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H6842S

Hi-Sincerity
Part Number H6842S
Manufacturer Hi-Sincerity
Description Novel Low Cost Green-Power PWM Controller
Published May 14, 2014
Detailed Description HI-SINCERITY MICROELECTRONICS CORP. Spec. No. : IC200803 Issued Date : 2008.09.10 Revised Date : Page No. : 1/6 H6842P...
Datasheet PDF File H6842S PDF File

H6842S
H6842S

Overview
HI-SINCERITY MICROELECTRONICS CORP.
Spec.
No.
: IC200803 Issued Date : 2008.
09.
10 Revised Date : Page No.
: 1/6 H6842P / H6842S Novel Low Cost Green-Power PWM Controller Description The H684 2 is a lo w startup cu rrent, lo w co st, curre n.
mode PWM co ntroller with Package Code: P Green-Power & burst- mode power-saving operation.
The integrated functions such as the leading-edge blanking of the current sensing, internal slope compensation • provide the users a high efficiency, low external component counts, and low cost solution for A C/DC po wer app lications.
The special Green-Power function provides off-time modulation to linearly decrease the switching frequency under ight-load conditions.
And under zero-load conditions, the power supply enters burst-mode to 8-Lead Plastic SO-8 Package Code: S further reduce power consumption b y shutting off P WM output.
When the output of power supply is short or over loaded, the FB voltage will increase, and if the FB voltage is higher tha...


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