The PT1305 is a step-up DC/DC converter designed for driving up to 24V from a single cell Lithium Ion battery.
The PT1305 switches at 1.25 MHz, allowing the use of tiny, low cost and low height inductors and cap acitors.
Key Features
z z z z z z z 18V at 30mA from 3.6V Up to 90% Efficiency 1.25MHz Fixed Switching Frequency High output voltage up to 24V Uses small surface mount components Low shutdown current < 1uA SOT23-5 and SOT23-6 Packages.
Full PDF Text Transcription for PT1305 (Reference)
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PT1305. For precise diagrams, and layout, please refer to the original PDF.
PT1305 High Voltage Step-Up Converter GENERAL DESCRIPTION The PT1305 is a step-up DC/DC converter designed for driving up to 24V from a single cell Lithium Ion battery. T...
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signed for driving up to 24V from a single cell Lithium Ion battery. The PT1305 switches at 1.25 MHz, allowing the use of tiny, low cost and low height inductors and cap acitors. A c onstant frequency i nternally com pensated c urrent mode PW M architecture resu lts in low, p redictable output noise t hat is easy to filter. Low ESR ceram ic capacitors ca n be used at t he ou tput, fu rther reducing noise to m illivolt level. The high voltage switch on the PT1305 i s rated at 2 6V, m aking t he de vices i deal f or boost converters up 24V. It can generate 18V at 30mA from 3.6V supply. The PT1305 is available in SOT23-5 and
PT1305 Datasheet
