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DC DC Switching Controllers

Use the filters and product table below to compare DC DC Switching Controllers components by manufacturer, availability, pricing reference and technical specifications. Review datasheets and key parameters to narrow the selection for your application.

If you already have a target part number, package, rating or quantity, send the requirement to Winsun (HK) Electronics for availability checks, BOM sourcing, shortage support and quotation assistance.

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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
R1240N001B-TR-FE Nisshinbo Micro Devices Inc.

R1240N001B-TR-FE

PWM STEP-DOWN DCDC CONVERTER

Nisshinbo Micro Devices Inc.

6,867 -
Datasheet - SOT-23-6 Tape & Reel (TR) Active PWM Step-Down Positive Buck 1 1 4.5V ~ 30V 1.25MHz 85% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-6W
R1211N002B-TR-FE Nisshinbo Micro Devices Inc.

R1211N002B-TR-FE

PWM STEP-UP DCDC CONTROLLER

Nisshinbo Micro Devices Inc.

2,712 -
Datasheet - SOT-23-6 Tape & Reel (TR) Active PWM Step-Up Positive Boost 1 1 2.5V ~ 6V 700kHz 90% No No - Enable -40°C ~ 85°C - - Surface Mount SOT-23-6W
R1224N102M-TR-FE Nisshinbo Micro Devices Inc.

R1224N102M-TR-FE

PWM/VFM STEP-DOWN DCDC CONTROLLE

Nisshinbo Micro Devices Inc.

5,950 -
Datasheet - SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.3V ~ 18.5V 180kHz 100% No No - Enable -40°C ~ 85°C - - Surface Mount SOT-23-5
R1272S032A-E2-FE Nisshinbo Micro Devices Inc.

R1272S032A-E2-FE

34V INPUT PWM/VFM STEP-DOWN DCDC

Nisshinbo Micro Devices Inc.

1,841 -
Datasheet R1272S 18-LFSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 34V 250kHz ~ 1MHz - Yes Yes - Current Limit, Enable, Power Good, Soft Start -40°C ~ 105°C (TA) - - Surface Mount 18-HSOP
R1260S023A-E2-FE Nisshinbo Micro Devices Inc.

R1260S023A-E2-FE

60V INPUT / 80V ABSOLUTE MAXIMUM

Nisshinbo Micro Devices Inc.

1,040 -
Datasheet - 18-LFSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 5V ~ 60V 150kHz ~ 600kHz - Yes Yes - Current Limit, Enable, Frequency Control, Power Good, Soft Start -40°C ~ 105°C (TA) - - Surface Mount 18-HSOP
RN5RK501B-TR-FE Nisshinbo Micro Devices Inc.

RN5RK501B-TR-FE

DCDC CONVERTER 8V INPUT VFM STEP

Nisshinbo Micro Devices Inc.

425 -
Datasheet - SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Up Positive Boost 1 1 8V 100kHz 55% No No - Enable -40°C ~ 85°C - - Surface Mount SOT-23-5
R1211D002B-TR-FE Nisshinbo Micro Devices Inc.

R1211D002B-TR-FE

PWM STEP-UP DCDC CONTROLLER

Nisshinbo Micro Devices Inc.

2,461 -
Datasheet - 6-SMD, Flat Leads Tape & Reel (TR) Active PWM Step-Up Positive Boost 1 1 2.5V ~ 6V 700kHz 90% No No - Enable -40°C ~ 85°C - - Surface Mount 6-SON (2.6x1.6)
R1282D002A-TR-FE Nisshinbo Micro Devices Inc.

R1282D002A-TR-FE

PWM STEP-UP/STEP-DOWN DCDC CONTR

Nisshinbo Micro Devices Inc.

100 -
Datasheet - 10-VFDFN Tape & Reel (TR) Last Time Buy PWM Step-Up/Step-Down Positive Buck-Boost 2 1 2.5V ~ 5.5V 700kHz - No No - - -40°C ~ 85°C - - Surface Mount 10-SON (2.9x2.8)
R1272S012A-E2-FE Nisshinbo Micro Devices Inc.

R1272S012A-E2-FE

34V INPUT PWM/VFM STEP-DOWN DCDC

Nisshinbo Micro Devices Inc.

2,619 -
Datasheet R1272S 18-LFSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 34V 250kHz ~ 1MHz - Yes Yes - Current Limit, Enable, Power Good, Soft Start -40°C ~ 105°C (TA) - - Surface Mount 18-HSOP
R1211N002A-TR-FE Nisshinbo Micro Devices Inc.

R1211N002A-TR-FE

PWM STEP-UP DCDC CONTROLLER

Nisshinbo Micro Devices Inc.

3,849 -
Datasheet - SOT-23-6 Tape & Reel (TR) Active PWM Step-Up Positive Boost 1 1 2.5V ~ 6V 700kHz 90% No No - Enable -40°C ~ 85°C - - Surface Mount SOT-23-6W
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WINSUN SOURCING SUPPORT

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Send the target part number, manufacturer, specifications and quantity. Winsun (HK) Electronics can assist with availability checks, quotation support, shortage sourcing and alternative-part options when appropriate.

Availability and lead-time support BOM, shortage and alternative sourcing
FREQUENTLY ASKED QUESTIONS

DC DC Switching Controllers FAQ

Common questions about filtering, comparing and sourcing DC DC Switching Controllers components.

How can I narrow the DC DC Switching Controllers selection?

Use the available manufacturer and technical parameter filters to reduce the product list. Compare the remaining part numbers against your electrical, package and application requirements.

Should I confirm the datasheet before selecting a part?

Yes. Always review the manufacturer datasheet to confirm ratings, package, operating conditions and other technical details before finalizing a component for your design.

Can Winsun (HK) Electronics help source a specific DC DC Switching Controllers part number?

Yes. Send the exact manufacturer part number and required quantity for availability, lead-time and quotation support.

Do you support BOM, shortage or alternative-part requirements?

Yes. You can submit a BOM or shortage list for sourcing assistance. Where appropriate, our team can also help review possible alternative-part options.