LT1767EMS8-2.5-TRPBF 데이터 시트보기 (PDF) - Linear Technology
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LT1767EMS8-2.5-TRPBF Datasheet PDF : 20 Pages
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LT1767/LT1767-1.8/
LT1767-2.5/LT1767-3.3/LT1767-5
TYPICAL PERFORMANCE Characteristics TA = 25°C, unless otherwise noted.
MMiinniimmuumm IInnppuutt VVoollttaaggee,, 33..33VV OOuutt
7.0
BOOST DIODE TIED TO VOUT
6.5
BOOST DIODE TIED TO VIN
6.0
5.5
5.0
TO START
4.5
SHDN Supply Current
300
VIN = 15V
250
200
150
Input Supply Current
1200
1000
800
600
MINIMUM
INPUT
VOLTAGE
4.0
100
400
3.5
TO RUN
50
200
3.0
2.5
1
10
100
LOAD CURRENT (mA)
1k
1767 G07
0
0 0.2 0.4 0.6 0.8 1 1.2 1.4
SHUTDOWN VOLTAGE (V)
1767 G08
0
0
5 10 15 20
INPUT VOLTAGE (V)
25 30
1767 G09
Current Limit Foldback
2.0
Maximum Load Current,
VOUT = 5V
40
1.5
Maximum Load Current,
VOUT = 2.5V
1.5
1.5
30
SWITCH CURRENT
1.0
20
0.5
10
FB CURRENT
0
0
0 0.2 0.4 0.6 0.8 1 1.2
FEEDBACK VOLTAGE (V)
1767 G10
1.3
1.1
0.9
0.7
0.5
0
L = 4.7µH
L = 2.2µH
L = 1.5µH
5
10
15
20
25
INPUT VOLTAGE (V)
1767 G11
1.3
1.1
0.9
0.7
0
L = 4.7µH
L = 2.2µH
L = 1.5µH
5
10
15
20
25
INPUT VOLTAGE (V)
1767 G12
For more information www.linear.com/LT1767
1767fb
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