Datasheet Summary
Super-Small Package PWM Control Step-up Switching Regulator
- General Description
The LN2272 is a pact, high efficiency, step-up DC/DC converter with an Adaptive Current Mode PWM control loop, includes an error amplifier, ramp generator, parator, switch pass element and driver in which providing a stable and high efficient operation over a wide range of load currents. It operates in stable waveforms without external pensation. The 80µA low quiescent current together with high efficiency maintains long battery lifetime.
- Features
- 1.5MHz fixed switching frequency
- 90% efficiency
- Typical Application Circuit
- High supply capability to deliver 5V 1.2A with 1 Li-ion Cell
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