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DC DC Switching Controllers

Browse available DC DC Switching Controllers part numbers with manufacturer references, stock information, pricing, datasheets and key specifications. Use the table below to compare options for your project.

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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
CS51221EDTB16G onsemi

CS51221EDTB16G

IC REG CTRLR FWRD CONV 16TSSOP

onsemi

4,156 -
Datasheet - 16-TSSOP (0.173", 4.40mm Width) Tube Obsolete Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Forward Converter 1 1 3.8V ~ 15V 1MHz 85% No Yes - Current Limit, Frequency Control, Ramp, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-TSSOP
RC5037MT Fairchild Semiconductor

RC5037MT

SWITCHING CONTROLLER

Fairchild Semiconductor

3,950 -
Datasheet - 8-SOIC (0.154", 3.90mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 7V - - No No - Frequency Control 0°C ~ 70°C (TA) - - Surface Mount 8-SOIC
ISL6439CB-T Intersil

ISL6439CB-T

SWITCHING CONTROLLER

Intersil

2,500 -
Datasheet - 14-SOIC (0.154", 3.90mm Width) Bulk Obsolete Transistor Driver Step-Down Positive Buck 1 1 2.97V ~ 3.63V 300kHz 100% Yes No - Enable, Phase Control 0°C ~ 70°C (TA) - - Surface Mount 14-SOIC
CS5165HGDW16 onsemi

CS5165HGDW16

SWITCHING CONTROLLER

onsemi

2,350 -
Datasheet * - Bulk Active - - - - - - - - - - - - - - - - - -
UCD7231RTJR Texas Instruments

UCD7231RTJR

IC REG CTRLR BUCK 20QFN

Texas Instruments

1,734 -
Datasheet - 20-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4.7V ~ 15V Up to 2MHz - Yes No - Current Limit -40°C ~ 125°C (TJ) - - Surface Mount 20-QFN (4x4)
SUR324CTRLFBG onsemi

SUR324CTRLFBG

REC T0220 SPECIAL ULTFST

onsemi

15,797 -
Datasheet * - Bulk Active - - - - - - - - - - - - - - - - - -
UC3842BVDR2G onsemi

UC3842BVDR2G

IC REG CTRLR PWM CM 14-SOIC

onsemi

3,205 -
Datasheet - 14-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) 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 -40°C ~ 105°C (TA) - - Surface Mount 14-SOIC
HIP6013CB-T-HC Harris Corporation

HIP6013CB-T-HC

SWITCHING CONTROLLER, VOLTAGE-MO

Harris Corporation

2,500 -
Datasheet - 14-SOIC (0.154", 3.90mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 10.8V ~ 13.2V 50kHz ~ 1MHz 100% Yes No - Enable, Frequency Control, Phase Control, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 14-SOIC
MIC38C43AYM Microchip Technology

MIC38C43AYM

IC REG CTRLR MULT TOPOLOGY 8SOIC

Microchip Technology

222 -
Datasheet - 8-SOIC (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive, Isolation Capable Buck, Boost, Flyback, Forward Converter 1 1 7.6V ~ 20V 500kHz 96% Yes No - Frequency Control -40°C ~ 85°C (TA) - - Surface Mount 8-SOIC
TL494CD onsemi

TL494CD

IC REG CTRLR BCK/PSH-PULL 16SOIC

onsemi

1,820 -
Datasheet SWITCHMODE™ 16-SOIC (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Down, Step-Up/Step-Down Positive Buck, Push-Pull 2 1 7V ~ 40V 200kHz 48% Yes No - Dead Time Control, Frequency Control 0°C ~ 70°C (TA) - - Surface Mount 16-SOIC
UCD7230PWP Texas Instruments

UCD7230PWP

IC REG CTRLR BUCK 20HTSSOP

Texas Instruments

2,487 -
Datasheet - 20-PowerTSSOP (0.173", 4.40mm Width) Bulk Not For New Designs Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 15.5V Up to 2MHz - Yes No - Current Limit, Enable -40°C ~ 125°C (TJ) - - Surface Mount 20-HTSSOP
ISL6406IV-T Intersil

