MC33341PG 查看數據表（PDF） - ON Semiconductor
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MC33341PG Datasheet PDF : 19 Pages
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MC33341
4.0
1.0
VCC = 6.0 V
VCC = 6.0 V
0
0
−4.0
−8.0
−12
−50 −25
0
25
50
75 100 125
TA, AMBIENT TEMPERATURE (°C)
Figure 2. Voltage Sensing
Threshold Change versus Temperature
−1.0
3
−2.0
1 − Source High−Side and Load High−Side
2 − Source Return Low−Side
3 − Load Low−Side
−3.0
−50 −25
0
25
50
75
2
1
100 125
TA, AMBIENT TEMPERATURE (°C)
Figure 3. Current Sensing
Threshold Change versus Temperature
1.6
16
1.4
VCC = 6.0 V
VO = 1.0 V
14
1.2
IO = 1.0 mA
TA = 25°C
12
1.0
10
0.8
VPin 5
8.0
0.6
6.0
0.4
4.0
0.2
VPin 6−VPin 5
2.0
0
0
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
VPin 6, VOLTAGE THRESHOLD ADJUST (V)
Figure 4. Closed−Loop Voltage Sensing Input
versus Voltage Threshold Adjust
0
−40
−80
−120
VPin 6
−160
0
VCC
2.0
VPin 1−VPin 6
VCC = 6.0 V 4.0
VO = 1.0 V
IO = 1.0 mA 6.0
Pin 1 = VCC
TA = 25°C 8.0
−200 Differential Amplifier is active for
10
source high−side and load high−side
−240 current sensing. Both vertical axis are
12
expressed in millivolts down to VCC.
−280
14
0
40
80 120 160 200 240 280
VPin 2, CURRENT THRESHOLD ADJUST (V)
Figure 5. Closed−Loop Current Sense Input B
versus Current Threshold Adjust
280
14
Noninverting input path is active
240 for load low−side current sensing.
12
200
VCC = 6.0 V
VO = 1.0 V
10
IO = 1.0 mA
160 TA = 25°C
8.0
120
6.0
VPin 5
80
4.0
VPin 2−VPin 1
40
GND
2.0
0
0
0
40
80 120 160 200 240 280
VPin 2, CURRENT THRESHOLD ADJUST (mV)
Figure 6. Closed−Loop Current Sensing Input A
versus Current Threshold Adjust
0
−40
GND
VPin 5
−80
14
VCC = 6.0 V
VO = 1.0 V 12
IO = 1.0 mA
TA = 25°C 10
−120
8.0
−160
6.0
−200
−240
−260
0
VPin 2−|VPin 1|
40
80 120
4.0
Inverting Amplifier is
active for source return 2.0
low−side current sensing.
0
160 200 240 280
VPin 2, CURRENT THRESHOLD ADJUST (mV)
Figure 7. Closed−Loop Current Sensing Input A
versus Current Threshold Adjust
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