBF

Mouser Part No
584-LTC3884IRHE1PBF

Analog Devices

Switching Controllers 2x Out PolyPhBuck Cntr w/ Sub-Milliohm D

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Datasheet

121In Stock

$18.94

$15.08

$12.74

$12.22

View

Min.: 1
Mult.: 1

SMD/SMT

GQFN-48

500 mV to 5.5 V

Switching Controllers 60V Dual Step-Down Controller with DPSM

LTC3889EUKG#PBF
Analog Devices
1: $21.41
630In Stock

Mfr. Part No.
LTC3889EUKG#PBF

Mouser Part No
584-LTC3889EUKG#PBF

Analog Devices

Switching Controllers 60V Dual Step-Down Controller with DPSM

Learn More

Datasheet

630In Stock

$21.41

$17.38

$15.11

$14.45

$14.40

Min.: 1
Mult.: 1

SMD/SMT

QFN-52

1 V to 40 V

Switching Voltage Regulators 2x Out PolyPhBuck DC/DC V Mode Cntr w/ D

LTC3882EUJ#PBF
Analog Devices
1: $16.35
548In Stock
266Expected 01/06/2026

Mfr. Part No.
LTC3882EUJ#PBF

Mouser Part No
584-LTC3882EUJ#PBF

Analog Devices

Switching Voltage Regulators 2x Out PolyPhBuck DC/DC V Mode Cntr w/ D

Learn More

Datasheet

548In Stock

266Expected 01/06/2026

$16.35

$12.96

$11.47

$11.32

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-40

500 mV to 5.25 V

Switching Controllers 2x Out PolyPhBuck DC/DC Cntr w/ Dig Pwr

LTC3887EUJ-2#PBF
Analog Devices
1: $16.03
122In Stock

Mfr. Part No.
LTC3887EUJ-2#PBF

Mouser Part No
584-LTC3887EUJ-2#PBF

Analog Devices

Switching Controllers 2x Out PolyPhBuck DC/DC Cntr w/ Dig Pwr

Learn More

Datasheet

122In Stock

$16.03

$12.70

$10.30

$10.03

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-40

500 mV to 5.5 V

Switching Controllers 1x PhBuck DC/DC Cntr w/ Dig Pwr S M

LTC3883IUH#WPBF
Analog Devices
1: $16.70
93In Stock

Mfr. Part No.
LTC3883IUH#WPBF

Mouser Part No
584-LTC3883IUH#WPBF

Analog Devices

Switching Controllers 1x PhBuck DC/DC Cntr w/ Dig Pwr S M

Learn More

Datasheet

93In Stock

$16.70

$13.24

$11.23

$10.62

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-32

500 mV to 5.4 V

Switching Controllers 60V 2x Out Buck Cntr w/ Dig Pwr S M

LTC3886EUKG-1#PBF
Analog Devices
1: $19.06
45In Stock

Mfr. Part No.
LTC3886EUKG-1#PBF

Mouser Part No
584-3886EUKG-1#PBF

Analog Devices

Switching Controllers 60V 2x Out Buck Cntr w/ Dig Pwr S M

Learn More

Datasheet

45In Stock

$19.06

$15.18

$13.70

$12.76

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-52

500 mV to 13.8 V

Switching Voltage Regulators 2x Out PolyPhBuck DC/DC Cntr w/ Dig Pwr

LTC3880EUJ-1#PBF
Analog Devices
1: $16.35
47In Stock
61Expected 01/06/2026

Mfr. Part No.
LTC3880EUJ-1#PBF

Mouser Part No
584-LTC3880EUJ-1#PBF

Analog Devices

Switching Voltage Regulators 2x Out PolyPhBuck DC/DC Cntr w/ Dig Pwr

Learn More

Datasheet

47In Stock

61Expected 01/06/2026

$16.35

$12.96

$11.47

$11.06

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-40

500 mV to 5.4 V

Switching Voltage Regulators 2x Out PolyPhBuck DC/DC Cntr w/ Dig Pwr

LTC3880IUJ#PBF
Analog Devices
1: $18.68
70In Stock

Mfr. Part No.
LTC3880IUJ#PBF

Mouser Part No
584-LTC3880IUJ#PBF

Analog Devices

Switching Voltage Regulators 2x Out PolyPhBuck DC/DC Cntr w/ Dig Pwr

Learn More

Datasheet

70In Stock

$18.68

$14.86

$13.19

$12.53

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-40

