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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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (COP) Filter the results in the table by unit price based on your quantity.	Qty.
Switching Controllers 60V 2x Out Buck Cntr w/ Dig Pwr S M LTC3886EUKG#PBF Analog Devices 1: $ 74.963 5.724In Stock	Mfr. Part # LTC3886EUKG#PBF Mouser Part # 584-LTC3886EUKG#PBF	Analog Devices	Switching Controllers 60V 2x Out Buck Cntr w/ Dig Pwr S M Learn More about Analog Devices adi ltc388x controllers	Datasheet	5.724In Stock	$ 74.963 $ 59.545 $ 54.034 $ 51.116 View $ 49.531 $ 48.739	Min.: 1 Mult.: 1 Max.: 4.579
Switching Controllers 2x Out PolyPhBuck Cntr w/ Sub-Milliohm D LTC3884IRHE-1#PBF Analog Devices 1: $ 72.694 121In Stock	Mfr. Part # LTC3884IRHE-1#PBF Mouser Part # 584-LTC3884IRHE1PBF	Analog Devices	Switching Controllers 2x Out PolyPhBuck Cntr w/ Sub-Milliohm D Learn More about Analog Devices adi ltc388x controllers	Datasheet	121In Stock	$ 72.694 $ 57.636 $ 53.854	Min.: 1 Mult.: 1 Max.: 96
Switching Voltage Regulators 2x Out PolyPhBuck DC/DC Cntr w/ Dig Pwr LTC3880IUJ-1#PBF Analog Devices 1: $ 71.613 68In Stock	Mfr. Part # LTC3880IUJ-1#PBF Mouser Part # 584-LTC3880IUJ-1#PBF	Analog Devices	Switching Voltage Regulators 2x Out PolyPhBuck DC/DC Cntr w/ Dig Pwr Learn More about Analog Devices adi ltc388x controllers	Datasheet	68In Stock	$ 71.613 $ 56.772 $ 53.061 $ 48.919 View $ 46.685 $ 45.857	Min.: 1 Mult.: 1
Switching Controllers 1x PhBuck DC/DC Cntr w/ Dig Pwr S M LTC3883IUH#WPBF Analog Devices 1: $ 65.165 93In Stock	Mfr. Part # LTC3883IUH#WPBF Mouser Part # 584-LTC3883IUH#WPBF	Analog Devices	Switching Controllers 1x PhBuck DC/DC Cntr w/ Dig Pwr S M Learn More about Analog Devices adi ltc388x controllers	Datasheet	93In Stock	$ 65.165 $ 50.215 $ 44.848 $ 43.335 View $ 41.714 $ 40.958 $ 40.922	Min.: 1 Mult.: 1
Switching Controllers 2x Out PolyPhBuck DC/DC Cntr w/ Dig Pwr LTC3887EUJ-2#PBF Analog Devices 1: $ 64.913 122In Stock	Mfr. Part # LTC3887EUJ-2#PBF Mouser Part # 584-LTC3887EUJ-2#PBF	Analog Devices	Switching Controllers 2x Out PolyPhBuck DC/DC Cntr w/ Dig Pwr Learn More about Analog Devices adi ltc388x controllers	Datasheet	122In Stock	$ 64.913 $ 50.792 $ 47.298	Min.: 1 Mult.: 1 Max.: 97
Switching Voltage Regulators 2x Out PolyPhBuck DC/DC V Mode Cntr w/ D LTC3882EUJ#PBF Analog Devices 1: $ 64.733 768In Stock	Mfr. Part # LTC3882EUJ#PBF Mouser Part # 584-LTC3882EUJ#PBF	Analog Devices	Switching Voltage Regulators 2x Out PolyPhBuck DC/DC V Mode Cntr w/ D Learn More about Analog Devices adi ltc388x controllers	Datasheet	768In Stock	$ 64.733 $ 51.296 $ 47.946 $ 44.236 View $ 42.182 $ 41.426	Min.: 1 Mult.: 1 Max.: 614
