FAN6753 Fairchild Semiconductor, FAN6753 Datasheet - Page 6
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FAN6753
Manufacturer Part Number
FAN6753
Description
The highly integrated FAN6753 PWM controller provides several features to enhance the performance of flyback converters
Manufacturer
Fairchild Semiconductor
Datasheet
1.FAN6753.pdf
(12 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
FAN6753MY
Manufacturer:
FAIRCHILD/仙童
Quantity:
20 000
© 2009 Fairchild Semiconductor Corporation
FAN6753 • Rev. 1.0.3
Electrical Characteristics
V
LATCH Section
Feedback Input Section
Current-Sense Section
GATE Section
Over-Temperature Protection Section (OTP)
Notes:
3.
4.
I
V
GATE-SOURCE
DD
Symbol
V
GATE-CLAMP
DCY
V
t
V
V
V
Z
V
V
T
I
D-LATCH
I
=15V and T
FB-OPEN
t
V
V
FB-ZDC
LATCHth
T
LATCH
FB-OLP
D-OLP
GATE-L
GATE-H
SENSE
STHVA
t
Restart
When activated, the output is disabled and the latch is turned off.
The threshold temperature for enabling the output again and resetting the latch, after over-temperature protection
has been activated.
Z
STHFL
A
t
t
LEB
FB-N
FB-G
OTP
PD
SS
t
t
FB
r
f
V
MAX
Latch-Off Threshold Voltage
Latch-Off De-bounce Time
Output Current from LATCH Pin
Input Voltage to Current-Sense Attenuation
Input Impedance
Output High Voltage
FB Open-Loop Trigger Level
Delay Time of FB Pin Open-Loop Protection
Green-Mode Entry FB Voltage
Green-Mode Ending FB Voltage
Zero Duty-Cycle FB Current
Input Impedance
Current Limit Flatten Threshold Voltage
Current Limit Valley Threshold Voltage
Delay to Output
Leading-Edge Blanking Time
Period During Soft-Startup Time
Maximum Duty Cycle
Gate Low Voltage
Gate High Voltage
Gate Rising Time
Gate Falling Time
Gate Source Current
Gate Output Clamping Voltage
Protection Junction Temperature
Restart Junction Temperature
A
=25C unless otherwise noted.
Parameter
(Continued)
(4)
(3)
6
V
100µs Latch Off
V
FB Pin Open
Duty>40%
V
Duty=0%
Startup Time
V
V
V
V
V
V
LATCHth
LATCH
STHFL
DD
DD
DD
DD
DD
DD
=15V, I
=12V, I
=15V, C
=15V, C
=15V, GATE=6V
=22V
Conditions
–V
< V
> 5.2V, after
STHVA
LATCHth
O
O
L
L
=50mA
=50mA
=1nF
=1nF
1/4.5
Min.
0.87
0.30
100
150
250
5.0
4.6
2.8
2.2
4.3
5.0
50
60
30
40
92
4
8
T
1/4.0
+135
Typ.
0.90
0.34
100
100
140
250
100
5.3
4.8
3.0
2.4
5.0
5.3
56
12
65
50
OTP
25
-
Max. Units
1/3.5
0.93
0.38
160
108
200
180
350
5.6
5.6
5.0
3.2
2.6
1.5
5.7
1.5
62
70
90
18
7
www.fairchildsemi.com
V/V
mA
mA
KΩ
ms
µA
kΩ
ms
µs
°C
°C
ns
ns
ns
ns
%
V
V
V
V
V
V
V
V
V
V