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參數(shù)資料
| 型號： | L4989 |
| 廠商： | 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 |
| 文件頁數(shù)： | 3/10頁 |
| 文件大?。?/td> | 584K |
| 代理商： | L4989 |
3/10
L4989
ABSOLUTE MAXIMUM RATINGS
Note:
Maximum ratings are absolute ratings; exceeding any one of these values may cause perma-nent damage to the integrated circuit.
THERMAL DATA
(*) with 6 sq. cm on board heat sink
ELECTRICAL CHARACTERISTICS (Vs = 5.6V to 31V, Tj = -40°C to +150°C unless otherwise specified)
Symbol
Parameter
Value
Unit
V
Vsdc
DC supply voltage
-0.3 to 40
V
I
Vsdc
Input current
internally limited
V
Vo
DC output voltage
-0.3 to 6
V
I
Vo
DC output current
internally limited
V
Wi
Watchdog input voltage
-0.3 to VVo + 0.3
V
V
od
Open drain output voltage (RES)
-0.3 to VVo + 0.3
V
I
od
Open drain output current (RES)
internally limited
V
cr
Reset delay voltage
-0.3 to VVo + 0.3
V
V
cw
Watchdog delay voltage
-0.3 to VVo + 0.3
V
V
WEn
Watchdog enable input
-0.3 to 40
V
T
j
Junction temperature
-40 to 150
°C
V
ESD
ESD voltage level (HBM-MIL STD 883C)
±
2
kV
Symbol
Parameter
SO8
SO12+4+4
Unit
R
th-j amb
Thermal Resistance Junction to ambient
130 to 180
50(*)
°C/W
Pin
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
GENERAL
Vo
V
o_ref
Output voltage
Vs=5.6 to 31V
Io=1 to 150mA
4.85
5.00
5.15
V
Vo
I
short_13
Short circuit current (1)
Vs=13.5V
160
210
250
mA
Vo
I
lim
Output current limitation (1)
Vs=13.5V
170
250
290
mA
Vs, Vo
V
line
Line regulation voltage
Vs=5.6 to 31V
Io=1 to 150mA
25
mV
Vo
V
load
Load regulation voltage
Io=1 to 150mA
25
mV
Vs, Vo
V
dp
Drop voltage
Io=150mA
180
400
mV
Vs, Vo
SVR
Ripple rejection
fr = 100 Hz
55
dB
Vs, Vo
I
qs_1
Current consumption
with watchdog not active
I
qs_1
= I
Vs
– I
o
Vs=13.5V, Io<1mA,
WEn low
69
115
μ
A
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