 | |  | |
| PartNumber | NB639DL-LF-P | NB639DL-LF-Z | NB639DL |
| Description | Switching Voltage Regulators 8A 28V COT Sync Buck ext Vcc | Switching Voltage Regulators 8A 28V COT Sync Buck ext Vcc | |
| Manufacturer | Monolithic Power Systems (MPS) | Monolithic Power Systems (MPS) | Monolithic Power Systems Inc. |
| Product Category | Switching Voltage Regulators | Switching Voltage Regulators | PMIC - Voltage Regulators - DC DC Switching Regulators |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | QFN-20 | QFN-20 | - |
| Output Voltage | 800 mV to 13 V | 800 mV to 13 V | 800 mV to 13 V |
| Output Current | 8 A | 8 A | 8 A |
| Number of Outputs | 1 Output | 1 Output | 1 |
| Input Voltage MAX | 28 V | 28 V | 28 V |
| Topology | Buck | Buck | Buck |
| Input Voltage MIN | 4.5 V | 4.5 V | 4.5 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 125 C | + 125 C | + 125 C |
| Series | NB639 | NB639 | NB639 |
| Packaging | Reel | Reel | Tape & Reel (TR) Alternate Packaging |
| Operating Temperature Range | - 40 C to + 125 C | - | - 40 C to + 125 C |
| Product | Voltage Regulators | Voltage Regulators | - |
| Type | Synchronous Step-Down Converter | Synchronous Step-Down Converter | Step Down Converter |
| Brand | Monolithic Power Systems (MPS) | Monolithic Power Systems (MPS) | - |
| Product Type | Switching Voltage Regulators | Switching Voltage Regulators | - |
| Factory Pack Quantity | 500 | 5000 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |
| Supply Voltage Min | 4.5 V | 4.5 V | - |
| Unit Weight | 0.004339 oz | 0.004339 oz | 0.004339 oz |
| Package Case | - | - | QFN-20 |
| Operating Temperature | - | - | -40°C ~ 125°C (TJ) |
| Mounting Type | - | - | Surface Mount |
| Output Type | - | - | Adjustable |
| Function | - | - | Step-Down |
| Supplier Device Package | - | - | 20-QFN (3x4) |
| Frequency Switching | - | - | - |
| Current Output | - | - | 8A |
| Output Configuration | - | - | Positive |
| Voltage Output Min Fixed | - | - | 0.8V |
| Voltage Output Max | - | - | 13V |
| Synchronous Rectifier | - | - | Yes |
| Voltage Input Min | - | - | 4.5V |
| Voltage Input Max | - | - | 28V |
| Supply Voltage Min | - | - | 4.5 V |
| Manufacturer | Part # | Description | RFQ |
|---|---|---|---|
Monolithic Power Systems (MPS) |
NB639DL-LF-P | Switching Voltage Regulators 8A 28V COT Sync Buck ext Vcc | |
| NB639DL-LF-Z | Switching Voltage Regulators 8A 28V COT Sync Buck ext Vcc | ||
| NB639DL | New and Original | ||
| NB639DL-LF-Z | Voltage Regulators - Switching Regulators 8A 28V COT Sync Buck ext Vcc | ||
| NB639DL-LF-P | Voltage Regulators - Switching Regulators 8A 28V COT Sync Buck ext Vcc |