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0755-82798135DC DC Switching Controllers
DC DC Switching Controllers
DC-DC switching controllers are power management ICs used to control external power switches for efficient voltage conversion. They support buck, boost, buck-boost, flyback, and other switching topologies, and are commonly used in power supplies, industrial equipment, automotive electronics, communication systems, servers, battery-powered devices, and embedded applications.
TomatoElec is an independent electronic components distributor supplying DC-DC switching controller ICs from mainstream manufacturers such as Texas Instruments, Analog Devices, STMicroelectronics, onsemi, Infineon, Microchip, Renesas, NXP, Diodes Incorporated, and Monolithic Power Systems. Customers can check inventory, price, package, specifications, parameters and PDF datasheets in the product list below, and submit a BOM or RFQ for DC-DC switching controller sourcing 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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UC1525AJREGULATING PULSE WIDTH MODULATOR |
0 | - |
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- |
- | 16-CDIP (0.300", 7.62mm) | Tube | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 4.5V ~ 35V | 100Hz ~ 500kHz | 49% | Yes | Yes | - | Dead Time Control, Enable, Frequency Control, Soft Start | -55°C ~ 125°C | - | - | Through Hole | 16-CDIP |
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UC3526JREGULATING PULSE WIDTH MODULATOR |
0 | - |
|
- |
- | 18-CDIP (0.300", 7.62mm) | Tube | Active | Transistor Driver | Step-Up, Step-Down | Positive | Boost, Buck, Flyback, Forward, Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 7V ~ 35V | 1Hz ~ 400kHz | 49% | Yes | Yes | - | Enable, Frequency Control, Reset, Soft Start | 0°C ~ 70°C (TA) | - | - | Through Hole | 18-CDIP |
|
UC1526J883BREGULATING PULSE WIDTH MODULATOR |
0 | - |
|
- |
- | 18-CDIP (0.300", 7.62mm) | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive and Negative | Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 8V ~ 35V | 1Hz ~ 400kHz | 49% | Yes | Yes | - | Enable, Frequency Control, Reset, Soft Start | -55°C ~ 125°C (TA) | - | - | Through Hole | 18-CDIP |
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RAA228228R0VGNP#HA0IC DIGITAL CONTROLLER |
0 | - |
|
- |
- | - | Tape & Reel (TR) | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
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ISL68127IRAZ-TR5778IC REG CTRLR PMBUS 40TQFN |
0 | - |
|
- |
- | 48-VFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | PWM Signal | - | Positive | - | 7 | 7 | 3.135V ~ 3.465V | 200kHz ~ 1MHz | - | No | No | PMBus | Enable, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 48-QFN (6x6) |
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ZL8802ALAFTR5959IC REG CTRLR BUCK PMBUS 44QFN |
0 | - |
|
- |
- | 44-VFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | PWM Signal | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 14V | 200kHz ~ 1.33MHz | - | No | Yes | PMBus | Current Limit, Enable, Power Good, Tracking | -40°C ~ 85°C | - | - | Surface Mount | 44-QFN (7x7) |
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ISL95860HRTZ-TS2778IC CTLR MULTI-PH IMVP9 32TQFN |
0 | - |
|
- |
- | - | Tape & Reel (TR) | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
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ISL68225IRBZ-TR5977IC DIGITAL CONTROLLER |
0 | - |
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Datasheet |
- | 52-VFQFN Exposed Pad | Tape & Reel (TR) | Active | PWM Signal | Step-Down | Positive | Buck | 2 | 9 | 3.135V ~ 3.465V | 200kHz ~ 2MHz | - | No | Yes | PMBus, SMBus | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Power On Reset, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 52-QFN (6x6) |
