LN2272 - Super-Small Package PWM Control Step-up Switching Regulator
General Description
The LN2272 is a compact, high efficiency, 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.
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LN2272 Super-Small Package PWM Control Step-up Switching Regulator ■ General Description The LN2272 is a compact, high efficiency, step-up DC/DC converter with an Adaptiv...
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is a compact, high efficiency, 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. It operates in stable waveforms without external compensation. 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 80µA supply current 0.
LN2272 Datasheet
