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| Part Number | IR36021MTRPBF | IR3621MTRPBF | 
|---|---|---|
| Manufacturer | Infineon Technologies | Infineon Technologies | 
| Product Status | Obsolete | Obsolete | 
| Output Type | PWM Signal | Transistor Driver | 
| Function | Step-Down | Step-Down | 
| Output Configuration | Positive | Positive | 
| Topology | Buck | Buck | 
| Number of Outputs | 3 | 2 | 
| Output Phases | 2 | 2 | 
| Voltage - Supply (Vcc/Vdd) | 3.3V | 5.5V ~ 14.5V | 
| Frequency - Switching | 200kHz ~ 2MHz | 200kHz ~ 500kHz | 
| Duty Cycle (Max) | - | 86.5% | 
| Synchronous Rectifier | - | Yes | 
| Clock Sync | - | Yes | 
| Serial Interfaces | I²C, PMBus | - | 
| Control Features | Enable, Power Good | Frequency Control, Power Good, Soft Start | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 125°C (TJ) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 32-VFQFN Exposed Pad | 32-VFQFN Exposed Pad | 
| Supplier Device Package | 32-MLPQ (5x5) | 32-MLPQ (5x5) |