LT3465A Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
Fabricante
LT3465A Datasheet PDF : 12 Pages
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LT3465A
TYPICAL PERFOR A CE CHARACTERISTICS
Switch Saturation Voltage (VCESAT)
450
TA = 25°C
400
350
300
250
200
150
100
50
0
0 50 100 150 200 250 300 350
SWITCH CURRENT (mA)
3465 G01
VFB vs VCTRL
250 TA = 25°C
200
150
100
50
0
0
0.5
1
1.5
2
CONTROL VOLTAGE (V)
3465 G04
Switching Waveforms
VSW
10V/DIV
IL
50mA/DIV
VOUT
50mV/DIV
VIN = 3.6V
4 LEDs
20mA, 22µH
100ns/DIV
3465 G07
Schottky Forward Voltage Drop
300
TA = 25°C
250
200
150
100
50
0
0 200 400 600 800 1000 1200
SCHOTTKY FORWARD DROP (mV)
3465 G02
Open-Circuit Output Clamp Voltage
35
TA = 25°C
30
25
20
15
10
5
0
2 4 6 8 10 12 14 16
INPUT VOLTAGE (V)
3465 G05
Switching Frequency
3.0
2.5
2.0
1.5
1.0
0.5
0
–50
0
50
TEMPERATURE (°C)
100
3465 G08
Shutdown Quiescent Current
(CTRL = 0V)
30 TA = 25°C
27
24
21
18
15
12
9
6
3
0
2 4 6 8 10 12 14 16
VIN (V)
3465 G03
Input Current in Output Open Circuit
5
4
3
2
1
0
2.0 2.5 3.0 3.5 4.0 4.5 5.0
INPUT VOLTAGE (V)
3465 G06
Feedback Voltage
210
208
206
204
202
200
198
196
194
192
190
–50 –30 –10 10 30 50 70 90
TEMPERATURE (°C)
3465 G09
3465ai
3
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