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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.

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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
R1242S001D-E2-FE Nisshinbo Micro Devices Inc.

R1242S001D-E2-FE

IC REG BUCK ADJ 3A 8HSOP

Nisshinbo Micro Devices Inc.

2,641 -
Datasheet R1242S 8-SOIC (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Buck Adjustable 1 5V 30V 0.8V 15V 3A 330kHz Yes -40°C ~ 85°C (TA) - - Surface Mount 8-HSOP-E
R1242S001E-E2-FE Nisshinbo Micro Devices Inc.

R1242S001E-E2-FE

IC REG BUCK ADJ 3A 8HSOP

Nisshinbo Micro Devices Inc.

3,250 -
Datasheet R1242S 8-SOIC (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Buck Adjustable 1 5V 30V 0.8V 15V 3A 500kHz Yes -40°C ~ 85°C (TA) - - Surface Mount 8-HSOP-E
R1242S001F-E2-FE Nisshinbo Micro Devices Inc.

R1242S001F-E2-FE

IC REG BUCK ADJ 3A 8HSOP

Nisshinbo Micro Devices Inc.

3,329 -
Datasheet R1242S 8-SOIC (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Buck Adjustable 1 5V 30V 0.8V 15V 3A 500kHz Yes -40°C ~ 85°C (TA) - - Surface Mount 8-HSOP-E
R1242S001G-E2-FE Nisshinbo Micro Devices Inc.

R1242S001G-E2-FE

IC REG BUCK ADJ 3A 8HSOP

Nisshinbo Micro Devices Inc.

1,897 -
Datasheet R1242S 8-SOIC (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Buck Adjustable 1 5V 30V 0.8V 15V 3A 1MHz Yes -40°C ~ 85°C (TA) - - Surface Mount 8-HSOP-E
R1242S001H-E2-FE Nisshinbo Micro Devices Inc.

R1242S001H-E2-FE

IC REG BUCK ADJ 3A 8HSOP

Nisshinbo Micro Devices Inc.

2,499 -
Datasheet R1242S 8-SOIC (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Buck Adjustable 1 5V 30V 0.8V 15V 3A 1MHz Yes -40°C ~ 85°C (TA) - - Surface Mount 8-HSOP-E
TPS54339EDDA Texas Instruments

TPS54339EDDA

IC REG BUCK ADJ 3A 8SOPWR

Texas Instruments

1,805 -
Datasheet SWIFT™, D-CAP2™, Eco-Mode™ 8-PowerSOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Buck Adjustable 1 4.5V 23V 0.76V 7V 3A 600kHz Yes -40°C ~ 85°C (TA) - - Surface Mount 8-SO PowerPad
LM2733YMFX Texas Instruments

LM2733YMFX

IC REG BOOST ADJ 1A SOT23-5

Texas Instruments

4,527 -
Datasheet - SC-74A, SOT-753 Tape & Reel (TR) Obsolete Step-Up Positive Boost Adjustable 1 2.7V 14V 2.7V 40V (Switch) 1A (Switch) 600kHz No -40°C ~ 125°C (TJ) - - Surface Mount SOT-23-5
LM2736YMKX Texas Instruments

LM2736YMKX

IC REG BUCK ADJ 750MA SOT23

Texas Instruments

4,220 -
Datasheet - SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Obsolete Step-Down Positive Buck Adjustable 1 3V 18V 1.25V 16V 750mA 550kHz No -40°C ~ 125°C (TJ) - - Surface Mount SOT-23-THIN
ST1S06PU12R STMicroelectronics

ST1S06PU12R

IC REG BUCK 1.2V 1.5A 6DFN

STMicroelectronics

1,172 -
Datasheet - 6-VDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Buck Fixed 1 2.7V 6V 1.2V - 1.5A 1.5MHz Yes -30°C ~ 85°C (TJ) - - Surface Mount 6-DFN (3x3)
MIC23051-C4YML-TR Microchip Technology

MIC23051-C4YML-TR

IC REG BUCK 1.2V 600MA 8MLF

Microchip Technology

2,518 -
Datasheet HyperLight Load® 8-VFDFN Exposed Pad, 8-MLF® Tape & Reel (TR) Active Step-Down Positive Buck Fixed 1 2.7V 5.5V 1.2V - 600mA 4MHz Yes -40°C ~ 125°C (TJ) - - Surface Mount 8-MLF® (2x2)
TPS62273DRVR Texas Instruments

