LT3489 Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
Fabricante
LT3489 Datasheet PDF : 12 Pages
| |||
LT3489
TYPICAL PERFOR A CE CHARACTERISTICS TA = 25°C unless otherwise noted.
Feedback Pin Voltage
1.27
1.26
1.25
1.24
1.23
1.22
1.21
–50 –25
0 25 50 75
TEMPERATURE (˚C)
100 125
3489 G01
Switch VCE(SAT) Voltage
600
500
400
300
200
100
0
1
–50°C
25°C
125°C
0.5
1.0
1.5
2.0
2.5
SWITCH CURRENT (A)
3489 G04
Oscillator Frequency
2.4
2.2
2.0
1.8
1.6
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3489 G02
Current Limit
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
–50 –25 0
25 50 75 100
TEMPERATURE (°C)
3489 03
Quiescent Current
4.0
3.5
3.0
2.5
Switching Waveform for
the Cover Page Circuit
VOUT
100mV/DIV
AC COUPLED
VSW
10V/DIV
2.0
1.5
1.0
–50 –25
0 25 50 75
TEMPERATURE (˚C)
100 125
3489 G05
IL
1A/DIV
VIN = 3.3V
200ns/DIV
AVDD = 8V
ILOAD, AVDD = 400mA
VON = 23V, 10mA
VOFF = –8V, 20mA
3489 G06
3489f
3
Share Link: 