DC DC Switching Controllers

Manufacturer Series Package/Case Packaging Product Status Output Type Function Output Configuration Topology Number of Outputs Output Phases Voltage - Supply (Vcc/Vdd) Frequency - Switching Duty Cycle (Max) Synchronous Rectifier Clock Sync Serial Interfaces Control Features Operating Temperature Grade Qualification Mounting Type Supplier Device Package

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DC DC Switching Controllers

DC-DC switching controllers are power management ICs used to control external power switches for efficient voltage conversion. They support buck, boost, buck-boost, flyback, and other switching topologies, and are commonly used in power supplies, industrial equipment, automotive electronics, communication systems, servers, battery-powered devices, and embedded applications.

TomatoElec is an independent electronic components distributor supplying DC-DC switching controller ICs from mainstream manufacturers such as Texas Instruments, Analog Devices, STMicroelectronics, onsemi, Infineon, Microchip, Renesas, NXP, Diodes Incorporated, and Monolithic Power Systems. Customers can check inventory, price, package, specifications, parameters and PDF datasheets in the product list below, and submit a BOM or RFQ for DC-DC switching controller sourcing support.

Photo Mfr. Part # Availability Price Quantity Datasheet Series Package/Case Packaging Product Status Output Type Function Output Configuration Topology Number of Outputs Output Phases Voltage - Supply (Vcc/Vdd) Frequency - Switching Duty Cycle (Max) Synchronous Rectifier Clock Sync Serial Interfaces Control Features Operating Temperature Grade Qualification Mounting Type Supplier Device Package
LTC3728IUH#PBF

LTC3728IUH#PBF

IC REG CTRLR BUCK 32QFN

Analog Devices Inc.

146 -
RFQ
LTC3728IUH#PBF

Datasheet

- 32-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 2 2 3.5V ~ 30V 260kHz ~ 550kHz 99.4% Yes No - Enable, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 32-QFN (5x5)
LTC3887EUJ-2#PBF

LTC3887EUJ-2#PBF

DUAL OUTPUT POLYPHASE STEP-DOWN

Analog Devices Inc.

71 -
RFQ
LTC3887EUJ-2#PBF

Datasheet

PolyPhase® 40-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 34V 250kHz ~ 1MHz - Yes Yes I2C, PMBus Enable, Frequency Control, Phase Control -40°C ~ 125°C (TJ) - - Surface Mount 40-QFN (6x6)
LTC3890HGN-3#PBF

LTC3890HGN-3#PBF

IC REG CTRLR BUCK/SEPIC 28SSOP

Analog Devices Inc.

24 -
RFQ
LTC3890HGN-3#PBF

Datasheet

- 28-SSOP (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down, Step-Up/Step-Down Positive Buck, SEPIC 2 2 4V ~ 60V 105kHz ~ 835kHz, 350kHz ~ 535kHz 99% Yes No - Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 150°C (TJ) - - Surface Mount 28-SSOP
LTC3897IUHG-2#PBF

LTC3897IUHG-2#PBF

PP SYNC BOOST CNTR W/ IN/ OUT P

Analog Devices Inc.

55 -
RFQ
LTC3897IUHG-2#PBF

Datasheet

PolyPhase® 38-WFQFN Exposed Pad Tube Active Transistor Driver Step-Up Positive Boost 2 2 4.5V ~ 65V 75kHz ~ 850kHz - Yes Yes - Current Limit, Frequency Control, Overcurrent, Ramping -40°C ~ 125°C (TJ) - - Surface Mount 38-QFN (5x7)
LTC1628IG#PBF

LTC1628IG#PBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

46 -
RFQ
LTC1628IG#PBF

Datasheet

- 16-SSOP (0.209", 5.30mm Width) Tube Active Transistor Driver Step-Down Positive Buck 2 2 3.5V ~ 30V 220kHz 99.4% Yes No - Enable, Frequency Control, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-SSOP
LTC7821IUH#PBF

LTC7821IUH#PBF

IC REG CTRLR BUCK HYBRID 32QFN

Analog Devices Inc.

40 -
RFQ
LTC7821IUH#PBF

Datasheet

- 32-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 2 10V ~ 72V 200kHz ~ 1.5MHz 40% No No - Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 32-QFN (5x5)
MAX16930BATLS/V+

MAX16930BATLS/V+

IC REG BUCK DUAL 40TQFN

Analog Devices Inc./Maxim Integrated

443 -
RFQ
MAX16930BATLS/V+

Datasheet

- 40-WFQFN Exposed Pad Tube Active Transistor Driver Step-Up, Step-Down Positive Buck, Boost 3 2 3.5V ~ 42V 1MHz ~ 2.2MHz 95% Yes Yes - Enable, Frequency Control, Power Good -40°C ~ 125°C (TJ) Automotive AEC-Q100 Surface Mount 40-TQFN (6x6)
LTC1625CGN#TRPBF

LTC1625CGN#TRPBF

IC REG CTRLR BUCK/BOOST 16SSOP

Analog Devices Inc.

5,000 -
RFQ
LTC1625CGN#TRPBF

Datasheet

- 16-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down, Step-Up/Step-Down Positive or Negative Buck, Boost 1 1 3.7V ~ 36V 150kHz 99% Yes Yes - Enable, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 16-SSOP
LTC1435IG#PBF

LTC1435IG#PBF

IC REG CTRLR BUCK 16SSOP

Analog Devices Inc.

