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L9473 датащи(PDF) 6 Page - STMicroelectronics

номер детали L9473
подробное описание детали  CAR ALTERNATOR VOLTAGE REGULATOR
PDF  9 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9473 датащи(HTML) 6 Page - STMicroelectronics

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Table 8. REGULATION FEATURES
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
VL-PD
L Terminal Regulator Activate
Threshold
VGO=12.6V
0.8
1
1.15
V
IL-PD
L Terminal Pull Down Current
VL = VL-ACT
VGO=12.6V
0.09
0.78
mA
VP-IR
Initiate Regulation Phase Voltage
Threshold
Regulator Activated
1.1
1.3
1.5
V
IP
Phase Terminal Current Sink
VP > 1.5V and < 12.6V
VGO = 12.6V
0.25
3.5
mA
FP-IR
Initiate Regulation Phase
Frequency
123
145
167
Hz
FP-TR
Terminate Regulation Phase
Frequency
59
72
86
Hz
IRD
Initiate Regulation Delay
Regulator Activated, VP-IR AND
FP-IR Conditions Met First Time.
2.533.5
s
FSDC
Field Strobe Duty Cycle
Regulator Activated AND
(Regulation Terminated OR
Regulation NOT Initiated)
16
18.75
22
%
LRC
Load Response Control Rate
Field Drive Duty Cycle Increase
8.5
10
11.5
%/s
FP-LRC
LRC Transition Frequency
LRC Enabled if FP < FP-LRC
255
300
345
Hz
SS
Soft-Start
LRC enabled until VSP reached
regardless other conditions
34
40
46
%/s



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