MC3399 데이터 시트보기 (PDF) - Motorola => Freescale
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MC3399 Datasheet PDF : 6 Pages
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MC3399
Figure 1. Transient Response Test Circuit
Ignition
Transient
Generator
+
12 V
–
Input
Thermal
Sense
Control
Circuit
35 V
Current
Limit
35 V
Output*
IL
RL 50 Ω
Ground
NOTE: * Depending on load current and transient duration, an output capacitor
(CO) of sufficient value may be used to hold up output voltage during the
transient, and absorb turn–off delay voltage overshoot.
Figure 2. Timing Diagram
100 V
31 V
12 V
0V
–100 V
Line Transient
1.0 ms
1.0 ms
Ignition
5.0 V
0V
Input
31 V
Output
12 V
(Load Voltage)
0V
40 V
Ignition
12 V
Input
5.0 V
0V
31 V
Output
VO 12 V
0V
Figure 3. Response Time Diagram
0.9 VO
0.9 VO
tDLY(OV)
tRCVY
tDLT(off) tDLY(on)
Figure 4. Switch Voltage Drop
versus Load Current
800
VIGN = 24 V
TA = 25°C
600
Vin = “1”
Figure 5. Quiescent Current
versus Load Current
80
VIGN = 24 V
TA = 25°C
60
Vin = “1”
400
40
200
20
0
0
200
400
600
800
1000
IL, LOAD CURRENT (mA)
0
0
200
400
600
800
1000
IL, LOAD CURRENT (mA)
MOTOROLA ANALOG IC DEVICE DATA
3
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