參數(shù)資料
型號(hào)： L9911
廠商： 意法半導(dǎo)體
英文描述： CAR ALTERNATOR MULTIFUNCTION SMART VOLTAGE REGULATOR
中文描述： 多功能智能汽車發(fā)電機(jī)電壓調(diào)節(jié)器
文件頁(yè)數(shù)： 3/15頁(yè)
文件大小： 186K
代理商： L9911
3/15
L9911
Table 5. ELECTRICAL CHARACTERISTCS
(T
j
= -40°C to 150°C; unless otherwise specified)
Symbol
Vbat
Ib-sinked
Ib-stby
Vreg 1
Parameter
Test Condition
Min.
7
Typ.
Max.
18
25
500
14.8
-2.5
14.65
-8.2
14.65
-2
200
Unit
V
mA
μ
A
V
mV/°C
V
mV/°C
V
mV/°C
mV
Operating Supply Voltage
Supply Battery Current
Stand-by Current
Regulated Voltage & Thermal
Drift.
3 configurations available,
selectable by mask option
(see Table.8).
B+ = 12.5V, F+ = 0V
Ialt=1A-0.9*Inom; Tcase=20oC;
1400<rpm<RPMMAX (Fig. 3)
Ialt=10A; Tcase=23oC;
rpm=6000rpm;15V max (Fig. 4)
Ialt=10A; Tcase=23oC;
rpm=6000rpm (Fig. 5)
1400<rpm<RPMMAX; Ialt=10A
14.0
-4.5
14.35
-11.8
14.35
-6
14.4
-3.5
14.5
-10
14.5
-4
Vreg 2
Vreg 3
Delta
Vrpm
Delta
Vload
Vreg-less
5A<Ialt<Inom; rpm=6000rpm
250
mV
Reg. Voltage without Battery
Ialt = 3A resistive; Tcase=25o;
2000<rpm<RPMMAX
Voltage on pin
B+ to disable L
drivers
VB+ to turn on L low side driver at
VF+ > VS1
Temperature to disable F+, DFM, L
(high & low side drivers)
L/F+/DFM from OFF STATE (due to
thermal shutdown) to ON STATE
VB+ to turn on L low side driver
12
16
V
Vov-p
Overvoltage protection
threshold
High and low
side driver off
18
22
V
Vov-d
Overvoltage diagnosis
threshold
Thermal shutdown threshold
Vreg -
5%
160
Vreg
Vreg +
5%
190
V
Tj-sd
175
oC
Tj-sd-dwn
Thermal Shut-down
hysteresis
Under voltage diagnosis
threshold
Tj-sd-
10
7.7
Tj-sd-2
oC
Vuv-1
8.6
9.5
V
Vuv-up
VB+ to turn off L low side driver
Vuv +
0.40
Vuv +
0.50
Vuv +
0.60
0.6
0.55
2
18
18
18
5.5
V
VF+_sat
Field driver saturation voltage Tj = 150oC; I = 4.5A
V
V
V
A
A
A
V
Tj = 25oC; I = 7A
I=5A
F+ = 0V; Tj = -40oC
F+ = 0V; Tj = -25oC
F+ = 0V; Tj = -150oC
Vf
Freewheeling diode F+
Field short circuit driver
protection threshold current
(see fig. 16
If_SCTH
11
8.5
5.5
4.5
Vs1
Field driver ON-state
detection
Pre-excitation frequency
Pre-excitation Field driver
ON-duty
Output Voltage Rise Time
Output Voltage Fall Time
Field switching frequency
f-pre
Duty-pre
283
15.93
333
18.75
383
21.57
Hz
%
t-rise
t_fall
Fsw_F+
Ifield = 3A resistive (Fig. 7)
Ifield = 3A resistive (Fig. 7)
Ialt=1A~0.9*Inom;1400rpm<rpm<R
PMMAX
B+ = 24V; VF+ = 0
10
10
250
50
50
400
μ
s
μ
s
Hz
If_leak
Output Field Driver Leakage
Current
10
μ
A
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L9911A 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:CAR ALTERNATOR MULTIFUNCTION SMART VOLTAGE REGULATOR
L9911B 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:CAR ALTERNATOR MULTIFUNCTION SMART VOLTAGE REGULATOR
L9911F 功能描述:低壓差穩(wěn)壓器 - LDO Car Alternator Reg Multifunction Volt RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
L9911I 功能描述:低壓差穩(wěn)壓器 - LDO Car Alternator Reg Multifunction Volt RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
L9911K 功能描述:低壓差穩(wěn)壓器 - LDO Multi Smart Volt REG DC 24V 4W 7 to 18V RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
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