參數(shù)資料
型號(hào)： L9911B
廠商： STMICROELECTRONICS
元件分類： 運(yùn)動(dòng)控制電子
英文描述： BRUSH DC MOTOR CONTROLLER, SFM8
封裝： LEAD FREE, MULTIWATT-8
文件頁(yè)數(shù)： 9/15頁(yè)
文件大?。?/td> 241K
代理商： L9911B
3/15
L9911
Table 5. ELECTRICAL CHARACTERISTCS
(Tj = -40°C to 150°C; unless otherwise specified)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
Vbat
Operating Supply Voltage
7
18
V
Ib-sinked
Supply Battery Current
25
mA
Ib-stby
Stand-by Current
B+ = 12.5V, F+ = 0V
500
A
Vreg 1
Regulated Voltage & Thermal
Drift.
3 configurations available,
selectable by mask option
(see Table.8).
Ialt=1A-0.9*Inom; Tcase=20C;
1400<rpm<RPMMAX (Fig. 3)
14.0
-4.5
14.4
-3.5
14.8
-2.5
V
mV/°C
Vreg 2
Ialt=10A; Tcase=23C;
rpm=6000rpm;15V max (Fig. 4)
14.35
-11.8
14.5
-10
14.65
-8.2
V
mV/°C
Vreg 3
Ialt=10A; Tcase=23C;
rpm=6000rpm (Fig. 5)
14.35
-6
14.5
-4
14.65
-2
V
mV/°C
Delta
Vrpm
1400<rpm<RPMMAX; Ialt=10A
200
mV
Delta
Vload
5A<Ialt<Inom; rpm=6000rpm
250
mV
Vreg-less
Reg. Voltage without Battery
Ialt = 3A resistive; Tcase=25;
2000<rpm<RPMMAX
12
16
V
Vov-p
Overvoltage protection
threshold
Voltage on pin
B+ to disable L
drivers
High and low
side driver off
18
22
V
Vov-d
Overvoltage diagnosis
threshold
VB+ to turn on L low side driver at
VF+ > VS1
Vreg -
5%
Vreg
Vreg +
5%
V
Tj-sd
Thermal shutdown threshold
Temperature to disable F+, DFM, L
(high & low side drivers)
160
175
190
C
Tj-sd-dwn
Thermal Shut-down
hysteresis
L/F+/DFM from OFF STATE (due to
thermal shutdown) to ON STATE
Tj-sd-
10
Tj-sd-2
C
Vuv-1
Under voltage diagnosis
threshold
VB+ to turn on L low side driver
7.7
8.6
9.5
V
Vuv-up
VB+ to turn off L low side driver
Vuv +
0.40
Vuv +
0.50
Vuv+
0.60
V
VF+_sat
Field driver saturation voltage Tj = 150C; I = 4.5A
0.6
V
Tj = 25C; I = 7A
0.55
V
Vf
Freewheeling diode F+
I=5A
2
V
If_SCTH
Field short circuit driver
protection threshold current
(see fig. 16
F+ = 0V; Tj = -40C
11
18
A
F+ = 0V; Tj = -25C
8.5
18
A
F+ = 0V; Tj = -150C
5.5
18
A
Vs1
Field driver ON-state
detection
4.5
5.5
V
f-pre
Pre-excitation frequency
283
333
383
Hz
Duty-pre
Pre-excitation Field driver
ON-duty
15.93
18.75
21.57
%
t-rise
Output Voltage Rise Time
Ifield = 3A resistive (Fig. 7)
10
50
s
t_fall
Output Voltage Fall Time
Ifield = 3A resistive (Fig. 7)
10
50
s
Fsw_F+
Field switching frequency
Ialt=1A~0.9*Inom;1400rpm<rpm<R
PMMAX
250
400
Hz
If_leak
Output Field Driver Leakage
Current
B+ = 24V; VF+ = 0
10
A
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