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UC3844 参数 Datasheet PDF下载

UC3844图片预览
型号: UC3844
PDF下载: 下载PDF文件 查看货源
内容描述: 高性能电流模式控制器 [HIGH PERFORMANCE CURRENT MODE CONTROLLERS]
分类和应用: 控制器
文件页数/大小: 14 页 / 380 K
品牌: MOTOROLA [ MOTOROLA ]
 浏览型号UC3844的Datasheet PDF文件第1页浏览型号UC3844的Datasheet PDF文件第2页浏览型号UC3844的Datasheet PDF文件第3页浏览型号UC3844的Datasheet PDF文件第4页浏览型号UC3844的Datasheet PDF文件第6页浏览型号UC3844的Datasheet PDF文件第7页浏览型号UC3844的Datasheet PDF文件第8页浏览型号UC3844的Datasheet PDF文件第9页  
UC3844, 45 UC2844, 45  
Figure 7. Reference Voltage Change  
versus Source Current  
Figure 8. Reference Short Circuit Current  
versus Temperature  
0
–4.0  
–8.0  
–12  
–16  
–20  
–24  
110  
V
= 15 V  
CC  
V
R
= 15 V  
0.1 Ω  
CC  
L
90  
70  
T
= 125°C  
A
T
= –55°C  
A
T
= 25°C  
A
50  
–55  
0
20  
40  
60  
80  
100  
120  
–25  
0
25  
50  
75  
C)  
100  
125  
I
, REFERENCE SOURCE CURRENT (mA)  
T , AMBIENT TEMPERATURE (  
°
ref  
A
Figure 9. Reference Load Regulation  
Figure 10. Reference Line Regulation  
V
= 15 V  
= 1.0 mA to 20 mA  
= 25°C  
CC  
V
= 12 V to 25 V  
CC  
= 25°C  
I
T
O
T
A
A
2.0 ms/DIV  
2.0 ms/DIV  
Figure 11. Output Saturation Voltage  
versus Load Current  
Figure 12. Output Waveform  
0
–1.0  
–2.0  
Source Saturation  
(Load to Ground)  
V
= 15 V  
CC  
V
CC  
80  
µs Pulsed Load  
120 Hz Rate  
V
C
= 15 V  
= 1.0 nF  
= 25°C  
CC  
L
T
= 25°C  
A
90%  
T
A
T
= –55°C  
A
3.0  
2.0  
1.0  
0
T
= –55°C  
A
T
= 25°C  
A
10%  
Sink Saturation  
Gnd  
600  
(Load to V  
)
CC  
50 ns/DIV  
0
200  
400  
800  
I
, OUTPUT LOAD CURRENT (mA)  
O
5
MOTOROLA ANALOG IC DEVICE DATA  
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