L9341H STMicroelectronics, L9341H Datasheet - Page 4

• Manufacturer Part Number: L9341H
• Description: MOSFET & Power Driver ICs Quad 24V 2A Lo-Side
• Manufacturer: STMicroelectronics
• Type: Quad Low Side Driverr

Specifications of L9341H

• Mounting Style: Through Hole
• Package / Case: Multiwatt-15
• Number Of Drivers: 4
• Number Of Outputs: 4
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

L9341
Figure 1: Logic Diagram of PWM Generation.
Figure 2: Output Switching Diagram.
Figure 3: Test Circuit for Schaffner Pulses.
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INTERNAL
CLOCK
PWM1
PWM3
PWM4
CLK
PWM2
+12V
+5V
DMOS
10 uF
GND
V s
I s
I
I
D
I s
f
D
15
f
+12V
VCC
14
OUT
220 nF
GND
20 mH
10 nF
Vs
5
I
13
out
V out
OUT1
OUT2
OUT3
OUT4
12
220 nF
11
Output Voltage V
Internal PWM Signal
Current through
Low Side Switch
Current through
Flyback Diode
10
9
I
out
f
I
8
D
-2V to 40 V
D1
t dpo
7
5%
6
di/dt
di/dt
4 x 10 nF
5
du/dt
4
3
t dpo
4 x 1 nF
2
5%
du/dt
1
Schaffner
Generator
di/dt
di/dt
0
12V
0
1A
0
1A
0