The LTM4624EY#PBF is a 4A step-down DC/DC μModule (Power Module) Regulator with switching controller, power FETs, inductor and support components. Operating over an input voltage range of 4 to 14V or 2.375 to 14V with an external bias supply, the LTM4624 supports an output voltage range of 0.6 to 5.5V, set by a single external resistor. Its high efficiency design delivers 4A continuous, 5A peak, output current. Only bulk input and output capacitors are needed. The LTM4624 supports selectable discontinuous mode operation and output voltage tracking for supply rail sequencing. Its high switching frequency and current mode control enable a very fast transient response to line and load changes without sacrificing stability. Fault protection features include overvoltage, over-current and over-temperature protection.
- Input voltage down to 2.375V with external bias
- 4A DC, 5A Peak output current
- ±2% Total DC output voltage error
- Current mode control, fast transient response
- Output voltage tracking
- Selectable discontinuous mode
- Power good indicator
- Overvoltage, over-current and over-temperature protection
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