SG6903SZ Fairchild Semiconductor, SG6903SZ Datasheet - Page 7

• Manufacturer Part Number: SG6903SZ
• Description: IC PFC CONTROLLER 16SOIC
• Manufacturer: Fairchild Semiconductor

Specifications of SG6903SZ

• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Output Voltage: 1.5 V to 8 V
• Switching Frequency: 65 KHz
• Operating Temperature Range: - 20 C to + 85 C
• Mounting Style: SMD/SMT
• Duty Cycle (max): 83 %
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Supply: -
• Operating Temperature: -
• Frequency - Switching: -
• Mode: -
• Current - Startup: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Green Mode PFC/Flyback-PWM Controller
Current Error Amplifier
Symbol
V
A
BW
CMRR
V
V
I
I
I
Peak Current Limit
Symbol
I
V
t
t
Multiplier
Symbol
I
I
I
I
V
PFC Output Driver
Symbol
V
V
t
V
t
t
DCY
© System General Corp.
Version 1.0.1 (IAO33.0061.B0)
MR1
L
H
P
PD-PFC
LEB-PFC
AC
MO–max
MO-1
MO–2
PFC
R-PFC
F-PFC
OFFSET
I
OUT-HIGH
OUT-LOW
PK
IMP
Z
OL-PFC
OH-PFC
, I
MAX
MR2
Parameter
Input Offset Voltage ((-) > (+))
Open-loop Gain
Unit Gain Bandwidth
Common-mode Rejection Ratio
Output High Voltage
Output Low Voltage
Reference Current Source
Maximum Source Current
Maximum Sink Current
Parameter
Constant Current Output
Peak Current Limit Threshold Voltage
Cycle-by-Cycle Limit (V
Propagation Delay
Leading-Edge Blanking Time
Parameter
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
Parameter
Output Voltage Maximum (Clamp)
Output Voltage Low
The interval of OPFC lags behind OPWM at
startup
Output Voltage High
Rising Time
Falling Time
Maximum Duty Cycle
SENSE
< V
PK
)
Test Conditions
V
RI = 24 KΩ (I
Test Conditions
RI = 24KΩ
VRMS = 1.05V
VRMS = 3V
Test Conditions
Multiplier Linear Range
RI = 24 KΩ
V
VEA = 7.5V;RI = 24 kΩ
V
V
Test Conditions
V
V
V
V
V
CM
RMS
RMS
EA
DD
DD
DD
DD
DD
- 7 -
=20V
=15V; I
=13V; I
=15V; C
=15V;C
= 7.5V;RI = 24 kΩ
= 0 to +1.5V
= 1.05V; I
= 3V; I
O
O
L
AC
L
=5nF ;O/P= 9V to 2V
= 100mA
= 100mA
=5nF ;O/P= 2V to 9V
MR
= 264µA;
AC
=20+I
= 90µA;
RI
*0.8)
www.sg.com.tw • www.fairchildsemi.com
Min.
3.2
50
3
Min.
90
0.15
0.35
270
Min.
0
200
65
3.4
Min.
4.5
8
40
40
93
Product Specification
Typ.
60
1.5
0.25
Typ.
100
0.2
0.4
350
8
70
Typ.
250
250
85
3.9
Typ.
16
5.75
70
60
September 28, 2007
Max.
0.2
70
Max.
110
0.25
0.45
200
450
Max.
360
280
4.4
Max.
18
1.5
7
120
110
98
SG6903
Unit
mV
dB
MHz
dB
V
V
µA
mA
mA
Unit
µA
V
V
ns
ns
Unit
µA
µA
µA
µA
V
Unit
V
V
ms
V
ns
ns
%