SG1525A 데이터 시트보기 (PDF) - Microsemi Corporation
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SG1525A Datasheet PDF : 13 Pages
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Application Information
+VSUPPLY
Q1
TO OUTPUT FILTER
RETURN
R1
R2
13
+VC
A 11
SG1525A
B 14
GND
12
For single-ended supplies, the driver outputs are
grounded. The VC terminal is switched to ground by
the totem-pole source transistors on alternate
oscillator cycles.
Application Information
+VSUPPLY
R1
13
C1
+VC
A 11
R2
SG1525A
C2
RETURN
B 14
GND
R3
12
Q1
T1
Q2
In conventional push-pull bipolar designs, forward base
drive is controlled by R1 - R3 .Rapid turn-off times for the
power devices are achieved with speed-up capacitors
C1 and C2.
+VSUPPLY
R1
13
+VC
Q1
A
11
T1
RETURN
SG1525A
Q2
B
14
GND
12
The low source impedance of the output drivers
provides rapid charging of power FET input
capacitance while minimizing external components.
+VSUPPLY
RETURN
R1
13
+VC
A 11
SG1525A
B 14
GND
12
T1
Q1
C1
R1
T2
Q2
R2
C2
Low power transformers can be driven directly by the
SG1525A. Automatic reset occurs during deadtime, when
both ends of the primary winding are switched to ground.
9
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