
Integrated Circuits (ICs)
NB638DL-LF-P
ActiveMonolithic Power Systems Inc.
DC-DC SWITCHING SYNCHRONOUS BUCK REGULATOR, 4.5V-28V IN, 800MV TO 14V OUT, 7A, 1MHZ, TQFN-20
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Integrated Circuits (ICs)
NB638DL-LF-P
ActiveMonolithic Power Systems Inc.
DC-DC SWITCHING SYNCHRONOUS BUCK REGULATOR, 4.5V-28V IN, 800MV TO 14V OUT, 7A, 1MHZ, TQFN-20
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Technical Specifications
Parameters and characteristics for this part
| Specification | NB638DL-LF-P |
|---|---|
| Current - Output | 7 A |
| Frequency - Switching [Max] | 1 MHz |
| Frequency - Switching [Min] | 200 kHz |
| Function | Step-Down |
| Mounting Type | Surface Mount |
| Number of Outputs | 1 |
| Operating Temperature [Max] | 125 °C |
| Operating Temperature [Min] | -40 C |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Package / Case | 20-VFQFN Exposed Pad |
| Supplier Device Package | 20-QFN (3x4) |
| Synchronous Rectifier | True |
| Topology | Buck |
| Voltage - Input (Max) [Max] | 28 V |
| Voltage - Input (Min) [Min] | 4.5 V |
| Voltage - Output (Max) [Max] | 13 V |
| Voltage - Output (Min/Fixed) | 0.8 V |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
Description
General part information
NB638 Series
High efficiency, fast transient, 7A, 28V synchronous adjustable step-down converter
Internal 30mohm high-side, 12mohm low-side power MOSFETs
Constant-on-time control mode provides fast transient response and eases loop stabilizatio
Documents
Technical documentation and resources