| Photo | Mfr. Part # | Availability | Quantity | Datasheet | RoHs | 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 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|   | L5991AD13TRIC REG CTRLR FLYBACK 16SOIC STMicroelectronics | 1,921 |  |   Datasheet |  | - | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback | 1 | 1 | 7.6V ~ 20V | Up to 1MHz | 93% | Yes | No | - | Current Limit, Frequency Control, Soft Start | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 16-SO | 
|   | A7987TR61 V 3A ASYNCHRONOUS STEP-DOWN S STMicroelectronics | 2,459 |  |   Datasheet |  | - | 16-PowerTSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck-Boost | 1 | 1 | 4.5V ~ 61V | 250kHz ~ 1.5MHz | 100% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 150°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 16-HTSSOP | 
|   | TSM108IDIC REG CTRLR BUCK 14SOIC STMicroelectronics | 2,399 |  |   Datasheet |  | - | 14-SOIC (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 9V ~ 32V | 100kHz | 95% | No | No | - | Enable, Frequency Control | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 14-SO | 
|   | A6727TRIC REG CTRLR BUCK 8SOIC STMicroelectronics | 1,727 |  |   Datasheet |  | - | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.1V ~ 13.2V | 300kHz | 80% | Yes | No | - | Enable, Phase Control | -40°C ~ 150°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 8-SOIC | 
|   | SRK1004DTRSYNCHRONOUS RECTIFIER CONTROLLER STMicroelectronics | 2,829 |  |   Datasheet |  | - | 6-WDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Flyback | 1 | 1 | 4V ~ 36V | Up to 500kHz | - | Yes | No | - | - | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 6-DFN (2x2) | 
|   | SRK1004CTRSYNCHRONOUS RECTIFIER CONTROLLER STMicroelectronics | 2,497 |  |   Datasheet |  | - | 6-WDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Flyback | 1 | 1 | 4V ~ 36V | Up to 500kHz | - | Yes | No | - | - | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 6-DFN (2x2) | 
|   | SRK1004BTRSYNCHRONOUS RECTIFIER CONTROLLER STMicroelectronics | 2,919 |  |   Datasheet |  | - | 6-WDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Flyback | 1 | 1 | 4V ~ 36V | Up to 500kHz | - | Yes | No | - | - | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 6-DFN (2x2) | 
|   | SRK1004ATRSYNCHRONOUS RECTIFIER CONTROLLER STMicroelectronics | 2,181 |  |   Datasheet |  | - | 6-WDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Flyback | 1 | 1 | 4V ~ 36V | Up to 500kHz | - | Yes | No | - | - | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 6-DFN (2x2) | 
|   | L5991ADIC REG CTRLR FLYBACK 16SO STMicroelectronics | 2,371 |  |   Datasheet |  | - | 16-SOIC (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback | 1 | 1 | 7.6V ~ 20V | Up to 1MHz | 93% | Yes | No | - | Current Limit, Frequency Control, Soft Start | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 16-SO | 
|   | L6728ATRIC REG CTRLR BUCK 10-VFQFPN STMicroelectronics | 2,630 |  |   Datasheet |  | - | 10-VFDFN Exposed Pad | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 5V ~ 12V | 600kHz | 67% | Yes | No | - | Enable, Phase Control, Power Good | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 10-DFN (3x3) |