参数资料
型号: TL494ING
厂商: ON Semiconductor
文件页数: 11/14页
文件大小: 0K
描述: IC REG CTRLR PWM VM 16-DIP
标准包装: 500
系列: SWITCHMODE™
PWM 型: 电压模式
输出数: 1
频率 - 最大: 200kHz
占空比: 50%
电源电压: 7 V ~ 40 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 16-DIP(0.300",7.62mm)
包装: 管件
其它名称: TL494INGOS
TL494, NCV494
1.0mH @ 2A
+V in = 10V to 40V
Tip 32A
+V O = 5.0 V
I O = 1.0 A
47
150
47k
12
8
11
0.1
V CC
C 1
C 2
Comp
3
1.0M
?
2
+
V ref
50
50V
+
5
C T
R T
6
TL494
D.T. O.C. Gnd E 1
4 13 7 9
E 2
10
1
14
? 15
16
+
5.1k
5.1k
5.1k
MR850
500
10V
+
+
50
10V
150
0.001
47k
0.1
Figure 21. Pulse Width Modulated Step?Down Converter
Test
Conditions
Results
Line Regulation
Load Regulation
Output Ripple
V in = 8.0 V to 40 V
V in = 12.6 V, I O = 0.2 mA to 200 mA
V in = 12.6 V, I O = 200 mA
3.0 mV
5.0 mV
40 mV pp
0.01%
0.02%
P.A.R.D.
Short Circuit Current
Efficiency
V in = 12.6 V, R L = 0.1 W
V in = 12.6 V, I O = 200 mA
http://onsemi.com
11
250 mA
72%
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