ILC6391
ILC6391 is SOT-89 STEP-UP PFM SWITCHER manufactured by Impala Linear Corporation.
Description
50 m A boost converter using Pulse Frequency Modulation, or PFM, technique, in 5-lead SOT-89 or a 5-lead SOT-23 package. Only 3 external ponents are needed to plete the switcher design.
The ILC6390 automatically senses load variations to choose between 55% and 75% duty cycles. Normal operation is 55% duty at 155k Hz; when load currents exceed the internal parator trip point, a “turbo mode” kicks in to provide extended on-time switching (75% duty at 100k Hz oscillation).
Requiring only 30µA of supply current, the ILC6390 achieves efficiencies as high as 85% at 5V yet shuts down to 0.5µA max.
Standard voltages offered are 2.5, 3.3, and 5.0V and is available in both a 5 lead SOT-23 and 5 lead SOT-89 package for small footprint applications.
In addition, the ILC6391 is configured to drive an external transistor to achieve higher power levels.
Features
- 85% conversion...
