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Winsemi - High Efficiency Charger Control IC

Numéro de référence WS2596B
Description High Efficiency Charger Control IC
Fabricant Winsemi 
Logo Winsemi 





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WS2596B fiche technique
WS2596B Product Description
WS2596B High Efficiency Charger Control IC
Features
Standby power<75mw
Low stat-up current,<1uA
High efficiency(Meet Energy Star 6.0)
Internal random Frequency jitter to Reduce System EMI
Internal leading edge blanking
Cycle by cycle current limit
VCC UVLO and Over Voltage Protection
±5% CCCV accuracy
Good dynamic transient(10%--any load)
CS pin and CS resistor Open/Short protection
FB Upper/Lower resistor Open/Short protection
IC GND open protection
Output over voltage protection
Output under voltage protection
Over temperature protection
Intelligent temperature regulation (When the
temperature over 133the output power will be
reduced.)
Secondary SBD short protection
Transformer saturation protection
CS double peak thresholdsuppress audio noise
Slope drive technologyreduce driving loss
External proprietary adjustable cable voltage drop
Compensation
Internal proprietary adjustable line compensation for CC
Variation
Internal BJT
SOP-7 package
Description
WS2596B is a high performance AC/DC power supply
controller for battery charger and adapter applications.The
device uses Pulse Frequency Modulation (PFM) method to
build discontinuous conduction mode (DCM)flyback power
supplies.
WS2596B provides accurate constant voltage, constant
current (CV/CC) regulation without requiring an opto-coupler
and the secondary control circuitry. It also eliminates the need
of loop compensation circuitry while maintaining good stability.
WS2596B can achieve excellent regulation and high average
efficiency(meet Energy star 6.0), yet meets standby power
less than 75mW.
WS2596B has a proprietary cable voltage drop
compensation function. Internal random frequency
modulation to reduce system EMI.
WS2596B is available in SOP-7 package.
Typical Appliction
Adapters/Chargers for Cell/cordless Phones, PDAs,
MP3 and Other Portable Devices
LED driver
WINSEMI MICROELECTRONICS
WINSEMI MICROELECTRONICS
WINSEMI MICROELECTRONICS
Copyright@Winsemi Microelectronics Co., Ltd., All right reserved.
WINSEMI MICROELECTRONICS
WINSEMI MICROELECTRONICS
A2 0318

PagesPages 9
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