IC PFC CONTROLLER 16SOIC

SG6903SZ

Manufacturer Part NumberSG6903SZ
DescriptionIC PFC CONTROLLER 16SOIC
ManufacturerFairchild Semiconductor
SG6903SZ datasheet
 

Specifications of SG6903SZ

Mounting TypeSurface MountPackage / Case16-SOIC (3.9mm Width)
Output Voltage1.5 V to 8 VSwitching Frequency65 KHz
Operating Temperature Range- 20 C to + 85 CMounting StyleSMD/SMT
Duty Cycle (max)83 %Lead Free Status / RoHS StatusLead free / RoHS Compliant
Voltage - Supply-Operating Temperature-
Frequency - Switching-Mode-
Current - Startup-  
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Green Mode PFC/Flyback-PWM Controller
P WM Frequency (F
) vs Temperature
O S C
68
67
66
64
63
62
-40
-25
-10
5
20
35
50
Temperature ( )
Minimum Frequency (F
O S C -M IN F R E Q
22
21
20
20
19
18
-40
-25
-10
5
20
35
50
Temperature ( )
Hig h VR MS Th resho ld fo r R ANGE C om p arator (V
Tem p eratur e
2.00
1.98
1.96
1.94
1.92
1.90
-40
-25
-10
5
20
35
50
Tem perature (℃)
© System General Corp.
Version 1.0.1 (IAO33.0061.B0)
Low VRMS Thres hold for RANG E Comparator
1.65
1.63
1.61
1.59
1.57
1.55
65
80
95
110
125
-40
-25
P F C Over V oltage P rotection (OVP
) vs Temperature
3.30
3.28
3.26
3.24
3.22
3.20
-40
-25
65
80
95
110
125
Reference V oltage (V
) v s
R M S - H
3.05
3.03
3.01
2.99
2.97
2.95
-40
-25
65
80
95
110
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- 10 -
Product Specification
SG6903
(V
) vs Temperature
R M S -L
-10
5
20
35
50
65
80
95
110
Temperature ( )
) vs
F BP F C
Temperature
-10
5
20
35
50
65
80
95
110
Temperature ( )
) vs Temperature
R E F
-10
5
20
35
50
65
80
95
110
Temperature ( )
www.sg.com.tw • www.fairchildsemi.com
September 28, 2007
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