データシート検索エンジンとフリーデータシート
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コンポーネント説明
LTC1705 データシートの表示(PDF) - Linear Technology
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コンポーネント説明
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LTC1705
Dual 550kHz Synchronous Switching Regulator Controller with 5-Bit VID and 150mA LDO
Linear Technology
LTC1705 Datasheet PDF : 28 Pages
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LTC1705
TYPICAL PERFOR A CE CHARACTERISTICS
V
SENSEC
vs Temperature
1.315
1.310
V
CC
= 5V
V
OUT
= 1.3V
1.305
1.300
1.295
1.290
1.285
–50 –25
0 25 50 75
TEMPERATURE (
°
C)
100 125
1705 G01
V
SENSEC
Load Regulation
0.8
0.05
T
A
= 25
°
C
V
OUT
= 1.6V
0
0
–0.8
–0.05
–1.6
–0.10
–2.4
–0.15
–3.2
0
3
6
9
I
LOAD
(A)
V
FBIO
vs Temperature
0.810
V
CC
= 5V
0.806
–0.20
12
15
1705 G03
0.802
0.798
0.794
0.790
–50 –25
0 25 50 75
TEMPERATURE (
°
C)
100 125
1705 G05
V
SENSEC
Line Regulation
1.30
1.04
T
A
= 25
°
C
0.78
0.52
0.26
0
–0.26
–0.52
–0.78
–1.04
–1.30
3 3.5 4 4.5 5
V
CC
(V)
0.10
0.08
0.06
0.04
0.02
0
–0.02
–0.04
–0.06
–0.08
–0.10
5.5 6
1705 G02
Core Supply Efficiency
100
V
OUT
= 2V
90
V
OUT
= 1.6V
80
V
OUT
= 0.9V
70
60
V
IN
= 5V, T
A
= 25
°
C, I/O DISABLED
QTC = QBC = 2
×
FDS6670A
50
0
3
6
9
12
15
I
LOAD
(A)
1705 G04
V
FBIO
Line Regulation
0.80
0.64
T
A
= 25
°
C
0.48
0.32
0.16
0
–0.16
–0.32
–0.48
–0.64
–0.80
3 3.5 4 4.5 5
V
CC
(V)
0.10
0.08
0.06
0.04
0.02
0
–0.02
–0.04
–0.06
–0.08
–0.10
5.5 6
1705 G06
4
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