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
LTC3732CG

LTC3732CG

IC REG CTRLR BUCK 36SSOP

Analog Devices Inc.

39 -
RFQ
LTC3732CG

Datasheet

PolyPhase® 36-SSOP (0.209", 5.30mm Width) Tube Active Transistor Driver Step-Down Positive Buck 3 3 4.5V ~ 7V 225kHz ~ 680kHz 98.5% Yes No - Enable, Power Good, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 36-SSOP
LT3781IG

LT3781IG

IC REG CTRLR FWRD CONV 20SSOP

Analog Devices Inc.

19 -
RFQ
LT3781IG

Datasheet

- 20-SSOP (0.209", 5.30mm Width) Tube Active Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Forward Converter 1 1 9V ~ 18V 700kHz - No Yes - Enable, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 20-SSOP
MAX5003CSE+

MAX5003CSE+

IC REG CTRLR BUCK 16SOIC

Analog Devices Inc./Maxim Integrated

36 -
RFQ
MAX5003CSE+

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Down Positive, Isolation Capable Buck 1 1 10.75V ~ 18.75V 50kHz ~ 300kHz 75% No No - Frequency Control, On Time Control, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 16-SOIC
LTC1439CG

LTC1439CG

IC REG CTRLR BUCK 36SSOP

Analog Devices Inc.

37 -
RFQ
LTC1439CG

Datasheet

- 36-SSOP (0.209", 5.30mm Width) Tube Active Transistor Driver Step-Down Positive Buck 2 1 3.5V ~ 30V Up to 400kHz 99% Yes No - Enable, Power on Reset, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 36-SSOP
LTC3853MPUJ#PBF

LTC3853MPUJ#PBF

IC REG CTRLR BUCK 40QFN

Analog Devices Inc.

22 -
RFQ
LTC3853MPUJ#PBF

Datasheet

- 40-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 3 3 4.5V ~ 24V 250kHz ~ 750kHz 98% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking -55°C ~ 150°C (TJ) - - Surface Mount 40-QFN (6x6)
UC1841L883B

UC1841L883B

SWITCHING CONTROLLER, CURRENT-MO

Unitrode

59 -
RFQ
UC1841L883B

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
LM1575HVK12/883QF

LM1575HVK12/883QF

SMPS CONTROLLER, SWITCHING VOLT

National Semiconductor

30 -
RFQ
LM1575HVK12/883QF

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
UC1865J

UC1865J

SWITCHING CONTROLLER

Texas Instruments

66 -
RFQ
UC1865J

Datasheet

- 16-CDIP (0.300", 7.62mm) Bulk Active Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull 2 1 22V 50kHz ~ 500kHz - No No - Soft Start -55°C ~ 125°C (TA) - - Through Hole 16-CDIP
UC1854AJ883B

UC1854AJ883B

POWER FACTOR CONTROLLER, CURRENT

Unitrode

19 -
RFQ
UC1854AJ883B

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
0729MC

0729MC

ANALG VOLT REG SWITCHING

Texas Instruments

17 -
RFQ

-

* - Bulk Active - - - - - - - - - - - - - - - - - -
5962-8768105VEA

5962-8768105VEA

UC1825A-SP HIGH SPEED PWM CONTRO

Texas Instruments

8 -
RFQ
5962-8768105VEA

Datasheet

- 16-CDIP (0.300", 7.62mm) Bulk Active Transistor Driver Step-Up, Step-Up/Step-Down Positive Buck 2 1 12V ~ 20V Up to 1MHz 50% No No - Current Limit, Enable, Frequency Control, Overcurrent, Ramp, Soft Start -55°C ~ 125°C (TA) - - Through Hole 16-CDIP
LM3842AN

LM3842AN

IC REG CTRLR MULT TOPOLOGY DIP-8

TAEJIN

258 -
RFQ
LM3842AN

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Active Transistor Driver Step-Down Positive Buck 1 1 30V 52kHz 100% No No - Enable, Frequency Control -40°C ~ 125°C - - Through Hole 8-DIP
LV5072M-MPB-H

LV5072M-MPB-H

SWITCHING REGULATOR/CONTROLLER,

onsemi

948 -
RFQ
LV5072M-MPB-H

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
TL3844PE4

TL3844PE4

TL3844 CURRENT-MODE PWM CONTROLL

Texas Instruments

840 -
RFQ
TL3844PE4

Datasheet

- 8-DIP (0.300", 7.62mm) Bulk Active Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, Forward 1 1 10V ~ 30V 500kHz 48% No No - Frequency Control 0°C ~ 70°C - - Through Hole 8-PDIP
LM1770UMF

LM1770UMF

SWITCHING CONTROLLER, VOLTAGE-MO

National Semiconductor

585 -
RFQ
LM1770UMF

Datasheet

- SC-74A, SOT-753 Bulk Active Transistor Driver Step-Down Positive Buck 1 1 2.8V ~ 5.5V 100kHz ~ 1MHz - Yes No - - -40°C ~ 125°C (TJ) - - Surface Mount SOT-23-5
LM1771UMM

LM1771UMM

SWITCHING CONTROLLER, VOLTAGE-MO

National Semiconductor

970 -
RFQ
LM1771UMM

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 2.8V ~ 5.5V 100kHz ~ 1MHz - Yes No - Enable -40°C ~ 125°C (TJ) - - Surface Mount 8-VSSOP
UC2843AD

UC2843AD

UC2843A CURRENT MODE PWM CONTROL

Unitrode

868 -
RFQ
UC2843AD

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
LM1771TSD/NOPB

LM1771TSD/NOPB

LM1771 LOW-VOLTAGE SYNCHRONOUS B

National Semiconductor

1,000 -
RFQ
LM1771TSD/NOPB

Datasheet

- 6-WDFN Exposed Pad Bulk Active Transistor Driver Step-Down Positive Buck 1 1 2.8V ~ 5.5V 100kHz ~ 1MHz - Yes No - Enable -40°C ~ 125°C (TJ) - - Surface Mount 6-WSON (3x3)
TC33063AVPA

TC33063AVPA

DC/DC CONVERTER CONTROL CIRCUIT

Microchip Technology

869 -
RFQ

-

* - Bulk Active - - - - - - - - - - - - - - - - - -
UCC38C45DGK

UCC38C45DGK

UCC38C45 BICMOS LOW-POWER CURREN

Unitrode

393 -
RFQ
UCC38C45DGK

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Bulk Active Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, Forward Converter 1 1 7.6V ~ 18V Up to 1MHz 48% No No - Frequency Control 0°C ~ 70°C (TJ) - - Surface Mount 8-VSSOP
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