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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
UC2856DWUC2856 IMPROVED CURRENT MODE PWM |
90 | - |
|
Datasheet |
- | 16-SOIC (0.295", 7.50mm Width) | Bulk | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 7V ~ 40V | 200kHz | 47% | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOIC |
|
UCC35702PWUCC35702 ADVANCED VOLTAGE MODE P |
90 | - |
|
Datasheet |
- | 14-TSSOP (0.173", 4.40mm Width) | Bulk | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback, Forward Converter | 1 | 1 | 8.8V ~ 15V | 100kHz | 99% | No | Yes | - | Current Limit, Frequency Control, Sequencing, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 14-TSSOP |
|
UCC25702NUCC25702 ADVANCED VOLTAGE MODE P |
50 | - |
|
Datasheet |
- | 14-DIP (0.300", 7.62mm) | Bulk | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback, Forward Converter | 1 | 1 | 8.8V ~ 15V | 100kHz | 99% | No | Yes | - | Current Limit, Frequency Control, Sequencing, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 14-PDIP |
|
LTC1702CGNLTC1702 - TRANSISTOR DRIVER STEP |
55 | - |
|
Datasheet |
- | 24-SSOP (0.154", 3.90mm Width) | Bulk | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 3V ~ 7V | 550kHz | 90% | Yes | No | - | Current Limit, Enable, Power Good, Soft Start | 0°C ~ 70°C | - | - | Surface Mount | 24-SSOP |
|
LTC3727LXEUH-1#PBFHIGH EFFICIENCY, 2-PHASE SYNCHRO |
65 | - |
|
Datasheet |
- | 32-WFQFN Exposed Pad | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4V ~ 28V | 255kHz ~ 530kHz | 99.4% | Yes | No | - | Enable, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 32-QFN (5x5) |
|
LTC3828EG#PBFLTC3828 - DUAL, 2-PHASE CONTROLL |
47 | - |
|
Datasheet |
- | 28-SSOP (0.209", 5.30mm Width) | Bulk | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 28V | 260kHz ~ 550kHz | 99.4% | Yes | Yes | - | Current Limit, Dead Time Control, Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 85°C | - | - | Surface Mount | 28-SSOP |
|
|
LTC3728LEUH-1#PBFDUAL, 550KHZ, 2-PHASE SYNCHRONOU |
73 | - |
|
Datasheet |
- | 32-WFQFN Exposed Pad | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 28V | 260kHz ~ 550kHz | 99.4% | Yes | No | - | Enable, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 32-QFN (5x5) |
|
LTC3728EG#PBFLTC3728 - DUAL, 550KHZ, 2-PHASE |
94 | - |
|
Datasheet |
- | 28-SSOP (0.209", 5.30mm Width) | Bulk | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 3.5V ~ 30V | 260kHz ~ 550kHz | 99.4% | Yes | No | - | Current Limit, Dead Time Control, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 85°C | - | - | Surface Mount | 28-SSOP |
|
LTC3728LIGN#PBFLTC3728 - 550KHZ, DUAL, 2 PHASE |
98 | - |
|
Datasheet |
- | 28-SSOP (0.154", 3.90mm Width) | Bulk | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 28V | 260kHz ~ 550kHz | 99.4% | Yes | No | - | Current Limit, Dead Time Control, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 85°C | - | - | Surface Mount | 28-SSOP |
|
LTC1735IF#PBFHIGH EFFICIENCY SYNCHRONOUS STEP |
68 | - |
|
Datasheet |
- | 20-TSSOP (0.173", 4.40mm Width) | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 30V | 300kHz | 99.4% | Yes | No | - | Enable, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 20-TSSOP |
|
LTC1702ACGN#PBFDUAL 550KHZ SYNCHRONOUS 2-PHASE |
70 | - |
|
Datasheet |
