STR-W6753 데이터 시트보기 (PDF) - Sanken Electric co.,ltd.
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STR-W6753 Datasheet PDF : 8 Pages
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STR-W6753
Quasi-Resonant Topology
Primary Switching Regulators
4
VCC
+
-
OVP
Start
Stop
Burst
RQ
S
+
-
OLP
Reg and
Iconst
Burst
Control
Protection
Latch
R
Q
S
Drive
Reg
Delay
Control IC
OSC
Max On
S
Q
R
BSD -
+
Soft Start
Bottom Select
Counter
+
FB -
-
+
OCP
BD +
-
D1
3
S/GND
FB 6
OCP/BD 7
SS/OLP
5
Terminal List Table
Number
Name
1
D
2
NC
3
S/GND
4
VCC
5
SS/OLP
6
FB
7
OCP/BD
Description
Drain
Clipped
Source/ground terminal
Power supply terminal
Soft Start/Overload Protection terminal
Feedback terminal
Overcurrent Protection/Bottom Detection
Functions
MOSFET drain
No connection
MOSFET source and ground
Input of power supply for control circuit
Input to set delay for Overload protection and Soft Start operation
Input for Constant Voltage Control and Burst (intermittent) Mode
oscillation control signals
Input for overcurrent detection and bottom detection signals
Figure 1 – MOSFET Safe Operating Area
Derating Curve
100
Figure 2 – MOSFET Safe Operating Area
Drain Current versus Voltage
at TA = 25°C, Single Pulse
100.00
80
11.2
10.00
60
CduureretnotRlimDSit(on)
1 ms
40
1.00
20
0
0
20 40 60 80 100 120
Temperature, TF (°C)
0.10
1
Refer to figure 1 for MOSFET SOA
temperature derating coefficient
10
100
Drain-to-Source Voltage, VDS (V)
1000
28103.31
3
SANKEN ELECTRIC CO., LTD.
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