FAN6754B Fairchild Semiconductor, FAN6754B Datasheet - Page 5

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FAN6754B

Manufacturer Part Number
FAN6754B
Description
The highly integrated FAN6754A PWM controller provides several features to enhance the performance of flyback converters
Manufacturer
Fairchild Semiconductor
Datasheet
© 2011 Fairchild Semiconductor Corporation
FAN6754B • Rev.1.0.0
Electrical Characteristics
V
V
HV Section
Symbol
t
t
V
D-VDDOVP
DD
DD
V
V
V
t
V
D-AC-OFF
V
V
I
I
I
V
S-CYCLE
t
I
DD-OP1
DD-OP2
DD-OLP
I
V
H-TIME
DD-OFF
DD-OLP
DD-OVP
DD-ST
HV-LC
AC-OFF
V
DD-ON
DD-AC
AC-ON
DD-LH
=15V and T
I
I
Section
LH
HV
OP
AC
Continuously Operating Voltage
Start Threshold Voltage
Minimum Operating Voltage
I
Threshold Voltage on VDD Pin for
Latch-Off Release Voltage
Threshold Voltage on VDD Pin for
Disable AC Recovery to Avoid
Startup Failed
Startup Current
Operating Supply Current,
PWM Operation
Operating Supply Current,
Gate Stop
Operating Current at PWM-Off
Phase Under Latch-Off
Conduction
Internal Sink Current Under Latch-
Off Conduction
V
V
Debounce Time
Supply Current from HV Pin
Leakage Current after Startup
Brownout Threshold
Brownin Threshold
V
Line Voltage Sample Cycle
Line Voltage Hold Period
PWM Turn-off Debounce Time
DD-OLP
DD
DD
AC-ON
A
Over-Voltage Protection
Over-Voltage Protection
=25C unless otherwise noted.
Off Voltage
- V
AC-OFF
Parameter
V
V
Open
V
V
V
V
V
HV=700V, V
OFF
DC Source Series
R=200k to HV Pin
See Equation 1
DC Source Series
R=200kΩ to HV Pin
See Equation 2
DC Source Series
R=200kΩ to HV Pin
FB > V
FB < V
FB > V
FB < V
DD-ON
DD
DD
DD
DD-OLP
AC
DD
+1V
=20V, FB=3V Gate
=20V, FB=3V
=5V
=90V(V
=0V
Condition
FB-N
FB-G
FB-N
FB-G
– 0.16V
+0.1V
5
DC
DD
=120V),
=V
DD-
V
Min.
+2.8
DD-OFF
170
104
180
3.5
2.0
5.5
16
30
24
75
92
65
9
6
V
Typ.
+3.3
DD-OFF
200
165
102
114
220
650
235
6.5
4.0
1.5
1.0
3.5
17
10
60
25
12
20
75
1
Continued on page 7…
V
Max.
+3.8
DD-OFF
230
255
112
124
290
7.5
4.5
2.0
1.5
5.0
24
18
11
30
90
26
20
18
85
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Unit
mA
mA
mA
ms
ms
µA
µA
µA
µA
µs
µs
µs
V
V
V
V
V
V
V
V
V
V