Dual synchronous buck controller for efficient power management. Features oscillator synchronization, a maximum output current of 20A, and a wide input voltage range of 4.5V to 36V. Operates with a maximum duty cycle of 98.9% and a maximum frequency of 226kHz. Surface mountable in a 28-HTSSOP package, this lead-free component offers two positive output phases with adjustable output voltages up to 32.4V.
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Texas Instruments LM5642MH/NOPB technical specifications.
| Package/Case | HTSSOP |
| Clock Sync | Yes |
| Duty Cycle | 98.9% |
| Height | 0.8mm |
| Lead Free | Lead Free |
| Length | 9.7mm |
| Max Duty Cycle | 98.9% |
| Max Frequency | 226kHz |
| Max Input Voltage | 36V |
| Min Input Voltage | 4.5V |
| Max Operating Temperature | 125°C |
| Min Operating Temperature | -40°C |
| Max Output Voltage | 32.4V |
| Min Output Voltage | 1.3V |
| Max Supply Voltage | 36V |
| Min Supply Voltage | 4.5V |
| Mount | Surface Mount |
| Number of Output Phases | 2 |
| Number of Outputs | 2 |
| Output Configuration | Positive |
| Output Current | 20A |
| Output Voltage | 32.4V |
| Packaging | Rail/Tube |
| Power Dissipation | 3.4W |
| Quiescent Current | 1.1mA |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Series | PowerWise® |
| Synchronous Rectifier | Yes |
| Width | 4.4mm |
| RoHS | Compliant |
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