参数资料
型号: LR478-2.5-S08-R
厂商: UNISONIC TECHNOLOGIES CO LTD
元件分类: 电源管理
英文描述: POWER SUPPLY SUPPORT CKT, PDSO8
封装: SOP-8
文件页数: 7/8页
文件大小: 133K
代理商: LR478-2.5-S08-R
LR478
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
7 of 8
www.unisonic.com.tw
QW-R112-001,B
TYPICAL CHARACTERISTICS
5
23
4
1
0
3
5
2
1
O
ut
put
Vol
tage
(
V
)
Input Voltage (V)
Detection Voltage
4
0
VOUT
RESET
IOUT =0mA
25
50
0
-25
3.42
3.5
3.38
3.34
Ou
tp
ut
Vo
ltag
e
(V)
Temperature ( )
Output Volttage vs Temperature
3.46
3.3
3.48
3.44
3.4
3.36
3.32
100
75
125
9
67
8
5
4
20
-10
Line
Re
gulat
ion
(m
V)
Input Voltage (V)
Line Regulation
10
-20
10
15
5
0
-5
-15
Lo
ad
Reg
ul
at
io
n(m
V)
Output Current (mA)
300
250
100
150
200
50
0
30
-10
Load Regulation
10
20
0
-20
-30
1000
10000
100
10
60
100
40
20
Rippl
eRejec
tion
(d
B)
Frequency (Hz)
Ripple Rejection
80
0
90
70
50
30
10
100000
Out
pu
tVol
tage
(V
)
Temperature ( )
Detecting Volttage vs Temperature
25
50
0
-25
4.22
4.3
4.18
4.14
4.26
4.1
4.28
4.24
4.2
4.16
4.12
100
75
125
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