SG1525A 데이터 시트보기 (PDF) - Microsemi Corporation
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SG1525A Datasheet PDF : 13 Pages
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Oscillator Section
VREF 16
Q1
Q5
Q8
Oscillator Section
7.4k
RT 6
CT 5
SYNC 3
DISCHARGE 7
Q2
GND 12
Q3
Q6
Q9
2k
14k
RAMP
TO PWM
2k
5 pF
400µA
23k
Q4
Q7
1k
Q10
Q11
1k
Q12
Figure 2 · Oscillator Schematic
Q14
25k
BLANKING
TO OUTPUT
3k
250
Q13
4
CLOCK
200
100
RD = 0
50
20
10
5
6
5
7
RD
RT
2
CT
0
CHARGE TIME - µs
Figure 3 · Oscillator Charge Time versus RT And CT
500
400
300
200
100
0
DISCHARGE TIME - ms
Figure 4 · Oscillator Discharge Time versus RD And CT
7
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