ISL6406IV-T

SWITCHING CONTROLLER

Intersil

2,500 -
Datasheet - 16-TSSOP (0.173", 4.40mm Width) Bulk Obsolete Transistor Driver Step-Down Positive Buck 1 1 2.97V ~ 3.63V 100kHz ~ 715kHz 96% Yes Yes - Enable, Frequency Control, Phase Control -40°C ~ 85°C (TA) - - Surface Mount 16-TSSOP
ISL6406CVZ-T Intersil

ISL6406CVZ-T

SWITCHING CONTROLLER

Intersil

2,500 -
Datasheet - 16-TSSOP (0.173", 4.40mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 2.97V ~ 3.63V 100kHz ~ 715kHz 96% Yes Yes - Enable, Frequency Control, Phase Control, Soft Start, Sync 0°C ~ 70°C (TA) - - Surface Mount 16-TSSOP
ISL6406CV-T Intersil

ISL6406CV-T

SWITCHING CONTROLLER

Intersil

2,500 -
Datasheet - 16-TSSOP (0.173", 4.40mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 2.97V ~ 3.63V 100kHz ~ 715kHz 96% Yes Yes - Enable, Frequency Control, Phase Control, Soft Start, Sync 0°C ~ 70°C (TA) - - Surface Mount 16-TSSOP
ISL6430CB Intersil

ISL6430CB

SWITCHING CONTROLLER

Intersil

1,285 -
Datasheet - 14-SOIC (0.154", 3.90mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 10.8V ~ 13.2V 50kHz ~ 1MHz 100% Yes Yes - Enable, Frequency Control, Phase Control, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 14-SOIC
LV5066V-TLM-H onsemi

LV5066V-TLM-H

IC REG CTLR BUCK 18V ECO 16SSOP

onsemi

1,975 -
Datasheet * - Tape & Reel (TR) Obsolete - - - - - - - - - - - - - - - - - -
ADM1051JR-REEL Analog Devices Inc.

ADM1051JR-REEL

IC REG CTRLR BUCK 8SOIC

Analog Devices Inc.

155,000 -
Datasheet - - Bulk Obsolete - - - - - - - - - - - - - - - - - -
ISL6526CR-T Intersil

ISL6526CR-T

SWITCHING CONTROLLER

Intersil

6,000 -
Datasheet - 16-VQFN Exposed Pad Bulk Obsolete Transistor Driver Step-Down Positive Buck 1 1 2.97V ~ 3.63V 300kHz 100% Yes No - Enable, Phase Control 0°C ~ 70°C (TA) - - Surface Mount 16-QFN (5x5)
TL594CPW Texas Instruments

TL594CPW

IC REG CTRLR MULT TOP 16TSSOP

Texas Instruments

899 -
Datasheet - 16-TSSOP (0.173", 4.40mm Width) Bulk Obsolete Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull 2 1 7V ~ 40V 1kHz ~ 300kHz 97% No No - Dead Time Control, Frequency Control 0°C ~ 70°C (TA) - - Surface Mount 16-TSSOP
UC2526Q Texas Instruments

UC2526Q

SWITCHING CONTROLLER

Texas Instruments

2,760 -
Datasheet * - Bulk Active - - - - - - - - - - - - - - - - - -
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WINSUN SOURCING SUPPORT

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DC DC Switching Controllers FAQ

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What should I check when selecting DC DC Switching Controllers components?

Compare the manufacturer part number, electrical specifications, package, operating conditions and application requirements. The product datasheet should be used to confirm technical suitability.

Can Winsun help source specific DC DC Switching Controllers part numbers?

Yes. Send the exact part number, manufacturer and required quantity. Winsun (HK) Electronics can assist with availability checks, quotation support and sourcing options based on your requirement.

Do you support shortage, obsolete or hard-to-find DC DC Switching Controllers parts?

Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.

How do I request a quote for DC DC Switching Controllers components?

Submit an RFQ with the part number, manufacturer, quantity and target delivery requirement. Our sales team will review your request and follow up with current sourcing information.