SG6742HR_HL Fairchild Semiconductor, SG6742HR_HL Datasheet - Page 5

• Manufacturer Part Number: SG6742HR_HL
• Description: The highly integrated SG6742HL/HR PWM controller provides several features to enhance the performance of flyback converters
• Manufacturer: Fairchild Semiconductor

© 2008 Fairchild Semiconductor Corporation
SG6742HL/HR • Rev. 1.0.4
Electrical Characteristics
V
V
HV Section
Oscillator Section
Symbol
t
V
D-VDDOVP
DD
V
V
DD
V
I
f
I
I
DD-OLP
I
DD-OFF
DD-OP
DD-OVP
OSC-G
DD-ST
TH-OLP
HV-LC
f
t
V
DD-ON
=15V and T
I
OSC
HOP
f
f
HV
DV
DT
Section
OP
Continuously Operating Voltage
Start Threshold Voltage
Minimum Operating Voltage
Startup Current
Operating Supply Current
Internal Sink Current
I
V
V
Debounce Time
Supply Current from HV Pin
Leakage Current After Startup
Frequency in Normal Mode
Hopping Period
Green-Mode Frequency
Frequency Variation vs. V
Deviation
Frequency Variation vs.
Temperature Deviation
DD-OLP
DD
DD
A
Over-Voltage Protection
Over-Voltage Protection
=25°C unless otherwise noted.
off Voltage
Parameter
PWM Frequency
f
f
OSC
OSC-G
DD
V
Figure 5. V
FB-ZDC
V
V
V
V
V
V
HV=500V, V
OFF
Center Frequency
Hopping Range
V
T
FB-G
A
DD-ON
DD
TH-OLP
AC
DD
DD
=-40 to 105°C
+1V
=90V (V
=15V, GATE Open
=0V
=11V to 22V
FB
Conditions
– 0.16V
+0.1V
vs. PWM Frequency
5
DC
DD
=120V),
=V
V
FB-N
DD-
Min.
14.5
1.75
±4.2
8.5
6.5
4.9
30
24
75
90
18
Continued on the following page…
V
FB
Typ.
15.5
2.30
±4.7
125
100
9.5
2.7
7.5
5.6
60
25
22
1
Max.
16.5
10.5
3.35
±5.2
200
110
3.7
8.0
6.3
22
30
90
26
20
25
5
5
www.fairchildsemi.com
Units
KHz
KHz
mA
mA
ms
µA
µA
µ
µs
%
%
V
V
V
V
V
A