500 mV to 5.4 V

Switching Voltage Regulators 2x Out PolyPhBuck DC/DC Cntr w/ Dig Pwr

LTC3880IUJ-1#PBF
Analog Devices
1: $18.68
68In Stock

Mfr. Part No.
LTC3880IUJ-1#PBF

Mouser Part No
584-LTC3880IUJ-1#PBF

Analog Devices

Switching Voltage Regulators 2x Out PolyPhBuck DC/DC Cntr w/ Dig Pwr

Learn More

Datasheet

68In Stock

$18.68

$14.86

$13.19

$12.73

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-40

500 mV to 5.4 V

Switching Controllers 60V 2x Out Buck Cntr w/ Dig Pwr S M

LTC3886IUKG#PBF
Analog Devices
1: $20.68
85In Stock

Mfr. Part No.
LTC3886IUKG#PBF

Mouser Part No
584-LTC3886IUKG#PBF

Analog Devices

Switching Controllers 60V 2x Out Buck Cntr w/ Dig Pwr S M

Learn More

Datasheet

85In Stock

$20.68

$16.51

$14.93

$13.99

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-52

500 mV to 13.8 V

Switching Controllers 2x Out PolyPhBuck DC/DC Cntr w/ Dig Pwr

LTC3887IUJ#PBF
Analog Devices
1: $18.92
42In Stock

Mfr. Part No.
LTC3887IUJ#PBF

Mouser Part No
584-LTC3887IUJ#PBF

Analog Devices

Switching Controllers 2x Out PolyPhBuck DC/DC Cntr w/ Dig Pwr

Learn More

Datasheet

42In Stock

$18.92

$15.05

$12.41

$12.40

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-40

500 mV to 5.5 V

Switching Controllers 60V Dual Step-Down Controller with DPSM

LTC3889IUKG#PBF
Analog Devices
1: $26.43
47In Stock

Mfr. Part No.
LTC3889IUKG#PBF

Mouser Part No
584-LTC3889IUKG#PBF

Analog Devices

Switching Controllers 60V Dual Step-Down Controller with DPSM

Learn More

Datasheet

47In Stock

$26.43

$21.26

$19.30

$18.30

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-52

1 V to 40 V

Switching Voltage Regulators 2x Out PolyPhBuck DC/DC V Mode Cntr w/ D

LTC3882IUJ#PBF
Analog Devices
1: $19.05
7In Stock
305On Order

Mfr. Part No.
LTC3882IUJ#PBF

Mouser Part No
584-LTC3882IUJ#PBF

Analog Devices

Switching Voltage Regulators 2x Out PolyPhBuck DC/DC V Mode Cntr w/ D

Learn More

Datasheet

7In Stock

305On Order

$19.05

$14.86

$13.19

$12.66

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-40

500 mV to 5.25 V

Switching Controllers 2x Out PolyPhBuck Cntr w/ Sub-Milliohm D

LTC3884EUK#PBF
Analog Devices
1: $19.06
25In Stock

Mfr. Part No.
LTC3884EUK#PBF

Mouser Part No
584-LTC3884EUK#PBF

Analog Devices

Switching Controllers 2x Out PolyPhBuck Cntr w/ Sub-Milliohm D

Learn More

Datasheet

25In Stock

$19.06

$15.18

$13.59

$12.99

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-48

500 mV to 5.5 V

Switching Controllers 2x Out PolyPhBuck Cntr w/ Sub-Milliohm D

LTC3884IUK#PBF
Analog Devices
1: $19.32
10In Stock
156Expected 22/06/2026

Mfr. Part No.
LTC3884IUK#PBF

Mouser Part No
584-LTC3884IUK#PBF

Analog Devices

Switching Controllers 2x Out PolyPhBuck Cntr w/ Sub-Milliohm D

Learn More

Datasheet

10In Stock

156Expected 22/06/2026

$19.32

$15.19

$13.50

$12.89

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-48

500 mV to 5.5 V

Switching Controllers 2x Out PolyPhBuck DC/DC Cntr w/ Dig Pwr

LTC3887EUJ#PBF
Analog Devices
1: $16.68
20In Stock

Mfr. Part No.
LTC3887EUJ#PBF

Mouser Part No
584-LTC3887EUJ#PBF

Analog Devices

