A7115 DC-DC CONVERTER1.5MHZ, 1.5A SYNCHRONOUS STEP-DOWN CONVERTER
synchronous buck regulator using a constant
frequency, current mode architecture. Supply
current with no load is 300uA and drops to <1uA in
shutdown. The 2.5V to 6.5V input voltage range
makes the A7115 ideally suited for single Li-Ion,
two to four AA battery-powered applications. 100%
duty cycle provides low dropout operation,
extending battery life in portable systems. PWM
pulse skipping mode operation provides very low
output ripple voltage for noise sensitive
applications. Switching frequency is internally set at
1.5MHz, allowing the use of small surface mount
inductors and capacitors. The internal synchronous
switch increases efficiency and eliminates the need
for an external Schottky diode. Low output voltages
are easily supported with the 0.6V feedback
reference voltage.
The A7115 is available in SOT-25 package.
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[ Cellular and Smart Phones ][ Microprocessors and DSP Core Supplies ][ Wireless and DSL Modems ][ PDAs ][ MP3 / MP4 /PMP Player ][ Digital Still and Video Cameras ][ Portable Instruments ] |
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Datasheet |
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Halogen free 、 RoHS |
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Please see the document for details |
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SOT-25 |
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English Chinese Chinese and English Japanese |
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NOV 2014 |
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REV1.0 |
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855 KB |
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