L9903 STMicroelectronics, L9903 Datasheet - Page 8

• Manufacturer Part Number: L9903
• Description: IC CTRLR MOTOR BRIDGE SO-20
• Manufacturer: STMicroelectronics
• Type: Motor Controller/Driverr

Specifications of L9903

• Applications: DC Motor Controller, Bridge
• Number Of Outputs: 1
• Voltage - Supply: 8 V ~ 20 V
• Operating Temperature: -40°C ~ 150°C
• Mounting Type: Surface Mount
• Package / Case: 20-SOIC (7.5mm Width)
• Operating Supply Voltage: 8 V to 20 V
• Supply Current: 50 uA
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Voltage - Load: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

L9903
Figure 4. Timing of the ISO-interface
Figure 5. Timing of the drivers for the external MOS regarding the inputs DIR and PWM
8/17
tr ansis tor at
op e n d r ain
0.55 • V V S
0.45 • V V S
PWM
K-pin
GHX
DIR
GLX
or
V
V
V R X
O N
O FF
TX
K
0.3 • V V C C
t KL
t K f
50%
80%
20%
80%
20%
0.3 • V V C C
t RXL
t
GLXHL
t
GHXLH
t
GLXf
t
GHXr
0.7 • V V C C
t KH
t K r
2 0 %
80 %
0.7 • V VC C
t RXH
0.3 • V V C C
I K > I K SC
t SH
t
GHXHL
t
GLXLH
t
GHXf
t
GLXr
t
t
t
t
t
t