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L9911 数据表(PDF) 4 Page - STMicroelectronics

部件名 L9911
功能描述  CAR ALTERNATOR MULTIFUNCTION SMART VOLTAGE REGULATOR
PDF  15 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L9911 数据表(HTML) 4 Page - STMicroelectronics

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L9911
4/15
DUTY-PR
Phase regulation max field
ON duty
Fig. 8
26.56
31.25
35.94
%
VH_SAT
High Side Driver Saturation
Voltage (Fig. 10)
With driver Isource=500mA
1.5
V
VL_SAT
Low Side Driver Saturation
Voltage (Fig. 10)
With driver Isink=500mA
1.5
V
VLSB
Selfbias without supply Lamp
driver Voltage
B+ open; L connected to 12V
through a 50 Ohm resistor
4V
IHSC
High Side Driver short circuit
current protection
B+ = 12.5V; L = GND
1.2
3
A
ILSC
Low Side Driver short circuit
current (see fig. 16)
B+ = L = 12.5V
1
2
A
VthL
Enable Regulator Supply
Voltage Threshold
0.8
1.15
Ipd_L
L terminal Pull-down Current
when the generator is not
rotating
VL = 0.6V
0.4
3.5
mA
I_L_sink
L sink current when the
generator is rotating
P frequency 500Hz; VB+ = 12V
100
µA
t-D
Diagnostic Alarm Delay Time
0.2
0.5
s
Vcan-DFM Test mode to cancel soft
start/ attack (voltage)
(Fig. 11)
30
50
V
tcan-DFM
Test mode delay time
(Fig. 11)
25
ms
VPHL1
Enable control voltage input
high threshold
square wave f = 1KHz
0.35
V
VPHL2
Enable control voltage input
low threshold
square wave f = 1KHz
0.25
V
t_PHL1
Enable Control Voltage
Phase Filtering Time
50
115
µs
VPHH1
Diagnosis phase loss input
high threshold
89
10
V
VPHH2_1
Diagnosis phase loss input
low threshold
6.4
7.4
8.4
V
tPHd
Diagnostic Phase Filtering
Time
50
100
µs
I_Pd-P1
Phase Pull-down Current
VP = 0.8V
1
8
mA
f-dfm
DFM Output open drain
switching freq.
Ialt=1A~0.9*Inom;1400rpm<rpm<R
PMMAX; I_sink=14mA
125
200
Hz
VL-DFM
Output low voltage saturation
I-sink=14mA
1.5
V
I-SC_DFM Short circuit current
protection
VB+ = VDFM = 12.5V
50
400
mA
Ilk-DFM
Output leakage current
VDFM=16V at DFM driver OFF
5
µA
t-TM
Output voltage rise time
R=1K Ohm (Fig. 7)
0.5
50
µs
t-TD
Output voltage fall time
R=1K Ohm (Fig. 7)
0.5
50
µs
Table 5. ELECTRICAL CHARACTERISTCS (continued)
(Tj = -40°C to 150°C; unless otherwise specified)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit



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