Description
Input Supply Range Undervoltage Lockout Threshold Undervoltage Lockout Threshold Quiescent Current Quiescent Current - Switching Fault Delay Time Reference Voltage VIN rising VIN falling LX not switching LX switching CDEL = 220nF TA = 25°C
2.6 2.4 2.2 2.5 2.3
5.5 2.6 2.4 2.5 5 52 10
V V V mA mA ms
1.19 1.187
1.215 1.215 140
1.235 1.238
V V °C
SHUTDN
Thermal Shutdown Temperature
MAIN BOOST REGULATOR VBOOST FOSC DCM VFBB Output Voltage Range Oscillator Frequency Maximum Duty Cycle Boost
Features
- Current mode boost regulator - Fast transient response - 1% accurate output voltage - 18V/3A integrated FET - >90% efficiency.
- 2.6V to 5.5V VIN supply.
- 2 LDO controllers for VON and VOFF - 2% output regulation - VON-slice circuit.
- High speed amplifiers - 150mA short-circuit output current - 12V/µs slew rate - 12MHz -3dB bandwidth - Rail-to-rail inputs and outputs.
- Built-in power sequencing.
- Internal soft-start.
- Multiple overload pro.