Datasheet

LT3470
5
3470fd
Typical perForMance characTerisTics
FB Bias Current (V
FB
= 0V)
vs Temperature
Switch V
CESAT
(I
SW
= 100mA)
vs Temperature
Boost Diode V
F
(I
F
= 50mA)
vs Temperature
Catch Diode V
F
(I
F
= 100mA)
vs Temperature
Diode Leakage (V
R
= 36V)
vs Temperature Switch V
CESAT
BOOST Pin Current Catch Diode Forward Voltage
TEMPERATURE (°C)
–50
FB CURRENT (µA)
80
100
120
25 75
3470 G09
60
40
–25 0
50 100 150125
20
0
TEMPERATURE (°C)
–50
SWITCH V
CESAT
(mV)
200
250
300
25 75
3470 G10
150
100
–25 0
50 100 150125
50
0
TEMPERATURE (°C)
–50
SCHOTTKY V
F
(V)
0.7
25
3470 G11
0.4
0.2
–25 0 50
0.1
0
0.8
0.6
0.5
0.3
75 100 150125
TEMPERATURE (°C)
–50
0.4
0.5
0.7
25 75
3470 G12
0.3
0.2
–25 0
50 100 150125
0.1
0
0.6
SCHOTTKY V
F
(V)
TEMPERATURE (°C)
–50 –25
0
SCHOTTKY DIODE LEAKAGE (µA)
30
60
0
50
75
3470 G13
20
15
10
50
40
25
55
5
45
35
25
100
150125
CATCH
BOOST
SWITCH CURRENT (mA)
0
400
500
700
300
3470 G14
300
200
100 200 400
100
0
600
SWITCH V
CESAT
(mV)
SWITCH CURRENT (mA)
0
8
10
14
300
3470 G15
6
4
100 200 400
2
0
12
BOOST PIN CURRENT (mA)
CATCH DIODE CURRENT (mA)
0
SCHOTTKY V
F
(V)
0.4
0.6
400
3470 G16
0.2
0
100
200
300
1.0
0.8