natlinear LN2272
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. It operates in stable waveforms without external compensation. The 80µA low quiescent current together with high efficiency maintains long battery lifetime.| Part No. | LN2272 |
|---|---|
| Datasheet | LN2272 Download |
| Manufacturer | natlinear |
| Description | Super-Small Package PWM Control Step-up Switching Regulator |
| Buy | Stock & Price |
GENERAL DESCRIPTION
●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
● 0.01µA shutdown mode supply current
●
APPLICATIONS
● PDA● LCD panel
● Portable instrument
● Wireless equipment
● Package
● SOT-23-6L
● Ordering Information LN2272P ①②③ Designator 1 2 3 Symbol A M R S
DESCRIPTION
Feedback voltage
