SG6905SZ

Manufacturer Part NumberSG6905SZ
DescriptionIC PWM CTLR PFC/FLYBACK 20-SOP
ManufacturerFairchild Semiconductor
SG6905SZ datasheet
 

Specifications of SG6905SZ

ModeAverage CurrentFrequency - Switching65kHz
Current - Startup10µAVoltage - Supply16 V ~ 20 V
Operating Temperature-40°C ~ 105°CMounting TypeSurface Mount
Package / Case20-SOIC (7.5mm Width)Lead Free Status / RoHS StatusLead free / RoHS Compliant
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Function Protection Table
Item
PFC_ON exceed V
OFF
OTP
Brownout
OVP(PFC)
UVP(PFC)
IMP open
PWM open loop
SS Pin pull low(=0V)
RI Pin open
Note:
1. The PFC stage is disabled, whenever the voltage at PFC_ON pin exceeds V
2. The RDY Pin is reset, whenever the voltage at PFC_ON pin exceeds V
occur, IC V
reaches V
DD
DD-MIN
Green Mode Function
Item
PFC_ON
PFC_OFF
© 2007 Fairchild Semiconductor Corporation
SG6905 • Rev. 1.1.2
PWM GATE
No change
OFF
OFF
No change
No change
No change
OFF
OFF
OFF
.
PWM
12
PFC GATE
RDY Pin
OFF
Short to ground
OFF
Short to ground
OFF
Short to ground
OFF
Open drain
OFF
Short to ground
OFF
Short to ground
OFF
Short to ground
OFF
Short to ground
OFF
Short to ground
.
OFF
or UVP
, OVP
, V
, V
OFF
FBPFC
FBPFC
IMP
PFC
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RMS-UVP