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LX7169
® 3A Step-Down Converter
TM
PRODUCTION DATASHEET
DESCRIPTION
KEY FEATURES
LX7169 is a step...
WWW.Microsemi .COM
LX7169
® 3A Step-Down Converter
TM
PRODUCTION DATASHEET
DESCRIPTION
KEY FEATURES
LX7169 is a step-down PWM Switching Other features of the part are:
regulator IC with integrated high side P-
a) Cycle-by-cycle current limit
Channel and low side N-Channel followed by HICCUP mode which
MOSFETs. The IC operates using a reduces the overall power dissipation of
hysteretic control topology with a full load the internal MOSFETs
operating frequency of 3MHz. This switching frequency allows for small output filter components while maintaining
b) Thermal protection and internal digital soft start.
excellent dynamic load response.
The LX7169 also provides a Power Good
The operational input voltage range of LX7169 is from 3V to 5.5V. The SYNC
function. The LX7169 is available in a 12L 3mm x 3.5mm DFN package.
pin is tied low when not in use. A clock
signal to this pin will synchronize the
converter to an external source.
In the shutdown mode, the IC’s current...