FEATURES

 No Single-Event Latch-Up (SEL) up to 47.0

MeV·cm2/mg at VIN ≤ 3.6V

 Total Ionizing Dose (TID) Assured up to

30krad(Si)

 Silent Switcher®2 Architecture: Ultralow EMI

Emissions

 High Efficiency—4.5mΩ NMOS and 16mΩ PMOS

 Wide Bandwidth, Fast Transient Response

 Safely Tolerates Inductor Saturation in Overload

 VIN Range: 2.25V to 5.5V

 VOUT Range: 0.5V to VIN

 VOUT Accuracy: ±1% with Remote Sense

 Minimum On-Time: 35ns

 Programmable Frequency to 5MHz

 Shutdown Current: 1μA

 Output Soft-Start with Voltage Tracking

 Power Good Output

 Die Temperature Monitor

 Configurable for Paralleling Power Stages in Forced

Continuous Mode

 Thermally Enhanced 3mm × 3mm LQFN Package