Description
The XC9110/9111 series is a group of PFM controlled step-up DC/DC converter/controller ICs designed to generate low supply voltage by the combination of PFM control and CMOS structure.
Features
- Input Voltage Range
: operating hold voltage 0.7V~10.0V
Start-up voltage
0.9V~10.0V
Output Voltage Range
: 1.5V~7.0V in 0.1V increments
Output Accuracy
: ±2.5%
Max Oscillation Frequency : 100 kHz ±15%
180 kHz (at 56% duty of XC9111)
Built-in Switch Types
: A/C/E type
N-ch FET On-Resistance : 2.5Ω@ VDD=3.0V External Transistor Types : B/D/F type
Lx Limit Voltage Max Duty Cycles
: E type: more than VDD=2.0V : A/C type: more than VOUT=2.0V : 75% (for XC9110)
: 56%/75% two steps (for.