| Part Number | FDMF6821B | FDMF6823B |
|---|---|---|
| Manufacturer | Fairchild Semiconductor | Fairchild Semiconductor |
| Category | PMIC - Full, Half-Bridge Drivers | PMIC - Full, Half-Bridge Drivers |
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| Product Status | Active | Active |
| Output Configuration | Half Bridge | Half Bridge |
| Applications | Synchronous Buck Converters | Synchronous Buck Converters |
| Interface | Logic, PWM | Logic, PWM |
| Load Type | Inductive, Capacitive, Resistive | Inductive, Capacitive, Resistive |
| Technology | DrMOS, Power MOSFET | DrMOS, Power MOSFET |
| Rds On (Typ) | 1Ohm LS, 1Ohm HS | 1Ohm LS, 1Ohm HS |
| Current - Output / Channel | 55A | 55A |
| Current - Peak Output | 55A | 55A |
| Voltage - Supply | 4.5V ~ 5.5V | 4.5V ~ 5.5V |
| Voltage - Load | 4.5V ~ 5.5V | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) |
| Features | Bootstrap Circuit | Bootstrap Circuit |
| Fault Protection | Over Temperature, Shoot-Through, UVLO | Over Temperature, Shoot-Through, UVLO |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 40-TFQFN Exposed Pad | 40-TFQFN Exposed Pad |
| Supplier Device Package | 40-PQFN (6x6) | 40-PQFN (6x6) |