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Voltage Regulators - DC DC Switching Regulators

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

For BOM, shortage or hard-to-find requirements, send your part number and quantity to Winsun (HK) Electronics for availability, lead-time and quotation support.

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Photo Mfr. Part # Availability Price Quantity Datasheet Series Package/Case Packaging Product Status Function Output Configuration Topology Output Type Number of Outputs Voltage - Input (Min) Voltage - Input (Max) Voltage - Output (Min/Fixed) Voltage - Output (Max) Current - Output Frequency - Switching Synchronous Rectifier Operating Temperature Grade Qualification Mounting Type Supplier Device Package
ISL9109IRZ-T Renesas Electronics Corporation

ISL9109IRZ-T

IC REG BUCK ADJ 1.5A 8DFN

Renesas Electronics Corporation

3,058 -
Datasheet - 8-VFDFN Exposed Pad Tape & Reel (TR) Obsolete Step-Down Positive Buck Adjustable 1 2.7V 5.5V 0.8V 5.5V 1.5A 1.6MHz Yes -40°C ~ 85°C (TA) - - Surface Mount 8-DFN (2x3)
IR3800AMTRPBF Infineon Technologies

IR3800AMTRPBF

IC REG BUCK ADJ 14A PQFN

Infineon Technologies

2,347 -
Datasheet SupIRBuck® 15-PowerVQFN Tape & Reel (TR) Obsolete Step-Down Positive Buck Adjustable 1 2.5V 21V 0.6V 12V 14A 300kHz Yes -40°C ~ 125°C (TJ) - - Surface Mount PQFN (5x6)
IR3802MTRPBF Infineon Technologies

IR3802MTRPBF

IC REG BUCK ADJ 4A PQFN

Infineon Technologies

1,561 -
Datasheet SupIRBuck® 15-PowerVQFN Tape & Reel (TR) Obsolete Step-Down Positive Buck Adjustable 1 2.5V 21V 0.6V 12V 4A 600kHz Yes -40°C ~ 125°C (TJ) - - Surface Mount PQFN (5x6)
IR3802AMTRPBF Infineon Technologies

IR3802AMTRPBF

IC REG BUCK ADJ 6A PQFN

Infineon Technologies

3,767 -
Datasheet SupIRBuck® 15-PowerVQFN Tape & Reel (TR) Obsolete Step-Down Positive Buck Adjustable 1 2.5V 21V 0.6V 12V 6A 300kHz Yes -40°C ~ 125°C (TJ) - - Surface Mount PQFN (5x6)
FAN8301MX onsemi

FAN8301MX

IC REG BUCK ADJ 2A 8SOIC

onsemi

1,151 -
Datasheet - 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Step-Down Positive Buck Adjustable 1 4.75V 16V 0.6V 14V 2A 370kHz No -40°C ~ 85°C (TA) - - Surface Mount 8-SOIC
TB7102F(TE85L,F) Toshiba Semiconductor and Storage

TB7102F(TE85L,F)

IC REG BUCK ADJ 1A PS-8

Toshiba Semiconductor and Storage

1,453 -
Datasheet - 8-SMD, Flat Leads Tape & Reel (TR) Obsolete Step-Down Positive Buck Adjustable 1 2.7V 5.5V 0.8V 4.5V 1A 1MHz Yes -40°C ~ 125°C (TJ) - - Surface Mount PS-8 (2.9x2.4)
FAN8303MX onsemi

FAN8303MX

IC REG BUCK ADJ 2A 8SOIC

onsemi

2,812 -
Datasheet - 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Step-Down Positive Buck Adjustable 1 5V 23V 0.6V 20V 2A 370kHz No -40°C ~ 85°C (TA) - - Surface Mount 8-SOIC
LM3218SEE/NOPB Texas Instruments

LM3218SEE/NOPB

IC REG BUCK ADJ 650MA 8POS

Texas Instruments

4,704 -
Datasheet - 8-SMD Module Tape & Reel (TR) Obsolete Step-Down Positive Buck Adjustable 1 2.7V 5.5V 0.8V 3.6V 650mA 2MHz Yes -30°C ~ 85°C (TA) - - Surface Mount 8-POS (3.0x2.5)
LM2596TADJG onsemi

LM2596TADJG

IC REG BUCK BOOST ADJ 3A TO220-5

onsemi

2,083 -
Datasheet - TO-220-5 Tube Obsolete Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Buck, Boost, Buck-Boost Adjustable 1 4.5V 40V 1.23V 37V 3A 150kHz No -40°C ~ 125°C (TJ) - - Through Hole TO-220-5
NCP1546DG onsemi

NCP1546DG

IC REG BUCK ADJ 1.5A 8SOIC

onsemi

3,303 -
Datasheet - 8-SOIC (0.154", 3.90mm Width) Tube Obsolete Step-Down Positive Buck Adjustable 1 4V 40V 0.32V 38V 1.5A 170kHz No 0°C ~ 150°C (TJ) - - Surface Mount 8-SOIC
NCP1547DR2G onsemi

