LT8580 Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
Fabricante
LT8580
Linear Technology
LT8580 Datasheet PDF : 32 Pages
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LT8580
Typical Performance Characteristics TA = 25°C, unless otherwise specified
Switch Current Limit vs Duty Cycle
2.00
1.75
1.50
1.25
1.00
0.75
0.50
0.25
0
10 20 30 40 50 60 70 80 90
DUTY CYCLE (%)
8580 G01
Switch Saturation Voltage
700
600
500
400
300
200
100
0
0 0.25 0.5 0.75 1 1.25 1.5
SWITCH CURRENT (A)
8580 G02
Commanded Switch Current vs SS
2.0
1.5
1.0
0.5
0
0 0.2 0.4 0.6 0.8
SS VOLTAGE (V)
1 1.2
8580 G03
Switch Current Limit
vs Temperature
2.0
1.5
1.0
0.5
0
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
8580 G04
Positive and Negative Output
Voltage Regulation
1.220
30
1.215
25
1.210
20
1.205
15
1.200
10
1.195
5
1.190
0
1.185
–5
1.180
–10
1.175
–15
1.170
–20
–50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
8580 G05
Positive and Negative FBX Current
at Output Voltage Regulation
86
86
85
85
84
84
83
83
82
82
81
81
80
–50 –25
80
0 25 50 75 100 125 150
TEMPERATURE (°C)
8580 G06
Oscillator Frequency
1.8
1.6
RT = 56.2k
1.4
1.2
1.0
0.8
0.6
0.4
RT = 422k
0.2
0
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
8580 G07
8580f
4
For more information www.linear.com/LT8580
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