| Base Part Number | Switch Current | Output Min | Output Max | Output Range | Input Min Voltage | Input Max Voltage | Frequency Min | Frequency Max | Efficiency (peak) | Sync Pin | Adj Switch Frequency | On/Off Pin | Error Flag | SoftStart | Special Features | PWM Mode | Topology | Step-Up | Inverting | Flyback | RegType | Adjustable Output | Output Power | Temperature Min | Temperature Max | Feedback Voltage | AEC Q-100 Automotive Grade | Automotive Selection Guide | PowerWise |
| LM3668 | 1000| 1 | 3| 2.8 | 5| 3.3 | | 2.8/3.3 | 2.5 | 5.5 | 1600 | 2700 | 93 | Yes | Yes| No | Yes | No | Yes | Buck-Boost| Aut | | Auto PFM-PWM & Forced PWM | | Buck-Boost| Voltage Mode | | Yes | Switching Regulator| LDO | | Yes| No | | -40 | | 85 | | null | Undefined | | null | Yes| null | |||
| LM78S40 | 1.5 | 1.245 | Undefined | 1.245V min | 2.5 | 40 | 0.1 | 100 | - | No | Yes | No | No | No | Integrated 1.5A diode, uncommitted op amp | Voltage | Buck, Boost, Flyback, Inverting | Yes | Yes | Yes | Switching Regulator | Yes | -| Undefined | -55 | 125 | 1.245 | Undefined | | null | | null |
| LM5015 | 1.2 | Undefined | Undefined | Undefined | 4.25 | 75 | 25 | 750 | 87 | Yes | Yes | Yes | No | Yes | Current Mode | Two-Switch Forward | Yes | Yes | Yes | Switching Regulator | Yes | Undefined | -40 | 125 | |||||
| LM5001 | 1 | Undefined | Undefined | Undefined | 3.1 | 75 | 50 | 1500 | 96 | Yes | Yes | Yes | No | No | Current Mode | Boost, Flyback, Forward, SEPIC | Yes | No | Yes | Switching Regulator | Yes | Undefined | -40 | 125 | 1.26 | Yes | |||
| LM2611 | 0.9| 1.2 | -1.23 | Undefined | -1.23V to -(36-Vinmax)V | 2.7 | 14 | 1400 | 1400 | 80 | No | No | Yes | No | No | CUK | Inverting | No | Yes | No | Switching Regulator | Yes | 2 | -40 | 125 | |||||
| LM2578A | 0.75 | Undefined | 2 | 40 | 1 | 100 | Undefined | No | Yes | No | No | No | FB and NFB pins | Voltage | Buck, Boost, Flyback, Inverting | Yes | Yes | Yes | Switching Controller | Yes | -40 | 125 | 1 | Undefined | |||||
| LM3578A | 0.75 | 1 | Undefined | Undefined | Undefined | 40 | 1 | 100 | - | No | Yes | No | No | No | FB and NFB pins | Voltage | Buck, Boost, Flyback, Inverting | Yes | Yes | Yes | Switching Regulator | Yes | Undefined | 0 | 125 | 1 | Undefined | ||
| LM5002 | 0.5 | Undefined | Undefined | Undefined | 3.1 | 75 | 50 | 1500 | 95 | Yes | Yes | Yes | No | No | Current Mode | Boost, Flyback, Forward, SEPIC | Yes | No | Yes | Switching Regulator | Yes | Undefined | -40 | 125 | 1.26 | Yes |
Buck-Boost Switched Capacitor Regulators（4）
| Base Part Number | Output Current | Output Min | Output Max | Input Min Voltage | Input Max Voltage | Frequency Max | Efficiency (peak) | Adjustable Output | Frequency Min | Adj Switch Frequency | On/Off Pin | Quiescent Current | Special Features | PWM Mode | Topology | Step-Down | Step-Up | Inverting | RegType | Temperature Min | Temperature Max | PowerWise |
| LM2758 | 700 | 2.7 | 5.3 | 2.7 | 5.5 | 1500 | 90 | Yes | 800 | No | Yes | 0.7 | Flash LED Driver | Charge pump | No | Yes | No | Switched Cap Regulator | -40 | 85 | Yes | |
| LM3352 | 200 | 3.0| 2.5| 3.3 | 3.0| 2.5| 3.3 | 2.5 | 5.5 | 1000 | 80 | No | 1000 | No | Yes | 0.4 | Auto buck/boost multi-gain architecture | Multi-gain Switched Capacitor | Boost, Buck | Yes | Yes | No | Switched Cap Regulator | -40 | 85 | |
