LT1310 Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
Fabricante
LT1310 Datasheet PDF : 12 Pages
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TYPICAL PERFOR A CE CHARACTERISTICS
LT1310
Feedback Voltage
1.27
1.26
1.25
1.24
1.23
1.22
–50 –25 0
25 50
TEMPERATURE (°C)
75 100
1310 G01
Oscillator Frequency
vs CT Capacitor
6000
PLL-LPF = HIGH
5000
4000
3000
2000
1000
20
40
60
80
100
CAPACITOR (pF)
LT1372 • G10
Oscillator Frequency
220pF Capacitor on CT Pin
1600
PLL-LPF = HIGH
1400
1200
1000
800
600
400
200
–50 –25
0 25 50
TEMPERATURE (°C)
75 100
1310 G07
Feedback Pin Current
140
120
100
80
60
40
20
0
–50 –25
0 25 50
TEMPERATURE (°C)
75 100
1310 G02
Oscillator Frequency
vs CT Capacitor
2000
PLL-LPF = HIGH
1600
1200
800
400
0
100 300 500 700 900 1100
CAPACITOR (pF)
1310 G05
Oscillator Frequency
47pF Capacitor on CT Pin
3800
PLL-LPF = HIGH
3500
3200
2900
2600
2300
2000
–50 –25 0
25 50
TEMPERATURE (°C)
75 100
1310 G08
Undervoltage Lockout
2.80
2.75
2.70
2.65
2.60
2.55
2.50
–50 –25 0
25 50
TEMPERATURE (°C)
75 100
1310 G03
Oscillator Frequency
vs Feedback Voltage
1400
220pF CT CAPACITOR
1200
1000
800
600
400
200
0
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4
FEEDBACK (V)
1310 G06
Maximum Duty Cycle
vs Oscillator Frequency
100
90
100°C
25°C
80
–50°C
70
60
50
500 1000 1500 2000 2500 3000 3500 4000
OSCILLATOR FREQENCY (kHz)
1310 G09
sn1310 1310fs
3
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