35 -
RFQ
LTC1435IG#PBF

Datasheet

- 16-SSOP (0.209", 5.30mm Width) Tube Active Transistor Driver Step-Down Positive Buck 1 1 3.5V ~ 30V Up to 400kHz 99% Yes No - Enable, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-SSOP
LTC1702AIGN#PBF

LTC1702AIGN#PBF

IC REG CTRLR BUCK 24SSOP

Analog Devices Inc.

37 -
RFQ
LTC1702AIGN#PBF

Datasheet

- 24-SSOP (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down Positive Buck 2 2 3V ~ 7V 550kHz 90% Yes No - Current Limit, Enable, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 24-SSOP
LTC1148LCS-3.3#PBF

LTC1148LCS-3.3#PBF

IC REG CTRLR BUCK 14SOIC

Analog Devices Inc.

59 -
RFQ
LTC1148LCS-3.3#PBF

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down Positive Buck 1 1 3.5V ~ 20V Up to 250kHz 100% Yes No - Current Limit, Enable 0°C ~ 70°C (TA) - - Surface Mount 14-SO
LTC1159CS#PBF

LTC1159CS#PBF

IC REG CTRLR BUCK 16SOIC

Analog Devices Inc.

35 -
RFQ
LTC1159CS#PBF

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down Positive or Negative Buck 1 1 4V ~ 40V Up to 250kHz 100% Yes No - Current Limit, Enable 0°C ~ 70°C (TA) - - Surface Mount 16-SO
LTC3827IG-1#PBF

LTC3827IG-1#PBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

0 -
RFQ
LTC3827IG-1#PBF

Datasheet

- 28-SSOP (0.209", 5.30mm Width) Tube Active Transistor Driver Step-Down Positive Buck 2 2 4V ~ 36V 250kHz ~ 530kHz 99.4% Yes No - Enable, Power Good, Soft Start, Tracking -40°C ~ 85°C (TA) - - Surface Mount 28-SSOP
LT8708ELWE#PBF

LT8708ELWE#PBF

80V BIDIRECTIONAL BUCK-BOOST CON

Analog Devices Inc.

59 -
RFQ
LT8708ELWE#PBF

Datasheet

- 64-LQFP Exposed Pad Tray Active Transistor Driver Step-Up/Step-Down Positive Buck-Boost 1 2 2.8V ~ 80V 100kHz ~ 400kHz 80% Yes Yes - Enable -40°C ~ 125°C (TJ) - - Surface Mount 64-LQFP-EP (10x10)
LTC3897IUHF#PBF

LTC3897IUHF#PBF

IC REG CTRLR BUCK BOOST 38QFN

Analog Devices Inc.

52 -
RFQ
LTC3897IUHF#PBF

Datasheet

- 38-WFQFN Exposed Pad Tube Active Transistor Driver Step-Up Positive Boost 2 2 4.5V ~ 65V 75kHz ~ 850kHz - Yes Yes - Current Limit, Frequency Control, Overcurrent, Ramping -40°C ~ 125°C (TJ) - - Surface Mount 38-QFN (5x7)
LTC1876EG#PBF

LTC1876EG#PBF

IC REG CTRLR BUCK 36SSOP

Analog Devices Inc.

36 -
RFQ
LTC1876EG#PBF

Datasheet

PolyPhase® 36-SSOP (0.209", 5.30mm Width) Tube Active Transistor Driver Step-Down Positive Buck 3 2 3.5V ~ 36V 220kHz 99.4% No No - Enable, Frequency Control, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 36-SSOP
LTC3886EUKG#TRPBF

LTC3886EUKG#TRPBF

IC REG CTRLR BUCK PMBUS 52QFN

Analog Devices Inc.

3,636 -
RFQ
LTC3886EUKG#TRPBF

Datasheet

PolyPhase® 52-WFQFN, 46 Leads, Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 60V 100kHz ~ 750kHz - Yes Yes I2C, PMBus Enable, Frequency Control, Phase Control, Power Good -40°C ~ 125°C (TJ) - - Surface Mount 52-QFN (7x8)
MAX15034BAUI+

MAX15034BAUI+

IC REG CTRLR BUCK 28TSSOP

Analog Devices Inc./Maxim Integrated

48 -
RFQ
MAX15034BAUI+

Datasheet

- 28-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 2 2 4.75V ~ 5.5V, 5V ~ 28V 100kHz ~ 1MHz - Yes No - Enable, Frequency Control -40°C ~ 125°C (TJ) - - Surface Mount 28-TSSOP-EP
LTC3871ILXE#PBF

LTC3871ILXE#PBF

IC REG CTRLR BCK/BST SYN 48LQFP

Analog Devices Inc.

122 -
RFQ
LTC3871ILXE#PBF

Datasheet

PolyPhase® 48-LQFP Exposed Pad Tray Active Transistor Driver Step-Up, Step-Down Positive Buck, Boost 2 Programmable 1.2V ~ 100V 60kHz ~ 460kHz 98% Yes Yes - Current Limit, Enable, Frequency Control, Phase Control, Soft Start -40°C ~ 125°C (TA) - - Surface Mount 48-eLQFP (7x7)
LTC3884IRHE#WPBF

LTC3884IRHE#WPBF

2X OUT POLYPHBUCK CNTR W/ SUB-MI

Analog Devices Inc.

61 -
RFQ
LTC3884IRHE#WPBF

Datasheet

PolyPhase® 48-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 38V 200kHz ~ 1MHz - Yes Yes I2C, PMBus Enable, Frequency Control, Phase Control, Power Good -40°C ~ 125°C - - Surface Mount 48-GQFN (5x6)
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