SG6905SZ Fairchild Semiconductor, SG6905SZ Datasheet - Page 9

• Manufacturer Part Number: SG6905SZ
• Description: IC PWM CTLR PFC/FLYBACK 20-SOP
• Manufacturer: Fairchild Semiconductor

Specifications of SG6905SZ

• Mode: Average Current
• Frequency - Switching: 65kHz
• Current - Startup: 10µA
• Voltage - Supply: 16 V ~ 20 V
• Operating Temperature: -40°C ~ 105°C
• Mounting Type: Surface Mount
• Package / Case: 20-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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