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參數(shù)資料
| 型號(hào)： | L9407F |
| 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)： | 3/11頁(yè) |
| 文件大小： | 124K |
| 代理商： | L9407F |
3/11
L9407F
THERMAL DATA
Symbol
Parameter
Value
Unit
R
th j-case
Thermal Resistance Junction to Case
0.6
°C/W
ELECTRICAL CHARACTERISTCS
(T
case
= -40oC ÷ 150oC; unless otherwise specified)
Symbol
Parameter
Test Condition
Min.
Typ.
Max
Unit
Vbat
Operating Supply Voltage
6
18
V
Ib-sinked
Supply Battery Current
50
mA
Ib-stby
Stand-by Current
Vbat = A+, DF = 12.5V
500
uA
Vreg
Regulated Volt. & Therm. Drift
Ialt=1A-0.9*Inom; Tcase=20oC;
1200<rpm<RPMMAX;
Vreg clamped at 14.8V Max. (Fig.3)
13.9
-4.5
14.35
-3.5
14.8
-2.5
V
mV/°C
fsw
Switching Frequency
preexcitation
30
400
Hz
Delta Vrpm
1500<rpm<RPMMAX; Ialt=5A;
Tcase=23oC
200
mV
Delta Vload
5A<Ialt<Inom; rpm=6000rpm;
Tcase=23oC
250
mV
Vreg
Reg. Voltage without Battery Ialt = 3A resistive; Tcase=25o;
2000<rpm<RPMMAX
12
16
V
Vov
D+ Drivers Disable Threshold
Voltage on pin A+ to have D+
OFF
18
22
V
Tj-sd
Thermal Shut-down
D+/DF = OFF STATE
180
200
220
oC
Tj-sd-hys
Thermal Shut-down hysteresis
D+/DF from OFF STATE (due to
thermal shutdown) to ON STATE
Tj-sd-2
Tj-sd-10
oC
Vuv
Low voltage detection
threshold
D+ low side driver ON after
diagnosis delay time
7.7
8.6
9.5
V
Vuv-hys
Low voltage detection
threshold hysteresis
D+ low side driver OFF without
delay
Vuv +
0.40
Vuv +
0.50
Vuv +
0.60
V
Ron LSD
Low Side Driver Rdson
T = 150oC; I = 4.5A
189
m
Ron LSD
Low Side Driver Rdson
T = 25oC; I = 7A
107
mOhm
Vf
Freewheeling diode DF
I=5A
2
V
If_SCTH
Short Circuit Threshold DF
DF = 12V; Tcase = -40oC
11
18
A
DF = 12V; Tcase = -25oC
8.5
18
A
DF = 12V; Tcase = -150oC
5.5
18
A
Vs1
Output Short to GROUND DF
Threshold
2.1
3.9
V
FS_duty
Pre-excitation F.S.D.F.
f = 333Hz +/- 15%
15.93
18.75
21.57
%
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