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DC DC Switching Controllers

Explore DC DC Switching Controllers parts from multiple manufacturers, with model information, availability, datasheets and technical specifications for engineering and purchasing.

For parts that are not shown in the list, send the manufacturer part number, quantity or BOM to JIEXIN Electronics. Our team can assist with availability checks and quotation 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
UC3842AD Fairchild Semiconductor

UC3842AD

SWITCHING CONTROLLER

Fairchild Semiconductor

5,582
Datasheet - 14-SOIC (0.154", 3.90mm Width) Tube Obsolete - - - - - - - - - - - - - 0°C ~ 70°C (TA) - - Surface Mount 14-SOIC
SP6122ACU-L/TR Sipex

SP6122ACU-L/TR

SWITCHING CONTROLLER, CURRENT-MO

Sipex

5,000
Datasheet * - Bulk Active - - - - - - - - - - - - - - - - - -
SP6122ACU-L Sipex

SP6122ACU-L

SWITCHING CONTROLLER, CURRENT-MO

Sipex

4,711
Datasheet * - Bulk Active - - - - - - - - - - - - - - - - - -
SP6123AEN-L Sipex

SP6123AEN-L

LOW VOLTAGE, SYNCHRONOUS STEP DO

Sipex

1,036
Datasheet * - Bulk Active - - - - - - - - - - - - - - - - - -
LM1771SSD National Semiconductor

LM1771SSD

SWITCHING CONTROLLER, VOLTAGE-MO

National Semiconductor

114,000
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)
MC33463H-50KT1 onsemi

MC33463H-50KT1

IC REG LIN SWITCHING VOLT MODE

onsemi

37,778
Datasheet * - Bulk Active - - - - - - - - - - - - - - - - - -
PX7510EDSGCS09024XUMA1 Infineon Technologies

PX7510EDSGCS09024XUMA1

IC GATE

Infineon Technologies

4,000
Datasheet - - Bulk Obsolete - - - - - - - - - - - - - - - - - -
FAN5029MPX Fairchild Semiconductor

FAN5029MPX

SWITCHING CONTROLLER

Fairchild Semiconductor

173,848
Datasheet - 40-WFQFN Exposed Pad Bulk Obsolete PWM Signal Step-Down Positive Buck 5 5 - 1MHz - - No - Current Limit, Enable, Soft Start 0°C ~ 85°C (TA) - - Surface Mount 40-MLP (6x6)
NCP81102MNTWG onsemi

NCP81102MNTWG

IC REG BUCK CTLR 32QFN

onsemi

1,973
Datasheet - 32-VFQFN Exposed Pad Tape & Reel (TR) Obsolete - - - - - - - - - - - - - - - - Surface Mount 32-QFN (5x5)
MAX1980ETP Analog Devices Inc./Maxim Integrated

MAX1980ETP

QUICK-PWM DC-DC CONVERTER

Analog Devices Inc./Maxim Integrated

50,110
Datasheet - 20-WQFN Exposed Pad Bulk Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 5.5V 200kHz, 300kHz, 550kHz - Yes No - Current Limit, On Time Control, Pulse Skipping -40°C ~ 100°C (TA) - - Surface Mount 20-TQFN (5x5)
MAX1980ETP-T Analog Devices Inc./Maxim Integrated

MAX1980ETP-T

QUICK-PWM DC-DC CONVERTER

Analog Devices Inc./Maxim Integrated

17,500
Datasheet - 20-WQFN Exposed Pad Bulk Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 5.5V 200kHz, 300kHz, 550kHz - Yes No - Current Limit, On Time Control, Pulse Skipping -40°C ~ 100°C (TA) - - Surface Mount 20-TQFN (5x5)
FAN6520AM Fairchild Semiconductor

FAN6520AM

SWITCHING CONTROLLER

Fairchild Semiconductor

8,584
Datasheet - 8-SOIC (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 5.5V 300kHz 100% Yes No - Enable 0°C ~ 70°C (TA) - - Surface Mount 8-SOIC
LV5747TT-TLM-E Sanyo

LV5747TT-TLM-E

STEP-DOWN SWITCHING REGULATOR

Sanyo

4,000
Datasheet * - Bulk Active - - - - - - - - - - - - - - - - - -
ISL6439ACB Intersil

ISL6439ACB

SWITCHING CONTROLLER

Intersil

2,795
Datasheet - 14-SOIC (0.154", 3.90mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 2.97V ~ 3.63V 600kHz 100% Yes No - Enable, Frequency Control, Phase Control, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 14-SOIC
ISL6401IB-T Intersil

ISL6401IB-T

SWITCHING CONTROLLER

Intersil

2,500
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
ISL6439ACB-T Intersil

ISL6439ACB-T

VOLTAGE MODE PWM CONTROLLER 0.8V

Intersil

2,500
Datasheet - 14-SOIC (0.154", 3.90mm Width) Bulk Active Transistor Driver - Positive Buck 1 1 2.97V ~ 3.63V 600kHz 100% Yes No - Enable, Frequency Control, Phase Control, Soft Start 0°C ~ 70°C (TA) - - Surface Mount -
NCP1230AD100R2 onsemi

NCP1230AD100R2

SWITCHING CONTROLLER

onsemi

2,395
Datasheet * - Bulk Active - - - - - - - - - - - - - - - - - -
UC2843AD1 REEL onsemi

UC2843AD1 REEL

ANA SMPS PWM CONTROLLER

onsemi

1,242
Datasheet - 14-SOIC (0.154", 3.90mm Width) Bulk Active Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive, Isolation Capable Boost, Buck, Flyback, Forward 1 1 7.6V ~ 30V Up to 500kHz 96% No No - Frequency Control -40°C ~ 85°C (TA) - - Surface Mount 14-SOIC
NCP3012DTBR2G onsemi

NCP3012DTBR2G

IC REG CTRLR BUCK 14TSSOP

onsemi

4,354
Datasheet - 14-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.7V ~ 28V 75kHz 86% Yes Yes - Enable, Power Good -40°C ~ 125°C (TJ) - - Surface Mount 14-TSSOP
CS51021EDR16 onsemi

CS51021EDR16

SWITCHING CONTROLLER

onsemi

105,000
Datasheet * - Bulk Active - - - - - - - - - - - - - - - - - -
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FAQ

Frequently Asked Questions

What are DC DC Switching Controllers components used for?

DC DC Switching Controllers components are used in a wide range of electronic equipment and systems. Their exact function depends on the device, circuit design and technical requirements of the application.

How do I choose the right DC DC Switching Controllers part?

Compare the manufacturer part number, key specifications, package type, operating conditions, availability and datasheet information. For replacement projects, always verify the critical electrical and mechanical parameters before selecting an alternative.

Can JIEXIN Electronics help source obsolete or hard-to-find DC DC Switching Controllers parts?

Yes. Send us the required manufacturer part number, quantity or BOM. Our sourcing team can help check stock availability, lead time, alternative sourcing options and quotation details.

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