LT3466 Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
Fabricante
LT3466 Datasheet PDF : 20 Pages
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LT3466
TYPICAL PERFOR A CE CHARACTERISTICS
VFB vs VCTRL
250 VIN = 3V
TA = 25°C
200
150
100
50
0
0
0.5
1
1.5
2
CONTROL VOLTAGE (V)
3466 G03
VFB vs VCTRL
(Temperature Variation)
250
TA = –45°C
TA = 25°C ±5mV
200
TA = 85°C
150
100
50
0
0
0.5
1
1.5
2
CONTROL VOLTAGE (V)
3466 G17
Switch Saturation Voltage (VCESAT)
450
TA = 25°C
400 VCE1, VCE2
350
300
250
200
150
100
50
0
0 50 100 150 200 250 300 350 400
SWITCH CURRENT (mA)
3466 G04
Open-Circuit Clamp Voltage
vs VIN
40.5
TA = 25°C
RT = 63.4k
40.0
VOUT2
39.5
VOUT1
39.0
38.5
2 4 6 8 10 12 14 16 18 20 22 24
VIN (V)
3466 G07
Switch Current Limit vs Duty Cycle
500
450
TA = –50°C
TA = 25°C
400
TA = 85°C
350
300
250
200
150
100
50
0
0
20
40
60
80 100
DUTY CYCLE (%)
3466 G05
Open-Circuit Clamp Voltage
vs Temperature
42
VIN = 3.6V
RT = 63.4k
41
40
VOUT2
VOUT1
39
38
37
–50
0
50
TEMPERATURE (°C)
100
3466 G08
4
Distribution of VFB vs VCTRL
250 VIN = 3V
TA = 25°C
TYP
200
MAX
MIN
±4mV
150
100
±4mV
50
0
0
0.5
1
1.5
2
CONTROL VOLTAGE (V)
3466 G16
Shutdown Quiescent Current
(CTRL1 = CTRL2 = 0V)
100
90
TA = –50°C
80
TA = 25°C
70
60
TA = 100°C
50
40
30
20
10
0
2 4 6 8 10 12 14 16 18 20 22 24
VIN (V)
3466 G06
Input Current with Output 1 and
Output 2 Open Circuit
25
TA = 25°C
RT = 63.4k
20
15
10
5
0
2 4 6 8 10 12 14 16 18 20 22 24
VIN (V)
3466 G09
3466fa
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