LT1767EMS8 Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
Fabricante
LT1767EMS8 Datasheet PDF : 16 Pages
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LT1767/LT1767-1.8/
LT1767-2.5/LT1767-3.3/LT1767-5
TYPICAL PERFOR A CE CHARACTERISTICS
SHDN Threshold vs Temperature
1.40
1.38
1.36
1.34
1.32
1.30
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1767 G04
Minimum Input Voltage for 2.5V Out
3.5
3.3
3.1
2.9
2.7
2.5
0.001
0.01
0.1
LOAD CURRENT (A)
1
1767 G07
Current Limit Foldback
2.0
40
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
SHDN Supply Current vs VIN
7
SHDN = 0V
6
5
4
3
2
1
0
0
5 10 15 20 25 30
VIN (V)
1767 G05
SHDN Supply Current
300
VIN = 15V
250
200
150
100
50
0
0 0.2 0.4 0.6 0.8 1 1.2 1.4
SHUTDOWN VOLTAGE (V)
1767 G08
Maximum Load Current,
VOUT = 5V
1.5
SHDN IP Current vs Temperature
–12
–10
SHUTTING DOWN
–8
–6
–4
STARTING UP
–2
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1767 G06
Input Supply Current
1200
1000
800
600
MINIMUM
INPUT
VOLTAGE
400
200
0
0
5 10 15 20 25 30
INPUT VOLTAGE (V)
1767 G09
Maximum Load Current,
VOUT = 2.5V
1.5
1.3
1.1
0.9
0.7
0.5
0
L = 4.7µH
1.3
L = 2.2µH
L = 1.5µH
5
10
15
20
25
INPUT VOLTAGE (V)
1767 G11
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
4
sn1767 1767fas
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