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S-8351

ABLIC
Part Number S-8351
Manufacturer ABLIC
Description Switching Regulators
Published Mar 19, 2018
Detailed Description S-8351/8352 Series www.ablicinc.com © ABLIC Inc., 2002-2010 STEP-UP, BUILT-IN / EXTERNAL FET PFM CONTROL SWITCHING REG...
Datasheet PDF File S-8351 PDF File

S-8351
S-8351

Overview
S-8351/8352 Series www.
ablicinc.
com © ABLIC Inc.
, 2002-2010 STEP-UP, BUILT-IN / EXTERNAL FET PFM CONTROL SWITCHING REGULATOR / SWITCHING REGULATOR CONTROLLER Rev.
3.
0_02 The S-8351/8352 Series is a CMOS step-up switching regulator controller which mainly consists of a reference voltage source, an oscillation circuit, a comparator and PFM control circuit.
The PFM control circuit allows the duty ratio to be automatically switched according to the load (at light load : 50%, at high output current : 75%), enabling products with a low ripple over a wide range, high efficiency, and high output current (A, B, and D type).
Products with a fixed duty ratio of 75% are also available (C type).
The S-8351 Series can configure a step-up switching regulator with an external coil, capacitor, and diode.
A protection circuit turns off the built-in MOS FET when the voltage at the CONT pin exceeds the limit to prevent it from being damaged.
In addition to the above features, the small package and low ...


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