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參數(shù)資料
| 型號(hào)： | L4989 |
| 廠(chǎng)商： | 意法半導(dǎo)體 |
| 英文描述： | LOW POWER VOLTAGE REGULATOR |
| 中文描述： | 低電源電壓調(diào)節(jié)器 |
| 文件頁(yè)數(shù)： | 4/10頁(yè) |
| 文件大?。?/td> | 584K |
| 代理商： | L4989 |
L4989
4/10
Note:
1. see fig1 (behavior of output current versus regulated voltage Vo)
RESET
2. When Vo becomes lower than 4V, the reset reaction time decreases down to 2 s assuring a faster reset condition in this particular
case.
Vs, Vo
I
qs_10
Current consumption
with watchdog not active
I
qs_10
= I
Vs
– I
o
Vs=13.5V,
Io=10mA,
WEn low
127
300
μ
A
Vs, Vo
I
qs_50
Current consumption
with watchdog not active
I
qs_50
= I
Vs
– I
o
Vs=13.5V, Io=50mA,
WEn low
498
900
μ
A
Vs, Vo
I
qs_150
Current consumption
with watchdog not active
I
qs_150
= I
Vs
– I
o
Vs=13.5V, Io=150mA,
WEn low
1.40
2
mA
Vs, Vo
I
qn_1
Current consumption
with watchdog active
I
qn_1
= I
Vs
– I
o
Vs=13.5V, Io<1mA,
WEn high
110
170
μ
A
Vs, Vo
I
qn_10
Current consumption
with watchdog active
I
qn_10
= I
Vs
– I
o
Vs=13.5V,
Io=10mA,
WEn high
168
350
μ
A
Vs, Vo
I
qn_50
Current consumption
with watchdog active
I
qn_50
= I
Vs
– I
o
Vs=13.5V,
Io=50mA,
WEn high
538
1000
μ
A
Vs, Vo
I
qn_150
Current consumption
with watchdog active
I
qn_150
= I
Vs
– I
o
Vs=13.5V,
Io=150mA,
WEn high
1.45
2.00
mA
Tw
Thermal protection temperature
150
190
°C
Tw_hy
Thermal protection temperature
hysteresis
10
°C
Pin
Symbol
Parameter
Test condition
min
typ
max
Unit
Res
Vres_l
Reset output low voltage
Rext = 5k
to Vo,
Vo > 1V
0.4
V
Res
I
Res_lkg
Reset output high leakage
current
V
Res
= 5V
1
μ
A
Res
R
Res
Internal Pull up resistance
versus Vo
10
20
40
k
Res
Vo_th
Reset threshold voltage
Vs = 5.6 to 31V Io = 1 to
150mA
6%
8%
10%
below
V
o_ref
Vcr
Vrhth
Reset timing low threshold
Vs =13.5V
10%
13%
16%
V
o_ref
Vcr
Vrlth
Reset timing high threshold
Vs =13.5V
44%
47%
50%
V
o_ref
Vcr
Icr
Charge current
Vs =13.5V
8
15
30
μ
A
Vcr
Idr
Discharge current
Vs =13.5V
8
15
30
μ
A
Res
trr_2
Reset reaction time (2)
Vo = V
o_
th
- 100mV
100
250
700
μ
s
Res
trd
Reset delay time
Vs =13.5V, Ctr =1nF
65
115
165
ms
Pin
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
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