Switching Controllers 2x Out PolyPhBuck DC/DC Cntr w/ Dig Pwr LTC3887EUJ-1#PBF Analog Devices 1: $ 67.110 122In Stock	Mfr. Part # LTC3887EUJ-1#PBF Mouser Part # 584-LTC3887EUJ-1#PBF	Analog Devices	Switching Controllers 2x Out PolyPhBuck DC/DC Cntr w/ Dig Pwr Learn More about Analog Devices adi ltc388x controllers	Datasheet	122In Stock	$ 67.110 $ 52.917 $ 48.162	Min.: 1 Mult.: 1 Max.: 97
Switching Controllers 1x PhBuck DC/DC Cntr w/ Dig Pwr S M LTC3883EUH#WPBF Analog Devices 1: $ 60.626 35In Stock	Mfr. Part # LTC3883EUH#WPBF Mouser Part # 584-LTC3883EUH#WPBF	Analog Devices	Switching Controllers 1x PhBuck DC/DC Cntr w/ Dig Pwr S M Learn More about Analog Devices adi ltc388x controllers	Datasheet	35In Stock	$ 60.626 $ 48.054 $ 44.920 $ 40.778 View $ 39.373 $ 38.724 $ 38.688	Min.: 1 Mult.: 1
Switching Controllers 2x Out PolyPhBuck Cntr w/ Sub-Milliohm D LTC3884IUK#PBF Analog Devices 1: $ 76.044 108In Stock	Mfr. Part # LTC3884IUK#PBF Mouser Part # 584-LTC3884IUK#PBF	Analog Devices	Switching Controllers 2x Out PolyPhBuck Cntr w/ Sub-Milliohm D Learn More about Analog Devices adi ltc388x controllers	Datasheet	108In Stock	$ 76.044 $ 60.266 $ 56.339	Min.: 1 Mult.: 1 Max.: 86
Switching Controllers 1x PhBuck DC/DC Cntr w/ Dig Pwr S M LTC3883IUH-1#WPBF Analog Devices 1: $ 66.173 3In Stock	Mfr. Part # LTC3883IUH-1#WPBF Mouser Part # 584-3883IUH-1#WPBF	Analog Devices	Switching Controllers 1x PhBuck DC/DC Cntr w/ Dig Pwr S M Learn More about Analog Devices adi ltc388x controllers	Datasheet	3In Stock	$ 66.173 $ 52.449 $ 49.027 $ 44.452 View $ 42.939 $ 42.218	Min.: 1 Mult.: 1
Switching Controllers Dual Output 8-Phase Step-Down DC/DC Cont LTC3888IUHG-1#PBF Analog Devices 1: $ 74.819 47In Stock 2.025On Order	Mfr. Part # LTC3888IUHG-1#PBF Mouser Part # 584-3888IUHG-1#PBF	Analog Devices	Switching Controllers Dual Output 8-Phase Step-Down DC/DC Cont Learn More about Analog Devices adi ltc388x controllers	Datasheet	47In Stock 2.025On Order On Order Ship Dates Mfr. #: LTC3888IUHG-1#PBF Stock: 47 Can Ship Immediately On Order: 1.485 Expected 11/19/2026 540 Expected 11/20/2026 Factory Lead-Time: Unverified	$ 74.819 $ 59.293 $ 55.439 $ 51.152	Min.: 1 Mult.: 1 Max.: 207
Switching Voltage Regulators 2x Out PolyPhBuck DC/DC Cntr w/ Dig Pwr LTC3880EUJ-1#PBF Analog Devices 1: $ 65.777 39In Stock	Mfr. Part # LTC3880EUJ-1#PBF Mouser Part # 584-LTC3880EUJ-1#PBF	Analog Devices	Switching Voltage Regulators 2x Out PolyPhBuck DC/DC Cntr w/ Dig Pwr Learn More about Analog Devices adi ltc388x controllers	Datasheet	39In Stock	$ 65.777 $ 51.837 $ 47.190 $ 44.308 View $ 43.335 $ 41.534 $ 41.030 Quote	Min.: 1 Mult.: 1