- | 24-SSOP (0.154", 3.90mm Width) | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 3V ~ 7V | 550kHz | 90% | Yes | No | - | Current Limit, Enable, Power Good, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 24-SSOP |
|
UC2526AJUC2526AM REGULATING PULSE WIDTH |
99 | - |
|
Datasheet |
- | 18-CDIP (0.300", 7.62mm) | Bulk | 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, 8V ~ 35V | 1Hz ~ 400kHz | 49% | Yes | Yes | - | Enable, Frequency Control, Reset, Soft Start | -25°C ~ 85°C (TA) | - | - | Through Hole | 18-CDIP |
|
TL5001AMJGBTL5001A PWM CONTROLLER WITH WIDE |
85 | - |
|
Datasheet |
- | 8-CDIP (0.300", 7.62mm) | Bulk | Active | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive | Boost, Buck, Flyback | 1 | 1 | 3.6V ~ 40V | 20kHz ~ 500kHz | 1 | No | No | - | Dead Time Control, Frequency Control, Ramp, Soft Start | -55°C ~ 125°C (TA) | - | - | Through Hole | 8-CDIP |
|
LTC1438CG-ADJ#PBFLTC1438 - DUAL ADJ OUTPUT HI EFF |
94 | - |
|
Datasheet |
- | 28-SSOP (0.209", 5.30mm Width) | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 1 | 3.5V ~ 30V | Up to 400kHz | 99% | Yes | No | - | Enable, Power on Reset, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 28-SSOP |
|
LTC1629CG-PG#PBFPOLYPHASE, HIGH EFFICIENCY, SYNC |
47 | - |
|
Datasheet |
PolyPhase® | 28-SSOP (0.209", 5.30mm Width) | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4V ~ 36V | 220kHz | 99.5% | Yes | No | - | Enable, Phase Control, Power Good, Soft Start | 0°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
|
ZL6105ALAFTEMPSWITCHING CONTROLLER, VOLTAGE-MO |
50 | - |
|
- |
- | 36-VFQFN Exposed Pad | Tube | Not For New Designs | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 5V | 200kHz ~ 1.4MHz | 95% | Yes | Yes | I2C, PMBus, SMBus | Current Limit, Enable, Power Good, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 36-QFN (6x6) |
|
UC2823ADWUC2823A HIGH SPEED PWM CONTROLLE |
30 | - |
|
Datasheet |
- | 16-SOIC (0.295", 7.50mm Width) | Bulk | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull | 1 | 1 | 8.4V ~ 22V | 400kHz ~ 1MHz | 1 | No | No | - | Current Limit, Frequency Control, Ramp, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOIC |
|
UC3823ANUC3823A HIGH SPEED PWM CONTROLLE |
44 | - |
|
Datasheet |
- | 16-DIP (0.300", 7.62mm) | Bulk | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull | 1 | 1 | 8.4V ~ 22V | 400kHz ~ 1MHz | 100% | No | No | - | Current Limit, Frequency Control, Ramp, Soft Start | 0°C ~ 70°C (TA) | - | - | Through Hole | 16-PDIP |
|
LT3752MPFE-1#PBFACTIVE CLAMP SYNCHRONOUS FORWARD |
39 | - |
|
Datasheet |
- | 38-TFSOP (0.173", 4.40mm Width) 31 Leads, Exposed Pad | Bulk | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Forward Converter | 1 | 1 | 10.5V ~ 16V | 100kHz ~ 500kHz | 95% | Yes | Yes | - | Enable, Frequency Control, Soft Start | -55°C ~ 150°C (TJ) | - | - | Surface Mount | 38-TSSOP-EP |
|
5962-8951104EAUC1527A REGULATING PULSE WIDTH M |
78 | - |
|
Datasheet |
- | 16-CDIP (0.300", 7.62mm) | Bulk | Active | PWM | Step-Down, Step-Up/Step-Down | Positive and Negative | Boost, Flyback, Forward, Full-Bridge, Half-Bridge, Push-Pull | 2 | 2 | 4.5V ~ 35V | 100Hz ~ 500kHz | 49% | Yes | Yes | - | Dead Time Control, Enable, Frequency Control, Soft Start | -55°C ~ 125°C | - | - | Through Hole | 16-CDIP |
