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: Rp374.258
6.897In 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

6.897In Stock

Rp374.258

Rp309.864

Rp297.022

Rp261.797

Min.: 1
Mult.: 1

SMD/SMT

QFN-52

500 mV to 13.8 V

Switching Controllers 60V Dual Step-Down Controller with DPSM

LTC3889EUKG#PBF
Analog Devices
1: Rp435.351
660In Stock

Mfr. Part No.
LTC3889EUKG#PBF

Mouser Part No
584-LTC3889EUKG#PBF

Analog Devices

Switching Controllers 60V Dual Step-Down Controller with DPSM

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Datasheet

660In Stock

Rp435.351

Rp340.502

Rp325.275

Rp290.784

Min.: 1
Mult.: 1

SMD/SMT

QFN-52

1 V to 40 V

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

LTC3884EUK#PBF
Analog Devices
1: Rp374.258
129In Stock

Mfr. Part No.
LTC3884EUK#PBF

Mouser Part No
584-LTC3884EUK#PBF

Analog Devices

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

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Datasheet

129In Stock

Rp374.258

Rp309.864

Rp297.022

Rp261.797

Min.: 1
Mult.: 1

SMD/SMT

QFN-48

500 mV to 5.5 V

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

LTC3886EUKG-1#PBF
Analog Devices
1: Rp374.258
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

Rp374.258

Rp309.864

Rp297.022

Rp261.797

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

LTC3887EUJ-2#PBF
Analog Devices
1: Rp327.843
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

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Datasheet

122In Stock

Rp327.843

Rp264.916

Rp253.909

Rp223.638

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: Rp331.696
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

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Datasheet

93In Stock

Rp331.696

Rp268.035

Rp257.027

Rp226.390

Min.: 1
Mult.: 1

SMD/SMT

QFN-32

500 mV to 5.4 V

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

LTC3884IRHE#WPBF
Analog Devices
1: Rp381.597
97In Stock

Mfr. Part No.
LTC3884IRHE#WPBF

Mouser Part No
584-LTC3884IRHE#WPBF

Analog Devices

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

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Datasheet

97In Stock

Rp381.597

Rp315.918

Rp302.892

Rp266.934

Min.: 1
Mult.: 1

SMD/SMT

GQFN-48

500 mV to 5.5 V

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

LTC3888IUHG-1#PBF
Analog Devices
1: Rp366.003
745In Stock
630Expected 10/06/2026

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

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Datasheet

745In Stock

630Expected 10/06/2026

Rp366.003

Rp303.076

Rp290.601

Rp255.927

Min.: 1
Mult.: 1

SMD/SMT

QFN-52

300 mV to 3.45 V

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

LTC3880EUJ#PBF
Analog Devices
1: Rp324.174
184In 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

Learn More

Datasheet

184In Stock

Rp324.174

Rp261.981

Rp251.157

Rp221.253

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: Rp371.690
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

Learn More

Datasheet

121In Stock

Rp371.690

Rp307.846

Rp295.004

Rp259.963

Min.: 1
Mult.: 1

SMD/SMT

GQFN-48

500 mV to 5.5 V

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

LTC3887IUJ#PBF
Analog Devices
1: Rp371.323
122In 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

122In Stock

Rp371.323

Rp307.479

Rp294.637

Rp259.596

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: Rp522.127
90In 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

90In Stock

Rp522.127

Rp408.565

Rp390.219

Rp348.941

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: Rp324.174
603In Stock
366Expected 19/03/2026

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

603In Stock

366Expected 19/03/2026

Rp324.174

Rp261.981

Rp251.157

Rp221.253

Min.: 1
Mult.: 1

SMD/SMT

QFN-40

500 mV to 5.25 V

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

LTC3880EUJ-1#PBF
Analog Devices
1: Rp324.174
49In Stock

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

49In Stock

Rp324.174

Rp261.981

Rp251.157

Rp221.253

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: Rp366.003
72In 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

72In Stock

Rp366.003

Rp303.076

Rp290.601

Rp255.927

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: Rp366.003
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

Rp366.003

Rp303.076

Rp290.601

Rp255.927

Min.: 1
Mult.: 1

SMD/SMT

QFN-40

500 mV to 5.4 V

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

LTC3882IUJ#PBF
Analog Devices
1: Rp366.003
59In Stock
122Expected 19/05/2026

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

59In Stock

122Expected 19/05/2026

Rp366.003

Rp303.076

Rp290.601

Rp255.927

Min.: 1
Mult.: 1

SMD/SMT

QFN-40

500 mV to 5.25 V

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

LTC3882IUJ-1#PBF
Analog Devices
1: Rp366.003
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

Rp366.003

Rp303.076

Rp290.601

Rp255.927

Min.: 1
Mult.: 1

SMD/SMT

QFN-40

500 mV to 5.25 V

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

LTC3884IUK#PBF
Analog Devices
1: Rp371.690
80In Stock

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

80In Stock

Rp371.690

Rp307.846

Rp295.004

Rp259.963

Min.: 1
Mult.: 1

SMD/SMT

QFN-48

500 mV to 5.5 V

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

LTC3886IUKG#PBF
Analog Devices
1: Rp400.493
45In 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

45In Stock

Rp400.493

Rp338.851

Rp324.908

Rp286.198

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

LTC3887EUJ#PBF
Analog Devices
1: Rp331.329
60In 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

60In Stock

Rp331.329

Rp267.668

Rp256.661

Rp226.023

Min.: 1
Mult.: 1

SMD/SMT

QFN-40

500 mV to 5.5 V

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

LTC3882EUJ-1#PBF
Analog Devices
1: Rp324.174
17In Stock

Mfr. Part No.
LTC3882EUJ-1#PBF

Mouser Part No
584-LTC3882EUJ-1#PBF

Analog Devices

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

Learn More

Datasheet

17In Stock

Rp324.174

Rp261.981

Rp251.157

Rp221.253

Min.: 1
Mult.: 1

SMD/SMT

QFN-40

500 mV to 5.25 V

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

LTC3883IUH-1#WPBF
Analog Devices
1: Rp331.696
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

Rp331.696

Rp268.035

Rp257.027

Rp226.390

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

LTC3883EUH#WPBF
Analog Devices
1: Rp312.799
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

Rp312.799

Rp245.469

Rp235.379

Rp207.310

Rp197.220

Min.: 1
Mult.: 1

SMD/SMT

QFN-32

500 mV to 5.4 V

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

LTC3884ERHE-1#PBF
Analog Devices
1: Rp374.258
61Expected 01/05/2026

Mfr. Part No.
LTC3884ERHE-1#PBF

Mouser Part No
584-LTC3884ERHE1PBF

Analog Devices

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

Learn More

Datasheet

61Expected 01/05/2026

Rp374.258

Rp309.864

Rp297.022

Rp261.797

Min.: 1
Mult.: 1

SMD/SMT

GQFN-48

500 mV to 5.5 V

LTC388x Step-Down Controllers

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