L9903 Ver la hoja de datos (PDF) - STMicroelectronics
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L9903 Datasheet PDF : 17 Pages
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L9903
Table 5. Electrical Characteristcs
(8V < VVS < 20V, VEN = HIGH, -40°C ≤ TJ ≤ 150°C, unless otherwise specified. The voltages are refered to
GND and currents are assumed positive, when current flows into the pin
Symbol
Parameter
Test Condition
Supply (VS)
VVS OVH Overvoltage disable HIGH
threshold
VVS OVh Overvoltage threshold hysteresis 2)
VVS UVH Undervoltage disable HIGH
threshold
VVS UVh Undervoltage threshold
hysteresis 2)
IVSL Supply current
VEN = 0 ; VVS = 13.5V; TJ< 85°C
IVSH Supply current, pwm-mode
VVS= 13.5V; VEN= HIGH;
VDIR= LOW; S1 = S2 = GND
fPWM = 20kHz; CCBX = 0.1µF;
CGLX = 4.7nF; CGHX = 4.7nF;
RPR = 10kΩ; CPR = 150pF
IVSD Supply current, dc-mode
VVS= 13.5V; VEN= HIGH;
VDIR= LOW; S1 = S2 = GND
VPWM = LOW; CGHX = 4.7nF
RPR = 10kΩ; CPR = 150pF
Enable input (EN)
VENL Low level
VENH High level
VENh Hysteresis threshold 2)
REN Input pull down resistance
VEN = 5V
H-bridge control inputs (DIR, PWM)
VDIRL Input low level
VPWML
VDIRH Input high level
VPWMH
VDIRh Input threshold hysteresis 2)
VPWMh
RDIR Internal pull up resistance
RPWM to internal VCC 3)
VDIR = 0; VPWM = 0
DIAGNOSTIC output (DG)
VDG Output drop
IDG = 1mA
RDG Internal pull up resistance
to internal VCC 3)
VDG = 0V
Programmable cross conduction protection 4)
NPR Threshold voltage ratio VPRH/
VPRL
RPR = 10kΩ
IPR Current capability
VPR = 2V
ISO interface, transmission input (TX)
VTXL Input low level
Min.
20
6
3.5
16
3.5
16
10
1.8
-0.5
Typ.
22
1.6
0.66
8.1
5.8
1
50
1
50
20
2
Max.
24
7
50
13
10
1.5
100
1.5
100
0.6
40
2.2
1.5
Unit
V
V
V
V
µA
mA
mA
V
V
V
kΩ
V
V
V
kΩ
V
kΩ
mA
V
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