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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Electrical Characteristics
V
=15V, T
=25°C, unless otherwise noted.
DD
A
Symbol
Parameter
PFC Stage
Multiplier Section
I
Input AC Current
AC
I
Maximum Multiplier Current Output
MO–max
Multiplier Current Output
I
MO-1
(Low-Line, High-Power)
Multiplier Current Output
I
MO–2
(High-Line, High-Power)
V
Voltage of IMP Open
IMP
PFC Oscillator Section
f
PFC Frequency
OSC
f
Frequency Variation vs. V
DV
Frequency Variation vs.
f
DT
Temperature Deviation
PFC Output Driver Section
V
Output-Voltage Maximum (Clamp)
Z
V
Output-Voltage Low
OL-PFC
V
Output-Voltage High
OH-PFC
The interval of OPFC Lags behind OPWM
t
PFC
at Startup
t
Rising Time
R-PFC
t
Falling Time
F-PFC
DCY
Maximum Duty Cycle
MAX
PFC On/Off Section
I
Constant Current Output for PFC_ON Pin
ON/OFF
V
Turn-Off Threshold Voltage
OFF
t
Debounce Time of PFC_On/Off
PFC_ON
© 2007 Fairchild Semiconductor Corporation
SG6905 • Rev. 1.1.2
Conditions
Multiplier Range
R
=24kΩ
I
V
=1.05V;
RMS
I
=90µA;
AC
V
=5V; R
=24kΩ
EA
I
V
=3V; I
=264µA;
RMS
AC
V
=5V; R
=24kΩ
EA
I
R
=24kΩ
I
Deviation
V
=11 to 20V
DD
DD
T
=-20 to 85°C
A
V
=20V
DD
V
=15V; I
=100mA
DD
O
V
=13V; I
=100mA
DD
O
V
=15V; C
=5nF;
DD
L
O/P=2V to 9V
V
=15V; C
=5nF;
DD
L
O/P=9V to 2V
R
=24kΩ
I
R
=24kΩ
I
9
Min.
Typ.
Max.
Units
0
360
μA
230
250
μA
200
250
280
μA
65
85
μA
3.4
3.9
4.4
V
62
65
68
KHz
2
%
2
%
16
18
V
1.5
V
8
V
8.0
11.0
13.5
ms
40
70
120
ns
40
60
110
ns
93
98
%
44
50
56
μA
2.00
2.45
2.90
V
40
70
120
μs
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