參數(shù)資料
型號(hào)： L9484
廠商： 意法半導(dǎo)體
英文描述： CAR ALTERNATOR VOLTAGE REGULATOR
中文描述： 汽車發(fā)電機(jī)電壓調(diào)節(jié)器
文件頁(yè)數(shù)： 3/8頁(yè)
文件大小： 100K
代理商： L9484
3/8
L9484
°C (for example, Field Drive shall be capable of
≥
7.2A at 100°C).
ELECTRICAL CHARACTERISTCS
(T
case
= -35°C to +150°C continuous unless otherwise specified)
Symbol
Parameter
V
OS
Operating Supply Voltage
V
OS
Operating Supply Voltage
I
SB
Stand-By Current
Test Condition
Min.
8
10
Typ.
Max.
Vov
Vov
300
Unit
V
V
μ
A
T
case
= +25
°
C to =150
°
C
T
case
= -40
°
C to +25
°
C
V
GO
= 12.6V; T
case
= 25
°
C; 10k
V
GO
to TS; F+, G & Tab (Slug)
Grounded; L, DF, & P
unconnected; Regulator NOT
Activated.
10k
between V
GO
and TS
NTC thermistor with R
25
°
C
=
10k
; T
j
= 90°C
No battery, I
OUT
= 2A to 50%
Max. Load
Voltage @ V
GO
6500 grpm, 10% to 95% load
15A load, 2000 to 20,000 grpm
V
SP
V
SP
Regulator Set-Point
Curve shown in Fig. 2
Regulator Set-Point
Curves shown in Fig. 3
(with MURATA NTC NTH4G39A1)
V
NB
Generator Output, No Battery
V
SP
- 2
V
SP
+
2
V
T
C
V
LR
V
SR
V
F-ON
Thermal Compensation
Load Regulation
Speed Regulation
Curves shown in Figs. 2, 3
300
100
mV
mV
Output Saturation Voltage
I
F
= 6A, V
GO
= 14.0V, T
case
=
25
°
C
I
F
= 5A, V
GO
= 13.5V, T
case
=
125
°
C
Current F+ Terminal to Gnd.
@ T
case
≤
25
°
C
Current F+ Terminal to Gnd.
@ T
case
= +150
°
C
Current measured @ generator
output
I
F
= 6A, T
case
= 25
°
C
V
R
= 20V
During LRC operation
I
DF
≤
10mA
V
DF
< 25V
V
DF
= 32 - 35V; thru 2.2k
V
DF
= 32 - 35V; thru 2.2k
750
mV
V
F-ON
Output Saturation Voltage
850
mV
I
F-LIM
Field Limit Current
1
9.0
A
I
F-LIM
Field Limit Current
1
6.0
A
I
G-MIN
Min. Generator Current Load
0.5
A
V
D-F
I
D-R
F
OSC
V
DF
I
DF-LK
F
TURBO
F
TURBO
Field Discharge Diode
Diode Reverse Current
Oscillation Frequency
1.85
1
460
V
mA
Hz
340
400
DF Saturation Voltage
DF Output Leakage Current
Internal Clock Frequency
0.8
10
V
μ
A
Hz
4X
÷
16
IRD, SS, LRC Rate
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