Switching Controllers 2x Out PolyPhBuck DC/DC Cntr w/ Dig Pwr

Learn More

Datasheet

20In Stock

$16.68

$13.22

$11.71

$11.29

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-40

500 mV to 5.5 V

Switching Controllers 2x Out PolyPhBuck DC/DC Cntr w/ Dig Pwr

LTC3887EUJ-1#PBF
Analog Devices
1: $16.68
122In Stock

Mfr. Part No.
LTC3887EUJ-1#PBF

Mouser Part No
584-LTC3887EUJ-1#PBF

Analog Devices

Switching Controllers 2x Out PolyPhBuck DC/DC Cntr w/ Dig Pwr

Learn More

Datasheet

122In Stock

$16.68

$13.22

$11.71

$11.15

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-40

500 mV to 5.5 V

Switching Controllers 1x PhBuck DC/DC Cntr w/ Dig Pwr S M

LTC3883EUH#WPBF
Analog Devices
1: $15.41
35In Stock

Mfr. Part No.
LTC3883EUH#WPBF

Mouser Part No
584-LTC3883EUH#WPBF

Analog Devices

Switching Controllers 1x PhBuck DC/DC Cntr w/ Dig Pwr S M

Learn More

Datasheet

35In Stock

$15.41

$12.19

$10.67

$10.30

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-32

500 mV to 5.4 V

Switching Controllers 1x PhBuck DC/DC Cntr w/ Dig Pwr S M

LTC3883IUH-1#WPBF
Analog Devices
1: $16.70
3In Stock

Mfr. Part No.
LTC3883IUH-1#WPBF

Mouser Part No
584-3883IUH-1#WPBF

Analog Devices

Switching Controllers 1x PhBuck DC/DC Cntr w/ Dig Pwr S M

Learn More

Datasheet

3In Stock

$16.70

$13.23

$11.61

$11.14

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-32

500 mV to 5.4 V

Switching Voltage Regulators 2x Out PolyPhBuck DC/DC V Mode Cntr w/ D

LTC3882IUJ-1#PBF
Analog Devices
1: $18.68
61In Stock

Mfr. Part No.
LTC3882IUJ-1#PBF

Mouser Part No
584-LTC3882IUJ-1#PBF

Analog Devices

Switching Voltage Regulators 2x Out PolyPhBuck DC/DC V Mode Cntr w/ D

Learn More

Datasheet

61In Stock

$18.68

$14.86

$13.19

$12.51

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-40

500 mV to 5.25 V

Switching Controllers Dual Output 8-Phase Step-Down DC/DC Cont

LTC3888IUHG-1#PBF
Analog Devices
1: $18.68
1,854On Order

Mfr. Part No.
LTC3888IUHG-1#PBF

Mouser Part No
584-3888IUHG-1#PBF

Analog Devices

Switching Controllers Dual Output 8-Phase Step-Down DC/DC Cont

Learn More

Datasheet

1,854On Order

$18.68

$14.86

$13.32

$12.61

View

Min.: 1
Mult.: 1

SMD/SMT

QFN-52

300 mV to 3.45 V

Switching Controllers 1x PhBuck DC/DC Cntr w/ Dig Pwr S M

LTC3883EUH#WTRPBF
Analog Devices
2,500: $9.25
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LTC3883EUH#WTRPBF

Mouser Part No
584-3883EUH#WTRPBF

Analog Devices

Switching Controllers 1x PhBuck DC/DC Cntr w/ Dig Pwr S M

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$9.25

Quote

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

: 2,500

SMD/SMT

QFN-32

500 mV to 5.4 V

Switching Controllers 1x PhBuck DC/DC Cntr w/ Dig Pwr S M

LTC3883IUH#WTRPBF
Analog Devices
2,500: $10.23
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LTC3883IUH#WTRPBF

Mouser Part No
584-3883IUH#WTRPBF

Analog Devices

Switching Controllers 1x PhBuck DC/DC Cntr w/ Dig Pwr S M

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$10.23

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

: 2,500

SMD/SMT

QFN-32

500 mV to 5.4 V

LTC388x Step-Down Controllers

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