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TL494 Datasheet, PDF (6/7 Pages) Motorola, Inc – SWITCHMODE PULSE WIDTH MODULATION CONTROL CIRCUIT | |||
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Vin=8~20V
12
1+
Vcc
47
2-
C1 8
Tip32 T1
1M
0.01uF33K
0.01uF
3 Comp
15 -
Tip32
C2 11
47
50uF
25V
16 + OC Vref DT CT RT Gnd E1 E2
13 14 4 5 6 7 9 10
4.7K
4.7K
10uF
10K
1N4934
L1
1N4934
50uF
35V
1
240
Vo=28V
Io=0.2A
50uF
35V
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Vin=10V~40V
Vin=28Vï¼Io=1.0mA~1.0A
Vin=28Vï¼Io=1.0A
Vin=28Vï¼RL=0.1â¦
Vin=28Vï¼Io=1.0A
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14mV 0.28%
3.0mV 0.06%
65mVpp P.A.R.D
1.6A
71%
6/7
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