|
RAA228228R0VGNP#HA1IC DIGITAL CONTROLLER |
0 | - |
|
Datasheet |
- | - | Tray | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
NCP81045MNTXGSINGLE SYNCHRONOUS STEP DOWN CON |
0 | - |
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Datasheet |
- | 16-VQFN Exposed Pad | Bulk | Discontinued at Digi-Key | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 27V | 300kHz | - | Yes | Yes | - | - | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-QFN (4x4) |
|
CS5303GDW28THREE-PHASE BUCK CONTROLLER WITH |
0 | - |
|
Datasheet |
- | 28-SOIC (0.295", 7.50mm Width) | Bulk | Discontinued at Digi-Key | Transistor Driver | Step-Down | Positive | Buck | 3 | 3 | 5V, 12V | 200kHz ~ 800kHz | - | No | No | - | Current Limit, Frequency Control, Soft Start | 150°C (TJ) | - | - | Surface Mount | 28-SOIC |
|
NCV33067DWR2GHIGH PERFORMANCE RESONANT MODE C |
0 | - |
|
Datasheet |
- | 16-SOIC (0.295", 7.50mm Width), 13 Leads | Bulk | Discontinued at Digi-Key | Transistor Driver | Step-Up/Step-Down | Positive | Half-Bridge, Push-Pull | 2 | 1 | 20V | 2.05MHz | - | No | No | - | Dead Time Control, Enable, Frequency Control, Reset, Soft Start | -40°C ~ 85°C (TA) | Automotive | AEC-Q100 | Surface Mount | 16-SOIC |
|
CS5422GDWF24DUAL OUT-OF-PHASE SYNCHRONOUS BU |
0 | - |
|
Datasheet |
- | 24-SOIC (0.295", 7.50mm Width) | Bulk | Discontinued at Digi-Key | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 7.8V ~ 16V | 150kHz ~ 600kHz | 100% | Yes | No | - | Frequency Control, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 24-SOIC |
|
FD6000MNTXGDIGITAL DCX INTERMEDIATE BUS CON |
0 | - |
|
Datasheet |
- | 32-VFQFN Exposed Pad | Bulk | Discontinued at Digi-Key | Transistor Driver | Step-Up/Step-Down | Positive | Full-Bridge, Half-Bridge | 1 | 1 | 3.1V ~ 5.5V | - | - | No | No | PMBus | - | - | - | - | Surface Mount | 32-QFN (5x5) |
|
CS5422GD16DUAL OUT-OF-PHASE SYNCHRONOUS BU |
0 | - |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Bulk | Discontinued at Digi-Key | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 7.8V ~ 16V | 150kHz ~ 600kHz | 100% | Yes | No | - | Frequency Control, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SOIC |
|
NCP1573DBUCK CONTROLLER |
0 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Bulk | Discontinued at Digi-Key | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 11.4V ~ 12.6V | 200kHz | 80% | Yes | No | - | - | 150°C (TJ) | - | - | Surface Mount | 8-SOIC |
|
NCP81044DR2GSYNCHRONOUS BUCK CONTROLLER, LOW |
0 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Bulk | Discontinued at Digi-Key | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 13.2V | 275kHz | 88% | Yes | No | - | Enable, Frequency Control, Phase Control, Ramp, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |
|
NCP1570DLOW VOLTAGE SYNCHRONOUS BUCK CON |
0 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Bulk | Discontinued at Digi-Key | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 12V | 200kHz | 80% | No | No | - | Enable, Frequency Control, Power Good, Ramp, Soft Start | 150°C (TJ) | - | - | Surface Mount | 8-SOIC |
|
NCP5322ADWR2GTWO-PHASE BUCK CONTROLLER WITH I |
0 | - |
|
Datasheet |
- | 28-SOIC (0.295", 7.50mm Width) | Bulk | Discontinued at Digi-Key | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 14V | 400kHz | - | Yes | No | - | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start | 150°C (TJ) | - | - | Surface Mount | 28-SOIC |
|
CS5323GDW20THREE-PHASE BUCK CONTROLLER WITH |
0 | - |
|
Datasheet |
- | 20-SOIC (0.295", 7.50mm Width) | Bulk | Discontinued at Digi-Key | PWM Signal | Step-Down | Positive | Buck | 3 | 3 | 4.4V ~ 16V | 200kHz ~ 800kHz | - | Yes | No | - | Current Limit, Frequency Control, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 20-SOIC |

