KA3511BS 查看數據表（PDF） - Fairchild Semiconductor
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KA3511BS Datasheet PDF : 20 Pages
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KA3511BS
Internal Block Diagram
V5 V12
RT 7
CT 8
COMP
2
E/A(-
3
)
4
E/A(+
)
DEAD TIME
CONTROL
21
14
VREF
VCC
1
DET 9
OSCILLATOR
PWM
CONTROL
DQ
CK Q
1.25V
DEAD TIME
CONTROLLER
0.1V
R
Q
S
DELAY
CONTROLLER
REMOTE ON/OFF
1.4V
VREF
INTERNAL
BIAS
Start Up
5V
COMP1
COMP2
1.25V
5V
VREF
Ichag
PG
GENERATOR
VREF OVP
COMP
1.25
V
COMP3
1.8V 0.6V 1.8V
0.6V
10
TPG
2.2u
F
UVP
COMP
1.25
V
19
TUVP
2.2uF
20
GND
24 C1
22 C2
23 E
5
TREM
6
REM
(PS-ON)
11 PG
18 PT
17 V12
16 V5
15 V3.3
Absolute Maximum Ratings
Parameter
Supply voltage
Collector output voltage
Collector output current
Power dissipation(KA3511BS)
Operating temperature
Storage temperature
Symbol
VCC
VC1, VC2
IC1, IC2
PD
TOPR
TSTG
Temperature Characteristics
Parameter
Temperature coefficient of Vref (-25°C≤Ta≤85°C)
Symbol
∆Vref/∆T
Value
Unit
40
V
40
V
200
mA
1.5
W
−25 to 85
°C
−65 to 150
°C
Min.
-
Typ.
0.01
Max.
-
Unit
%/°C
2
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