Dual-output DC/DC step-down controller, surface mountable in a 28-pin TSSOP package. Features a maximum operating frequency of 424kHz and a high duty cycle up to 98.9%. Supports input voltages from 4.5V to 36V, with adjustable output voltages ranging from 1.3V to 32.4V. Delivers up to 20A output current per channel, operating across a wide temperature range of -40°C to 125°C. RoHS compliant with a low quiescent current of 1.1mA.
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Texas Instruments LM5642XMT/NOPB technical specifications.
| Package/Case | TSSOP |
| Duty Cycle | 98.9% |
| Height | 0.8mm |
| Lead Free | Lead Free |
| Length | 9.7mm |
| Max Duty Cycle | 98.9% |
| Max Frequency | 424kHz |
| 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 Channels | 2 |
| Number of Outputs | 2 |
| Output Current | 20A |
| Output Voltage | 32.4V |
| Packaging | Rail/Tube |
| Quiescent Current | 1.1mA |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Series | LM5642X |
| Weight | 0.014215oz |
| Width | 4.4mm |
| RoHS | Compliant |
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