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參數(shù)資料
| 型號： | L4902A |
| 廠商： | 意法半導體 |
| 英文描述： | DUAL 5V REGULATOR WITH RESET AND DISABLE |
| 中文描述： | 5V的雙帶復位和禁用調(diào)節(jié)器 |
| 文件頁數(shù)： | 3/9頁 |
| 文件大?。?/td> | 113K |
| 代理商： | L4902A |
ABSOLUTE MAXIMUM RATINGS
Symbol
V
IN
Parameter
Value
28
60
Unit
V
V
DC Input Voltage
Transient Input Overvoltage (t = 40ms)
Output Current
Storage and Junction Temperature
I
o
Internally Limited
– 40 to 150
T
stg
, T
j
°
C
THERMAL DATA
Symbol
R
thj-case
Parameter
Value
4
Unit
°
C/W
Thermal Resistance Junction-case
Max
ELECTRICAL CHARACTERISTICS
(V
IN
= 14.4V,T
amb
= 25
o
C unlessotherwise specified))
Symbol
V
i
V
01
V
02 H
V
02 L
I
01
I
L01
I
02
V
i01
Parameter
TestConditions
Min.
Typ.
Max.
24
5.15
V
01
Unit
V
V
V
V
mA
μ
A
mA
V
V
V
V
mV
mV
mV
mV
mV
mA
DC Operating Input Voltage
Output Voltage 1
Output Voltage 2 HIGH
Output Voltage 2 LOW
Output Current 1 max.
Leakage Output 1 Current
Output Current 2 max.
Output 1 Dropout Voltage (*)
R Load 1k
R Load 1k
I
02
= – 5mA
V
01
= –100mV
V
IN
= 0, V
01
≤
3V
V
02
= –100mV
I
01
= 10mA
I
01
= 100mA
I
01
= 300mA
4.95
V
01
–0.1
5.05
5
0.1
300
1
300
0.7
0.8
1.1
6.4
250
5
5
40
50
0.8
1
1.4
V
IT
V
iTH
V
01
V
02
V
01
V
02
I
Q
Input Threshold Voltage
Input Threshold Voltage Hyst.
Line Regulation 1
Line Regulation 2
Load Regulation 1
Load Regulation 2
Quiescent Current
V
01
+ 1.2
V
01
+ 1.7
7V < V
IN
< 24V,I
01
= 5mA
7V < V
IN
< 24V,I
02
= 5mA
5mA < I
01
< 300mA
5mA < I
02
< 300mA
I
= I
02
≤
5mA
0 < V
IN
< 13V
7V < V
IN
< 13V V
02
LOW
7V < V
IN
< 13V V
02
HIGH
50
50
80
80
4.5
2.7
1.6
4.9
50
4.12
0.25
5
6.5
4.5
3.5
V
RT
V
RTH
V
RH
V
RL
t
RD
t
d
V
DT
I
D
Reset Threshold Voltage
Reset Threshold Hysteresis
Reset Output Voltage HIGH
Reset Output Voltage LOW
Reset Pulse Delay
Timing Capacitor Discharge Time
V
02
Disable Threshold Voltage
V
02
Disable Input Current
V
02
– 0.15
30
V
02
– 1
V
02
– 0.05
80
V
02
0.4
11
20
2.4
V
mV
V
V
ms
μ
s
V
μ
A
μ
A
I
R
= 500
μ
A
I
R
= – 1mA
C
t
= 10nF
C
t
= 10nF
3
1.25
– 150
– 30
V
D
≤
0.4V
V
D
≥
2.4V
V
01
T
V
02
T
SVR1
Thermal Drift
– 20
°
C
≤
T
amb
≤
125
°
C
0.3
– 0.8
mV/
°
C
Thermal Drift
– 20
°
C
≤
T
amb
≤
125
°
C
0.3
– 0.8
mV/
°
C
Supply Voltage Rejection
f = 100Hz V
R
= 0.5V
Io = 100mA
50
84
dB
SVR2
Supply Voltage Rejection
50
80
dB
* The dropoutvoltage is defined as thedifference between theinput and the outputvoltage when the output voltage is loweredof 25 mV under
constant output currentcondition.
L4902A
3/9
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