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參數(shù)資料
| 型號： | L9473J |
| 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 |
| 文件頁數(shù)： | 3/9頁 |
| 文件大小： | 719K |
| 代理商： | L9473J |
3/9
L9473
Notes: 1. The Field Drive capability shall not decrease as a function of temperature between 25°C and 150°C, at a rate faster than -0.024A/
°C (for example, Field Drive shall be capable of
≥
7.2A at 100°C).
Table 5. ELECTRICAL CHARACTERISTCS
(T
case
= -35°C to +150°C continuous unless otherwise specified)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
V
OS
Operating Supply Voltage
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.
8
Vov
V
V
OS
Operating Supply Voltage
10
Vov
V
I
SB
Stand-By Current
300
μ
A
V
SP
Regulator Set-Point
10k
between V
GO
and TS
Curve shown in Fig. 2
V
SP
Regulator Set-Point
NTC thermistor with R
25
°
C
=
10k
; T
j
= 90°C
Curves shown in Fig. 3
(with MURATA NTC NTH4G39A1)
V
NB
Generator Output, No Battery
No battery, I
OUT
= 2A to 50%
Max. Load
V
SP
- 2
V
SP
+
2
V
T
C
Thermal Compensation
Voltage @ V
GO
Curves shown in Figs.4, 5
V
LR
Load Regulation
6500 grpm, 10% to 95% load
300
mV
V
SR
Speed Regulation
15A load, 2000 to 20,000 grpm
100
mV
V
F-ON
Output Saturation Voltage
I
F
= 6A, V
GO
= 14.0V, T
case
=
25
°
C
750
mV
V
F-ON
Output Saturation Voltage
I
F
= 5A, V
GO
= 13.5V, T
case
=
125
°
C
850
mV
I
F-LIM
Field Limit Current
1
Current F+ Terminal to Gnd.
@ T
case
≤
25
°
C
9.0
A
I
F-LIM
Field Limit Current
1
Current F+ Terminal to Gnd.
@ T
case
= +150
°
C
6.0
A
I
G-MIN
Min. Generator Current Load
Current measured @ generator
output
0.5
A
V
D-F
Field Discharge Diode
I
F
= 6A, T
case
= 25
°
C
1.85
V
I
D-R
Diode Reverse Current
V
R
= 20V
1
mA
F
OSC
Oscillation Frequency
During LRC operation
340
400
460
Hz
V
DF
DF Saturation Voltage
I
DF
≤
10mA
0.8
V
I
DF-LK
DF Output Leakage Current
V
DF
< 25V
V
DF
= 32 - 35V; thru 2.2k
10
μ
A
F
TURBO
Internal Clock Frequency
4X
Hz
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