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AT1368 Datasheet, PDF (1/13 Pages) List of Unclassifed Manufacturers – 1- Channel Synchronous Buck PWM Controller with Power Good Reset | |||
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AT1368
1-Channel Synchronous Buck PWM Controller
with Power Good Reset
Features
⢠High efficiency (min. 90% On IO=300mA
~600mA)
⢠Using external P and N channel MOSFET
⢠Supports for down and up/down Zeta
conversion
⢠Maximum Duty 100%
⢠Oscillation frequency 300KHz or 600KHz
⢠Soft Start by an external capacity
⢠Output voltage accuracy ±2%
⢠Built-in ON/OFF Function
⢠Built-in Short-circuit Protection
⢠Stand-by current max. 10µA
⢠Quiescent Current 1mA
⢠Monitor the input voltage and 3V3 output
⢠Input voltage: 2.5V ~7.0V
Applications
⢠Slim-Type CD-ROM/DVD-ROM/CD-RW
⢠Power Supply for portable devices
⢠Main or Sub Power source foe notebook
computers and peripherals.
Block Diagram
General Description
The AT1368 provides complete control and
protection for a DC/DC converter optimized for
high-performance microprocessor applications. It
is designed to drive one P-Channel and one N-
Channel MOSFETs in a synchronous-rectified
buck topology. The AT1368 integrates all of the
control, output adjustment, monitoring and
protection functions into a single package. The
output voltage of the converter can be precisely
regulated with a maximum tolerance of ±2% over
temperature and line voltage variations. The
AT1368 is a family of low-noise synchronous step-
down DC/DC converters that is ideally suited for
systems powered from a 1-cell Li-ion battery or
from a 3-cell to 4-cell NiCd, NiMH, or alkaline
battery. It can also be used to USB-Based power
system.
2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878
WWW: http://www.aimtron.com.tw
Fax: 886-3-563-0879
Email: service@aimtron.com.tw
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