參數(shù)資料
型號: L9341
廠商: 意法半導體
英文描述: QUAD LOW SIDE DRIVER
中文描述: 四路,低側(cè)驅(qū)動器
文件頁數(shù): 4/10頁
文件大小: 130K
代理商: L9341
15
CLK
PWM3
PWM4
PWM1
PWM2
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Figure1:
LogicDiagram of PWM Generation.
+12V
Is
Is
12V
0
1A
1A
0
0
du/dt
du/dt
di/dt
di/dt
di/dt
di/dt
5%
5%
Internal PWM Signal
I
I
Current through
Flyback Diode
Current through
Low Side Switch
I
GND
out
Vout
tdpo
out
tdpo
f
I
f
D
DMOS
D
OUT
Vs
D
I
f
Output Voltage V
20 mH
5
10 nF
220 nF
Figure2:
Output Switching Diagram.
220 nF
D1
-2V to 40 V
Schaffner
Generator
4 x 10 nF
Vs
GND
OUT1
OUT2
OUT3
OUT4
4 x 1 nF
+12V
10 uF
VCC
+5V
Figure3:
Test Circuit for SchaffnerPulses.
INTERNAL
CLOCK
L9341
4/10
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