Datasheet Summary
LTC1778/LTC1778-1
Wide Operating Range, No RSENSETM Step-Down Controller
Features
- No Sense Resistor Required
- True Current Mode Control
- Optimized for High Step-Down Ratios
- tON(MIN) ≤ 100ns
- Extremely Fast Transient Response
- Stable with Ceramic COUT
- Dual N-Channel MOSFET Synchronous Drive
- Power Good Output Voltage Monitor (LTC1778)
- Adjustable On-Time (LTC1778-1)
- Wide VIN Range: 4V to 36V
- ±1% 0.8V Voltage Reference
- Adjustable Current Limit
- Adjustable Switching Frequency
- Programmable Soft-Start
- Output Overvoltage Protection
- Optional Short-Circuit Shutdown Timer
- Micropower Shutdown: IQ < 30µA
- Available in a 16-Pin Narrow SSOP Package
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