VB326 STMicroelectronics, VB326 Datasheet - Page 5

• Manufacturer Part Number: VB326
• Description: High Voltage Ignition Coil Driver Power I.c
• Manufacturer: STMicroelectronics

Figure 3: Self Clamped Inductive Switching
Current Vs. Time
Figure 5: Typical application diagram
10
8
6
4
2
0
200
ENABLE pin can be alternatively connected to LGND
300
400
P
+5V
500
Time in Clamp (µsec)
T=150º
600
T=25º
1nF
700
1 F
800
18K
900
1K
1K
1K
100nF
1000
V
E
FLAG
IN
Figure 4: Low voltage clamp feature
V
CC
LGND
GND
BD
HV
C
V
bat
VB326SP
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