UP9523 Overview
BS Connect a 10nF or greater ceramic capacitor from BS to SW. The capacitor supplies the gate drive for the upper side switch of the regulator. IN IN provides the power to the IC, as well as the step-down switcher.
UP9523 Key Features
- High Efficiency: Up to 93%
- 2A Output Current
- 4.75V to 20V Input Voltage Range
- Fixed 390KHz Frequency
- 0.2Ω Internal Power MOSFET Switch
- 20µA Quiescent Current at Shutdown
- Thermal Shutdown
- Cycle-by-Cycle Over-current Protection
- Output Adjustable from 0.92V to 16V
- Stable with Low ESR Output Ceramic