TPS62273DRVR

IC REG BUCK PROG 400MA 6WSON

Texas Instruments

2,933 -
Datasheet - 6-WDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Buck Programmable 1 2V 6V 2.5V, 3.3V - 400mA 2.25MHz Yes -40°C ~ 85°C (TA) - - Surface Mount 6-WSON (2x2)
LM828M5X Texas Instruments

LM828M5X

IC REG CHARGE PUMP INV SOT23-5

Texas Instruments

2,110 -
Datasheet - SC-74A, SOT-753 Tape & Reel (TR) Obsolete Ratiometric Positive or Negative Charge Pump Fixed 1 1.8V 5.5V -Vin, 2Vin - 25mA 12kHz No -40°C ~ 85°C (TJ) - - Surface Mount SOT-23-5
FAN4860UC33X onsemi

FAN4860UC33X

IC REG BOOST 3.3V 650MA 6WLCSP

onsemi

4,753 -
Datasheet TinyBoost® 6-UFBGA, WLCSP Tape & Reel (TR) Obsolete Step-Up Positive Boost Fixed 1 2.3V 3.2V 3.3V - 650mA (Switch) 3MHz Yes -40°C ~ 85°C (TA) - - Surface Mount 6-WLCSP (1.23x0.88)
ISL9110IRT7Z-T Renesas Electronics Corporation

ISL9110IRT7Z-T

IC REG BUCK BOOST 1.2A 12TDFN

Renesas Electronics Corporation

4,437 -
Datasheet * - Tape & Reel (TR) Active - - - - - - - - - - - - - - - - -
ISL9110IRTAZ-T Renesas Electronics Corporation

ISL9110IRTAZ-T

IC BUCK BOOST ADJ 1.2A 12TDFN

Renesas Electronics Corporation

2,925 -
Datasheet * - Tape & Reel (TR) Active - - - - - - - - - - - - - - - - -
ISL9110IRTNZ-T Renesas Electronics Corporation

ISL9110IRTNZ-T

IC REG BUCK BOOST 1.2A 12TDFN

Renesas Electronics Corporation

4,312 -
Datasheet * - Tape & Reel (TR) Active - - - - - - - - - - - - - - - - -
ISL9110BIRTAZ-T Renesas Electronics Corporation

ISL9110BIRTAZ-T

IC REG BUCK BST SYNC ADJ 12TDFN

Renesas Electronics Corporation

3,789 -
Datasheet * 12-WFDFN Exposed Pad Tape & Reel (TR) Active - - - - - - - - - - - - - - - Surface Mount 12-TDFN (3x3)
ISL91107IRTAZ-T Renesas Electronics Corporation

ISL91107IRTAZ-T

IC REG BUCK BOOST ADJ 2A 20TQFN

Renesas Electronics Corporation

1,009 -
Datasheet - 20-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Up/Step-Down Positive Buck-Boost Adjustable 1 1.8V 5.5V 1V 5.2V 2A 2.5MHz Yes -40°C ~ 85°C (TA) - - Surface Mount 20-TQFN (3x4)
ISL91107IRTNZ-T Renesas Electronics Corporation

ISL91107IRTNZ-T

IC REG BUCK BOOST 3.3V 2A 20TQFN

Renesas Electronics Corporation

4,676 -
Datasheet - 20-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Up/Step-Down Positive Buck-Boost Fixed 1 1.8V 5.5V 3.3V - 2A 2.5MHz Yes -40°C ~ 85°C (TA) - - Surface Mount 20-TQFN (3x4)
ISL8026AFRTAJZ-T Renesas Electronics Corporation

ISL8026AFRTAJZ-T

IC REG BUCK ADJ 6A 16TQFN

Renesas Electronics Corporation

3,354 -
Datasheet - 16-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Buck Adjustable 1 2.5V 5.5V 0.6V 5.5V 6A 1MHz ~ 4MHz Yes -40°C ~ 125°C (TA) - - Surface Mount 16-TQFN (3x3)
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Voltage Regulators - DC DC Switching Regulators FAQ

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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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