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参数资料
| 型号： | L9903TR |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 运动控制电子 |
| 英文描述： | BRUSH DC MOTOR CONTROLLER, PDSO20 |
| 封装： | SO-20 |
| 文件页数： | 12/17页 |
| 文件大小： | 269K |
| 代理商： | L9903TR |
L9903
4/17
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
Min.
Typ.
Max.
Unit
Supply (VS)
VVS OVH
Overvoltage disable HIGH
threshold
20
22
24
V
VVS OVh
Overvoltage threshold hysteresis 2)
1.6
V
VVS UVH
Undervoltage disable HIGH
threshold
67
V
VVS UVh
Undervoltage threshold
hysteresis 2)
0.66
V
IVSL
Supply current
VEN = 0 ; VVS = 13.5V; TJ< 85°C
50
A
IVSH
Supply current, pwm-mode
VVS= 13.5V; VEN= HIGH;
VDIR= LOW; S1 = S2 = GND
fPWM = 20kHz; CCBX = 0.1F;
CGLX = 4.7nF; CGHX = 4.7nF;
RPR = 10k
; CPR = 150pF
8.1
13
mA
IVSD
Supply current, dc-mode
VVS= 13.5V; VEN= HIGH;
VDIR= LOW; S1 = S2 = GND
VPWM = LOW; CGHX = 4.7nF
RPR = 10k
; CPR = 150pF
5.8
10
mA
Enable input (EN)
VENL
Low level
1.5
V
VENH
High level
3.5
V
VENh
Hysteresis threshold 2)
1V
REN
Input pull down resistance
VEN = 5V
16
50
100
k
H-bridge control inputs (DIR, PWM)
VDIRL
VPWML
Input low level
1.5
V
VDIRH
VPWMH
Input high level
3.5
V
VDIRh
VPWMh
Input threshold hysteresis 2)
1V
RDIR
RPWM
Internal pull up resistance
to internal VCC 3)
VDIR = 0; VPWM = 0
16
50
100
k
DIAGNOSTIC output (DG)
VDG
Output drop
IDG = 1mA
0.6
V
RDG
Internal pull up resistance
to internal VCC 3)
VDG = 0V
10
20
40
k
Programmable cross conduction protection 4)
NPR
Threshold voltage ratio VPRH/
VPRL
RPR = 10k
1.822.2
IPR
Current capability
VPR = 2V
-0.5
mA
ISO interface, transmission input (TX)
VTXL
Input low level
1.5
V
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