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參數(shù)資料
| 型號(hào)： | SC1452XIMSTRT |
| 廠商： | Semtech Corporation |
| 英文描述： | Dual 150mA LDO Regulator with Programmable Reset |
| 中文描述： | 雙150mA的LDO穩(wěn)壓器，具有可編程復(fù)位 |
| 文件頁數(shù)： | 11/15頁 |
| 文件大?。?/td> | 299K |
| 代理商： | SC1452XIMSTRT |
11
2006 Semtech Corp.
www.semtech.com
SC1452
POWER MANAGEMENT
Typical Characteristics (Cont.)
Bypass Start-up Rise Time vs. Junction Temperature
vs. Input Voltage
Reset Threshold Voltage
vs. Junction Temperature
0.00
0.25
0.50
0.75
1.00
1.25
1.50
1.75
2.00
-50
-25
0
25
50
75
100
125
T
J
(°C)
t
r
C
BYP
= 10nF
V
IN
= 4V
V
IN
= 6.5V
88
89
90
91
92
93
94
-50
-25
0
25
50
75
100
125
T
J
(°C)
V
T
O
)
V
OUT
falling
V
OUT
rising
Reset Delay Times
vs. Junction Temperature
Delay Source Current and Voltage Threshold
vs. Junction Temperature
0
25
50
75
100
125
150
175
200
-50
-25
0
25
50
75
100
125
T
J
(°C)
t
R
t
RSTA
t
RSTB
, DLYB = 0V
t
RSTB
, C
DLYB
= 10nF
V
OUT
+ 1V
≤
V
IN
≤
6.5V
2.0
2.2
2.4
2.6
2.8
3.0
3.2
3.4
3.6
3.8
4.0
-50
-25
0
25
50
75
100
125
T
J
(°C)
I
D
1.225
1.230
1.235
1.240
1.245
1.250
1.255
1.260
1.265
1.270
1.275
V
T
V
OUT
+ 1V
≤
V
IN
≤
6.5V
V
TH(DLYB)
I
DLYB
Output Spectral Noise Density vs.
Frequency vs. Output Voltage
Output Spectral Noise Density vs. Frequency
vs. Output Capacitance
0.01
0.1
1
10
0.01
0.1
1
10
100
1000
f (kHz)
e
n
√
H
V
IN
= V
OUT
+ 1V
I
OUT
= 50mA
C
IN
= 1μF
C
BYP
= 10nF
C
OUT
= 2.2μF
T
J
= 25°C
Top to bottom:
V
OUT
= 3.3V
V
OUT
= 3.0V
V
OUT
= 2.8V
V
OUT
= 2.5V
V
OUT
= 1.8V
0.001
0.01
0.1
1
10
0.01
0.1
1
10
100
1000
f (kHz)
e
n
√
H
V
OUT
= 3V
V
IN
= 4V
I
OUT
= 50mA
C
BYP
= 10nF
C
IN
= 1μF
T
J
= 25°C
Left to right:
C
OUT
= 44μF
C
OUT
= 22μF
C
OUT
= 10μF
C
OUT
= 2.2μF
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PDF描述 |
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| SC1452XIMSTR | DUAL 150mA LDO REGULATOR WITH PROGRAMMABLE RESET |
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| SC1453 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:150mA Ultra Low Dropout Regulator with Low Noise Bypass |
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| SC1453-1.5ISKTR | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:150mA Ultra Low Dropout Regulator with Low Noise Bypass |
| SC1453-1.8ISKTR | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:150mA Ultra Low Dropout Regulator with Low Noise Bypass |
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