NCP1547DR2G

IC REG BUCK ADJ 1.5A 8SOIC

onsemi

1,267 -
Datasheet - 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Step-Down Positive Buck Adjustable 1 4V 40V 0.32V 38V 1.5A 340kHz No -40°C ~ 150°C (TJ) - - Surface Mount 8-SOIC
NCV2575D2T-5G onsemi

NCV2575D2T-5G

IC REG BUCK 5V 1A D2PAK-5

onsemi

3,428 -
Datasheet - TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tube Obsolete Step-Down Positive Buck Fixed 1 4.75V 40V 5V - 1A 52kHz No -40°C ~ 125°C (TJ) - - Surface Mount D2PAK-5
NCV2575D2T-ADJG onsemi

NCV2575D2T-ADJG

IC REG BUCK ADJ 1A D2PAK-5

onsemi

4,340 -
Datasheet - TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tube Obsolete Step-Down Positive Buck Adjustable 1 4.75V 40V 1.23V 37V 1A 52kHz No -40°C ~ 125°C (TJ) - - Surface Mount D2PAK-5
NCV8843DR2G onsemi

NCV8843DR2G

IC REG BUCK ADJ 1.5A 8SOIC

onsemi

2,414 -
Datasheet - 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Step-Down Positive Buck Adjustable 1 4V 40V 1.27V 38V 1.5A 340kHz No -40°C ~ 150°C (TJ) Automotive - Surface Mount 8-SOIC
IR3840MTR1PBF Infineon Technologies

IR3840MTR1PBF

IC REG BUCK ADJ 12A PQFN

Infineon Technologies

2,052 -
Datasheet SupIRBuck® 15-PowerVQFN Tape & Reel (TR) Obsolete Step-Down Positive Buck Adjustable 1 1.5V 16V 0.7V 14.4V 12A 225kHz ~ 1.65MHz Yes -40°C ~ 125°C (TJ) - - Surface Mount PQFN (5x6)
IR3841MTR1PBF Infineon Technologies

IR3841MTR1PBF

IC REG BUCK ADJ 8A PQFN

Infineon Technologies

2,020 -
Datasheet SupIRBuck® 15-PowerVQFN Tape & Reel (TR) Obsolete Step-Down Positive Buck Adjustable 1 1.5V 16V 0.7V 14.4V 8A 225kHz ~ 1.65MHz Yes -40°C ~ 125°C (TJ) - - Surface Mount PQFN (5x6)
IR3842MTR1PBF Infineon Technologies

IR3842MTR1PBF

IC REG BUCK ADJ 4A PQFN

Infineon Technologies

2,944 -
Datasheet SupIRBuck® 15-PowerVQFN Tape & Reel (TR) Obsolete Step-Down Positive Buck Adjustable 1 1.5V 16V 0.7V 14.4V 4A 225kHz ~ 1.65MHz Yes -40°C ~ 125°C (TJ) - - Surface Mount PQFN (5x6)
IR3842MTRPBF Infineon Technologies

IR3842MTRPBF

IC REG BUCK ADJ 4A PQFN

Infineon Technologies

3,660 -
Datasheet SupIRBuck® 15-PowerVQFN Tape & Reel (TR) Obsolete Step-Down Positive Buck Adjustable 1 1.5V 16V 0.7V 14.4V 4A 225kHz ~ 1.65MHz Yes -40°C ~ 125°C (TJ) - - Surface Mount PQFN (5x6)
IR3840MTRPBF Infineon Technologies

IR3840MTRPBF

IC REG BUCK ADJ 12A PQFN

Infineon Technologies

4,467 -
Datasheet SupIRBuck® 15-PowerVQFN Tape & Reel (TR) Obsolete Step-Down Positive Buck Adjustable 1 1.5V 16V 0.7V 14.4V 12A 225kHz ~ 1.65MHz Yes -40°C ~ 125°C (TJ) - - Surface Mount PQFN (5x6)
FAN2108EMPX onsemi

FAN2108EMPX

IC REG BUCK ADJ 8A 25MLP

onsemi

2,355 -
Datasheet TinyBuck® 25-WQFN Exposed Pad Tape & Reel (TR) Obsolete Step-Down Positive Buck Adjustable 1 3V 24V 0.8V 19.2V 8A 300kHz ~ 600kHz Yes -40°C ~ 85°C (TA) - - Surface Mount 25-MLP (6x5)
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FREQUENTLY ASKED QUESTIONS

Voltage Regulators - DC DC Switching Regulators FAQ

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What should I check when selecting Voltage Regulators - DC DC Switching Regulators components?

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

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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.

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

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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.