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TL494BDR2 Datasheet(PDF) 11 Page - ON Semiconductor

Part No. TL494BDR2
Description  Modulation Control Circuit
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

TL494BDR2 Datasheet(HTML) 11 Page - ON Semiconductor

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TL494, NCV494
http://onsemi.com
11
Figure 21. Pulse Width Modulated Step−Down Converter
+Vin = 10V to 40V
Tip 32A
1.0mH @ 2A
+VO = 5.0 V
IO = 1.0 A
50
10V
+
5.1k
MR850
0.1
150
5.1k
5.1k
47k
1.0M
0.1
3
2
1
14
15
16
Comp
+
Vref
+
VCC
C1
C2
50
50V
0.001
56
4
13
7
9
10
CT
RT
D.T. O.C. Gnd E1
E2
+
47k
+
500
10V
150
47
11
12
8
TL494
Test
Conditions
Results
Line Regulation
Vin = 8.0 V to 40 V
3.0 mV
0.01%
Load Regulation
Vin = 12.6 V, IO = 0.2 mA to 200 mA
5.0 mV
0.02%
Output Ripple
Vin = 12.6 V, IO = 200 mA
40 mV pp
P.A.R.D.
Short Circuit Current
Vin = 12.6 V, RL = 0.1 W
250 mA
Efficiency
Vin = 12.6 V, IO = 200 mA
72%


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