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
LTC3728LIGN#PBF

LTC3728LIGN#PBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

9 -
RFQ
LTC3728LIGN#PBF

Datasheet

- 28-SSOP (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 28V 260kHz ~ 550kHz 99.4% Yes No - Enable, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 28-SSOP
LTC3802EGN#PBF

LTC3802EGN#PBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

31 -
RFQ
LTC3802EGN#PBF

Datasheet

- 28-SSOP (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down Positive Buck 2 2 3V ~ 30V 330kHz ~ 750kHz 89% Yes No - Current Limit, Enable, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 28-SSOP
LT8204RFE#PBF

LT8204RFE#PBF

40V H-BRIDGE CONTROLLER W/ CURRE

Analog Devices Inc.

90 -
RFQ
LT8204RFE#PBF

Datasheet

- 38-TFSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Transistor Driver Step-Up/Step-Down Positive Full-Bridge, Half-Bridge 2 2 5.5V ~ 40V 100kHz ~ 1MHz - Yes Yes SPI Current Limit, Dead Time Control, Enable, Frequency Control, Ramp, Soft Start -40°C ~ 150°C (TJ) - - Surface Mount 38-TSSOP-EP
LTC1159CS-5#PBF

LTC1159CS-5#PBF

IC REG CTRLR BUCK 16SOIC

Analog Devices Inc.

7 -
RFQ
LTC1159CS-5#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
LTC1159IS-5#PBF

LTC1159IS-5#PBF

IC REG CTRLR BUCK 16SOIC

Analog Devices Inc.

5 -
RFQ
LTC1159IS-5#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 -40°C ~ 85°C (TA) - - Surface Mount 16-SO
LTC3784MPGN#PBF

LTC3784MPGN#PBF

IC REG CTRLR BOOST 28SSOP

Analog Devices Inc.

11 -
RFQ
LTC3784MPGN#PBF

Datasheet

PolyPhase® 28-SSOP (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Up Positive Boost 2 2 4.5V ~ 60V 105kHz ~ 760kHz 96% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start -55°C ~ 150°C (TJ) - - Surface Mount 28-SSOP
LM5116HJD

LM5116HJD

IC REG CTRLR BUCK 20CDIP

Texas Instruments

5 -
RFQ
LM5116HJD

Datasheet

- 20-CDIP (0.300", 7.62mm) Window Tube Active Transistor Driver Step-Down Positive Buck 1 1 6V ~ 80V 200kHz, 535kHz - Yes Yes - Enable, Frequency Control, Ramp, Soft Start -55°C ~ 175°C (TJ) - - Through Hole 20-CDIP
MAX17596ATE+

MAX17596ATE+

IC REG CTRLR BOOST/FLYBK 16TQFN

Analog Devices Inc./Maxim Integrated

0 -
RFQ
MAX17596ATE+

Datasheet

- 16-WFQFN Exposed Pad Strip Active Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback 1 1 4.5V ~ 36V 100kHz ~ 1MHz 48% No Yes - Enable, Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 16-TQFN (3x3)
MAX17597ATE+

MAX17597ATE+

IC REG CTRLR BOOST/FLYBK 16TQFN

Analog Devices Inc./Maxim Integrated

0 -
RFQ
MAX17597ATE+

Datasheet

- 16-WFQFN Exposed Pad Strip Active Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback 1 1 4.5V ~ 36V 100kHz ~ 1MHz 92.5% No Yes - Enable, Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 16-TQFN (3x3)
CS3843AGN8

CS3843AGN8

SWITCHING CONTROLLER

onsemi

950 -
RFQ
CS3843AGN8

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
CS5132HGDWR24

CS5132HGDWR24

DUAL SWITCHING CONTROLLER

onsemi

1,000 -
RFQ
CS5132HGDWR24

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
NCP5217AMNTXG

NCP5217AMNTXG

IC REG CTRLR BUCK 14-QFN

onsemi

0 -
RFQ
NCP5217AMNTXG

Datasheet

- 14-VFQFN Exposed Pad Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 27V 300kHz - Yes No - Enable, Power Good -40°C ~ 85°C (TA) - - Surface Mount 14-QFN (3.5x3.5)
UC3842ANG

UC3842ANG

IC REG CTRLR FLYBK ISO PWM 8-DIP

onsemi

0 -
RFQ
UC3842ANG

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 10V ~ 30V Up to 500kHz 96% No No - Frequency Control 0°C ~ 70°C (TA) - - Through Hole 8-PDIP
UC3842Q

UC3842Q

1A, 500KHZ BIPOLAR, PQCC20

Unitrode

966 -
RFQ
UC3842Q

Datasheet

- 20-LCC (J-Lead) Bulk Active Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive, Isolation Capable Boost, Buck, Buck-Boost, Flyback, Forward 1 1 - Up to 500kHz 97% No No - Frequency Control 0°C ~ 70°C (TA) - - Surface Mount 20-PLCC (9x9)
LM1771TSD

LM1771TSD

SWITCHING CONTROLLER, VOLTAGE-MO

National Semiconductor

1,000 -
RFQ
LM1771TSD

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)
CS51311GD14

CS51311GD14

SWITCHING CONTROLLER

onsemi

990 -
RFQ
CS51311GD14

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
ISL6401IB

ISL6401IB

SWITCHING CONTROLLER

Intersil

990 -
RFQ
ISL6401IB

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Bulk Active Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 4.5V ~ 5.5V 50kHz ~ 500kHz 48% No Yes - Enable, Frequency Control, Soft Start, Sync -40°C ~ 85°C (TA) - - Surface Mount 14-SOIC
UC3844BNST

UC3844BNST

IC REG CTRLR PWM CM 8-MINIDIP

STMicroelectronics

182 -
RFQ
UC3844BNST

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 10V ~ 30V Up to 500kHz 48% No No - Frequency Control 0°C ~ 70°C (TJ) - - Through Hole 8-Mini DIP
E-UC2845BN

E-UC2845BN

IC REG CTRLR BST/FLYBK 8-MINIDIP

STMicroelectronics

37 -
RFQ
E-UC2845BN

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Obsolete Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 7.6V ~ 30V Up to 500kHz 48% No No - Frequency Control -25°C ~ 85°C (TA) - - Through Hole 8-Mini DIP
TL1451ACNSLE

TL1451ACNSLE

DUAL SWITCHING CONTROLLER

Texas Instruments

1,000 -
RFQ
TL1451ACNSLE

Datasheet

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