| LM3354 | 90 | 5.0| 4.1| 1.8| 3.3 | 5.0| 4.1| 1.8| 3.3 | 2.5 | 5.5 | 1000 | 75 | No | 1000 | No | Yes | 0.375 | Auto buck/boost multi-gain architecture | Multi-gain Switched Capacitor | Boost, Buck | Yes | Yes | No | Switched Cap Regulator | -40 | 85 | |
| LM3355 | 50 | 4.1 | 4.1 | 2.5 | 5.5 | 1000 | 75 | No | 1000 | No | Yes | 0.375 | Auto buck/boost multi-gain architecture | Multi-gain Switched Capacitor | Boost, Buck | Yes | Yes | No | Switched Cap Regulator | -40 | 85 |
Buck-Boost Switching Controllers（9）
| Base Part Number | Input Max Voltage | Input Min Voltage | Adjustable Output | Feedback Voltage | Output Range | Frequency Min | Frequency Max | Efficiency (peak) | Adj Switch Frequency | Sync Pin | On/Off Pin | SoftStart | Error Flag | Special Features | Output Power | Topology | Output Max | Output Min | AEC Q-100 Automotive Grade | Output Current | Step-Down | Step-Up | Inverting | Flyback | RegType | Multiple Output Capability | Temperature Min | Temperature Max | PowerWise |
| LM5020 | 100 | 13 | Yes | 1.25 | Undefined | 50 | 1000 | 85 | Yes | Yes | Yes | Yes | No | 80% and 50% duty cycle limit (-2 and -1 versions), Programmable UVLO, error amplifier for non-isolated designs, leading-edge blanking, high current gate drive | 300 | Flyback, Inverting, Buck, Boost, Forward | Undefined | 1.25 | - | Yes | Yes | Yes | Yes | Switching Controller | Yes | -40 | 125 | Yes | |
| LM5118 | 75 | 3 | Yes | 1.23 | 1.23V-70V | 50 | 500 | 95 | Yes | Yes | Yes | Yes | No | soft mode transition | Undefined | buck-boost | 70 | 1.23 | Undefined | Yes | Yes | No | No | Switching Controller | No | -40 | 125 | Yes | |
| LM5022 | 60 | 6 | Yes | 1.25 | 50 | 2000 | 90 | Yes | Yes | Yes | Yes| null | No | Boost, Sepic | No | Yes | No | No | Switching Controller | No | -40 | 125 | Yes | |||||||
| LM3481 | 48 | 2.97 | Yes | 1.275 | 1.275V min | 100 | 1000 | Undefined | Yes | Yes | Yes | Yes | No | Adjustable UVLO | Undefined | Boost, SEPIC, Flyback | Undefined | No | Yes | No | Yes | Switching Controller | Yes | -40 | 125 | ||||
| LM2524D | 40 | 5 | Yes | Undefined | - | 0.001 | 550 | - | Yes | Yes | Yes | Yes | No | Dual bipolar (C, E) outputs | - | Buck, Boost, Flyback, Push-pull | 200 | Yes | Yes | Yes | Yes | Switching Regulator | Yes | -40 | 125 | ||||
| LM3478 | 40 | 2.95 | Yes | 1.26 | 1.26V min | 100 | 1000 | - | Yes | Yes | Yes | Yes | No | - | Boost, Sepic, Flyback | 1.26 | Undefined | - | No | Yes | No | Yes | Switching Controller | Yes | -40 | 125 | |||
| LM3488 | 40 | 2.95 | Yes | 1.26 | 1.26V min | 100 | 1000 | - | Yes | Yes | Yes | Yes | No | - | Boost, Sepic, Flyback | Undefined | - | No | Yes | No | Yes | Switching Regulator | Yes | -40 | 125 | ||||
| LM3578A | 40 | Undefined | Yes | 1 | Undefined | 1 | 100 | - | Yes | No | No | No | No | FB and NFB pins | Undefined | Buck, Boost, Flyback, Inverting | Undefined | 1 | Undefined | 750 | Yes | Yes | Yes | Yes | Switching Regulator | No | 0 | 125 | |
| LM5021 | 30 | 8 | Yes | Undefined | set by external feedback network | 50 | 1000 | Undefined | Yes | Yes | Yes | Yes | No | For offline (AC-DC) applications, direct opto-coupler interface | Undefined | Flyback, Forward | Undefined | Yes | Yes | Yes | Yes | Switching Controller | Yes | -40 | 125 |
