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C6182

Cambridge Semiconductor
Part Number C6182
Manufacturer Cambridge Semiconductor
Description Primary Sensing SMPS Regulator
Published Feb 25, 2015
Detailed Description C6182 Datasheet Primary Sensing SMPS Regulator for Offline Applications KEY FEATURES AND ADVANTAGES • Advanced primary...
Datasheet PDF File C6182 PDF File

C6182
C6182


Overview
C6182 Datasheet Primary Sensing SMPS Regulator for Offline Applications KEY FEATURES AND ADVANTAGES • Advanced primary sensing control circuitry achieves accurate voltage and current (CV and CC) regulation without an opto-coupler • Integrated primary switch and start-up device support application designs with very low component count SOP-8 • Advanced insulated gate bipolar transistor (IGBT) technology provides a primary switch that is robust, reliable and avalanche-capable • Integrated start-up switch enables very fast turn-on with no impact on no-load power • Optimised PWM/PFM with quasi-resonant switching enables efficiency standards compliance with margin • Enables fully compliant solutions for “MoU” Common External Power Supply universal USB chargers o Switching frequency dither and edge rate control of the primary switch gate drive ease design for low EMI and compliance to EN 301 489-34 with margin o Inherently low ripple and low EMI enable compliance with the interoperability standard, IEC 62684 • Best in class load-transient performance and no-load power less than 30 mW for five-star chargers • Full featured protection includes o Single fault and over-temperature o Output over-voltage and short-circuit o Input under-voltage • Convenient surface mount SOP-8 package for small size and low cost manufacture APPLICATIONS Universal input chargers for mobile phones, including “universal” USB and all major OEM specifications Universal standby and auxiliary power supplies up to 3.
5 W.
Figure 1: Typical Application Circuit Shortform © Cambridge Semiconductor Ltd 2012 Page 1 DS-3653-1209 12-Sep-2012 C6182 Datasheet Primary Sensing SMPS Regulator for Offline Applications BLOCK DIAGRAM Figure 2: C6182 Block Diagram PIN DEFINITIONS D High voltage connection to the drain of the primary switch and the start-up switch.
NC Not connected.
AUX During Run mode, power derived from the transformer auxiliary winding is fed to the control circuitry via the AUX ...


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