SG1842J データシートの表示（PDF） - Microsemi Corporation
部品番号
コンポーネント説明
メーカー
SG1842J Datasheet PDF : 24 Pages
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Current Mode PWM Controller
16.08
8.32
8.30
SG1843
8.28
8.26
8.24
8.22
8.20
8.18
-75 -50 -25 0 25 50 75 100 125
Junction Temperature - (°C)
Figure 9 · Start-Up Voltage Threshold vs. Temperature
16.06
16.04
SG1842
16.02
16.00
15.98
-75 -50 -25 0 25 50 75 100 125
Junction Temperature - (°C)
Figure 10 · Start-Up Voltage Threshold vs. Temperature
8.2
2.5
8.0
2.0
-55°C
+25°C
7.8
1.5
+125°C
7.6
1.0
VIN = 15 V
Duty Cycle < 5%
7.4
0.5
7.2
-75
-50 -25 0 25 50 75 100 125
Junction Temperature - (°C)
0
100
200
300
400 500
Output Current - (mA)
Figure 11 · Oscillator Discharge Current vs.
Temperature
Figure 12 · Output Saturation Voltage vs. Output Current
and Temperature (Sink Transistor)
1.0
0.9
0.8
4.0
VIN = 15 V
DUTY CYCLE < 5%
0.7
0.6
3.0
+125°C+25°C
-55°C
0.5
0.4
2.0
+25°C
0.3
+125°C
0.2
1.0
0.1
0
1.0
2.0
3.0
4.0
5.0
Error Amp Output Voltage - (V)
0
100
200
300
400
500
Output Current - (mA)
Figure 13 · Current Sense Threshold vs. Error Amplifier Figure 14 · Output Saturation Voltage vs. Output Current
Output
and Temperature
10
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