參數(shù)資料
型號: LTC1551LCS8-4.1
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: Low Noise, Switched Capacitor Regulated Voltage Inverters
中文描述: SWITCHED CAPACITOR REGULATOR, 900 kHz SWITCHING FREQ-MAX, PDSO8
封裝: 0.150 INCH, PLASTIC, SOP-8
文件頁數(shù): 4/12頁
文件大?。?/td> 271K
代理商: LTC1551LCS8-4.1
4
LTC1550L/LTC1551L
TYPICAL PERFOR
M
A
CE CHARACTERISTICS
U
Supply Current vs Temperature
Oscillator Frequency vs
Temperature
OUTPUT VOLTAGE (V)
–5
P
6.0
5.6
5.2
4.8
4.4
4.0
3.6
3.2
2.8
2.4
2.0
–1
1550L/51L G03
–4
–3
–2
0
I
OUT
= 20mA
I
OUT
= 10mA
I
OUT
= 5mA
Minimum Required V
CC
vs V
OUT
and I
OUT
TEMPERATURE (C)
–55 –35 –15
5
25
45
65
85 105 125
O
875
925
975
1550L/51L G01
825
775
725
675
V
CC
= 5V
V
OUT
= –4.1V
TEMPERATURE (
°
C)
S
1550L/51L G02
V
CC
= 5V
V
OUT
= –4.1V
–55 –35 –15
5
25
45
65
85 105 125
5.0
4.5
4.0
3.5
3.0
2.5
Reference Voltage vs V
CC
+ |V
OUT
|
Start-Up Time vs Supply Voltage
Maximum Output Current
vs Supply Voltage
Load Transient Response
(See Figure 3, V
CC
= 5V)
Line Transient Response
(See Figure 3, I
L
= 10mA)
5V
0V
–4.1V
V
OUT
SHDN
0.2ms/DIV
1550/51 G07
Startup Time (LTC1550L Shown)
0V
5V
0V
POWER VALID
0mA
1ms/DIV
1550/51 G08
10mA
V
5mV/DIV
AC
COUPLED
I
OUT
4.75V
2ms/DIV
1550/51 G09
V
5mV/DIV
AC
COUPLED
5.25V
V
CC
SUPPLY VOLTAGE (V)
2.25
2.75
3.25
3.75
4.25
4.75
5.25
M
1550L/51L G04
80
70
60
50
40
30
20
10
0
T
A
= 25
°
C
V
OUT
= –2V
V
OUT
= –2.5V
V
OUT
= –4.1V
SUPPLY VOLTAGE (V)
2.25
2.75
3.25
3.75
4.25
4.75
5.25
S
1550L/51L G05
2.5
2.0
1.5
1.0
0.5
0
T
A
= 25
°
C
V
OUT
= –2V
R
L
= 390
V
OUT
= –4.1V
R
L
1.24
1.238
1.236
1.234
1.232
1.230
1.228
1.226
1.224
1.222
1.220
1.218
V
CC
+ |V
OUT
| (V)
4
5
6
7
8
9
10
4.5
5.5
6.5
7.5
8.5
9.5
R
1550L/51L G06
T
A
= 25
°
C
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