lt3470its8-trpbf Linear Technology Corporation, lt3470its8-trpbf Datasheet - Page 5

• Manufacturer Part Number: lt3470its8-trpbf
• Description: Micropower Buck Regulator With Integrated Boost And Catch Diodes
• Manufacturer: Linear Technology Corporation

TYPICAL PERFOR A CE CHARACTERISTICS
120
100
0.7
0.6
0.5
0.4
0.3
0.2
0.1
40
80
60
20
0
0
–50
–50
Catch Diode V
vs Temperature
FB Bias Current (V
vs Temperature
–25
–25
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
25
25
F
(I
50
50
F
14
12
10
4
2
0
8
6
FB
= 100mA)
0
BOOST Pin Current
75
75
= 0V)
100
100
W
100
SWITCH CURRENT (mA)
125
125
3470 G09
3470 G12
U
150
150
200
300
250
200
150
100
60
55
50
45
40
35
30
25
20
15
10
50
300
0
5
0
–50
–50 –25
Diode Leakage (V
vs Temperature
Switch V
vs Temperature
–25
3470 G15
CATCH
BOOST
400
0
0
CESAT
TEMPERATURE (°C)
TEMPERATURE (°C)
25
25
(I
SW
50
50
R
= 100mA)
= 36V)
75
75
1.0
0.8
0.6
0.4
0.2
100
100
0
0
Catch Diode Forward Voltage
125
125
3470 G10
3470 G13
150
150
CATCH DIODE CURRENT (mA)
100
700
600
400
200
100
200
500
300
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0
– 50
0
Boost Diode V
vs Temperature
Switch V
– 25
300
100
0
SWITCH CURRENT (mA)
CESAT
TEMPERATURE (°C)
3470 G16
25
400
F
(I
200
50
F
= 50mA)
75
LT3470
300
100
125
3470 G14
3470 G11
3470fc
5
150
400