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| Part Number | NCP81232MNTXG | NCP81239MNTXG | NCP81233MNTXG | NCP81234MNTXG | NCP81231MNTXG |
|---|---|---|---|---|---|
| Manufacturer | onsemi | onsemi | onsemi | onsemi | onsemi |
| Product Status | Active | Not For New Designs | Active | Active | Not For New Designs |
| Output Type | PWM Signal | PWM Signal | PWM Signal | PWM Signal | Transistor Driver |
| Function | Step-Down | Step-Up, Step-Down | Step-Up, Step-Down | Step-Down | Step-Down |
| Output Configuration | Positive | Positive | Positive | Positive | Positive |
| Topology | Buck | Buck, Boost | Buck, Boost | Buck | Buck |
| Number of Outputs | 4 | 1 | 1 | 1 | 1 |
| Output Phases | 4 | 4 | 4 | 2 | 1 |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 20V | 4.5V ~ 28V | 4.5V ~ 20V | 0.6V ~ 5V | 4.5V ~ 28V |
| Frequency - Switching | 200kHz ~ 1.2MHz | 150kHz ~ 1.2MHz | 200kHz ~ 1.2MHz | 200kHz ~ 1.2MHz | 150kHz ~ 1.2MHz |
| Duty Cycle (Max) | - | - | - | - | 100% |
| Synchronous Rectifier | No | - | - | Yes | Yes |
| Clock Sync | No | Yes | Yes | - | No |
| Serial Interfaces | - | I²C | I²C | - | I²C |
| Control Features | Current Limit, Enable, Frequency Control, Power Good, Soft Start | Current Limit, Enable, Frequency Control, On Time Control, Ramp, Soft Start | Current Limit, Enable, Frequency Control, On Time Control, Ramp, Soft Start | Current Limit, Enable, Frequency Control, Power Good | Current Limit, Enable |
| Operating Temperature | -40°C ~ 100°C (TA) | -40°C ~ 100°C (TA) | -40°C ~ 100°C (TA) | -40°C ~ 125°C (TA) | -40°C ~ 100°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 40-VFQFN Exposed Pad | 32-VFQFN Exposed Pad | 52-VFQFN Exposed Pad | 28-VFQFN Exposed Pad | 32-VFQFN Exposed Pad |
| Supplier Device Package | 40-QFN (5x5) | 32-QFN (5x5) | 52-QFN (6x6) | 28-QFN (5x5) | 32-QFN (5x5) |