Switching Voltage Regulators 2x Out PolyPhBuck DC/DC Cntr w/ Dig Pwr LTC3880IUJ#PBF Analog Devices 1: $ 74.819 1In Stock	Mfr. Part # LTC3880IUJ#PBF Mouser Part # 584-LTC3880IUJ#PBF	Analog Devices	Switching Voltage Regulators 2x Out PolyPhBuck DC/DC Cntr w/ Dig Pwr Learn More about Analog Devices adi ltc388x controllers	Datasheet	1In Stock	$ 74.819 $ 59.293 $ 55.439 $ 51.152 View $ 48.198 $ 47.334 Quote	Min.: 1 Mult.: 1
Switching Voltage Regulators 2x Out PolyPhBuck DC/DC V Mode Cntr w/ D LTC3882IUJ-1#PBF Analog Devices 1: $ 74.134 22In Stock	Mfr. Part # LTC3882IUJ-1#PBF Mouser Part # 584-LTC3882IUJ-1#PBF	Analog Devices	Switching Voltage Regulators 2x Out PolyPhBuck DC/DC V Mode Cntr w/ D Learn More about Analog Devices adi ltc388x controllers	Datasheet	22In Stock	$ 74.134 $ 58.933 $ 53.854 $ 50.756 View $ 48.630 $ 47.730 Quote	Min.: 1 Mult.: 1
Switching Controllers 2x Out PolyPhBuck Cntr w/ Sub-Milliohm D LTC3884EUK#PBF Analog Devices 1: $ 76.512 1In Stock	Mfr. Part # LTC3884EUK#PBF Mouser Part # 584-LTC3884EUK#PBF	Analog Devices	Switching Controllers 2x Out PolyPhBuck Cntr w/ Sub-Milliohm D Learn More about Analog Devices adi ltc388x controllers	Datasheet	1In Stock	$ 76.512 $ 60.626 $ 54.862 $ 51.837 View $ 49.891 $ 48.991	Min.: 1 Mult.: 1
Switching Controllers 60V 2x Out Buck Cntr w/ Dig Pwr S M LTC3886IUKG#PBF Analog Devices 1: $ 81.591 70In Stock	Mfr. Part # LTC3886IUKG#PBF Mouser Part # 584-LTC3886IUKG#PBF	Analog Devices	Switching Controllers 60V 2x Out Buck Cntr w/ Dig Pwr S M Learn More about Analog Devices adi ltc388x controllers	Datasheet	70In Stock	$ 81.591 $ 65.201 $ 61.130 $ 56.591 View $ 53.962 $ 52.665 Quote	Min.: 1 Mult.: 1
Switching Controllers 2x Out PolyPhBuck DC/DC Cntr w/ Dig Pwr LTC3887IUJ#PBF Analog Devices 1: $ 75.864 44In Stock	Mfr. Part # LTC3887IUJ#PBF Mouser Part # 584-LTC3887IUJ#PBF	Analog Devices	Switching Controllers 2x Out PolyPhBuck DC/DC Cntr w/ Dig Pwr Learn More about Analog Devices adi ltc388x controllers	Datasheet	44In Stock	$ 75.864 $ 60.122 $ 56.195 $ 51.837 View $ 48.883 $ 47.946	Min.: 1 Mult.: 1
Switching Controllers 60V Dual Step-Down Controller with DPSM LTC3889IUKG#PBF Analog Devices 1: $ 106.591 44In Stock	Mfr. Part # LTC3889IUKG#PBF Mouser Part # 584-LTC3889IUKG#PBF	Analog Devices	Switching Controllers 60V Dual Step-Down Controller with DPSM Learn More about Analog Devices adi ltc388x controllers	Datasheet	44In Stock	$ 106.591 $ 85.229 $ 79.898 $ 73.990 View $ 71.181 $ 69.524	Min.: 1 Mult.: 1

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