Description
The LN2266 is a compact, high efficiency, and low voltage step-up DC/DC converter with an Adaptive Current Mode PWM control loop, includes an error amplifier, ramp generator, comparator, switch pass element and driver in which providing a stable and high efficient operation over a wide range of load currents.
Features
- 0.9V（Iout=1mA） Low start-up input voltage.
- 1000kHz fixed switching frequency.
- 90% efficiency.
- High supply capability to deliver 3.3V 300mA with1
alkaline cell or deliver 5V 1100mA with 1 Li-ion Cell.
- 17µA quiescent (switch-off) supply current.
- 0.01µA shutdown mode supply current.
- Providing flexibility for using internal and external
power switches.
- Output voltage: settable to between 2.0V to
5.2V ,accuracy of 2%.
LN2266-natlinear.pdf
