lt3470its8-trpbf Linear Technology Corporation, lt3470its8-trpbf Datasheet - Page 4

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

LT3470
TYPICAL PERFOR A CE CHARACTERISTICS
4
100
400
350
300
250
200
150
90
80
70
60
50
40
30
50
0
0.1
– 50
Efficiency, V
Top and Bottom Switch Current
Limits (V
L = TOKO D52LC 47µH
T
A
= 25°C
– 25
0
LOAD CURRENT (mA)
FB
1
TEMPERATURE (°C)
= 0V) vs Temperature
25
OUT
V
50
= 3.3V
V
IN
IN
6
5
4
2
9
8
7
3
1
0
= 12V
10
–50
= 24V
75
SHDN Bias Current
vs Temperature
–25
100
V
W
V
IN
IN
125
= 36V
0
= 7V
100
3470 G01
3470 G04
V
TEMPERATURE (°C)
V
SHDN
SHDN
150
25
U
= 36V
= 2.5V
50
75
90
80
70
60
50
40
30
50
40
30
20
10
0
0.1
–50 –25
100
Efficiency, V
V
vs Temperature
L = TOKO D52LC 47µH
T
IN
A
= 25°C
125
Quiescent Current
3470 G07
150
0
LOAD CURRENT (mA)
BIAS < 3V
BIAS > 3V
1
TEMPERATURE (°C)
OUT
25
V
V
IN
IN
= 5V
50
= 12V
= 24V
10
75
100
V
60
50
40
30
20
10
IN
0
–50 –25
125
= 36V
FB Bias Current (V
vs Temperature
100
3470 G02
3470 G05
150
0
TEMPERATURE (°C)
25
1.245
1.260
1.255
1.250
1.240
30
25
15
10
20
0
5
50
–50
–50
BIAS Quiescent Current
(Bias > 3V) vs Temperature
V
FB
FB
75
–25
= 1V)
–25
vs Temperature
100
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
125
25
3470 G08
25
150
50
50
75
75
100
100
125
3470 G06
3470 G03
3470fc
125
150