4
LT3150
3150f
Switch V
CESAT
 vs Switch Current
SHDN1 Input Bias Current
vs V
SHDN1
Oscillator Frequency
vs Temperature
FB2 Reference Voltage
vs Temperature
Switch Current Limit vs Duty Cycle
FB1 Reference Voltage
vs Temperature
FB2 Input Bias Current
vs Temperature
TYPICAL PERFOR A CE CHARACTERISTICS
W
SWITCH CURRENT (mA)
0    100   200   300   400   500   600   700
3150 G01
700
600
500
400
300
200
100
0
T
A
 = 25癈
TEMPERATURE (癈)
50    25
0
25
50
75    100
3150 G02
2.00
1.75
1.50
1.25
1.00
0.75
0.50
0.25
0
V
IN
 = 5V
V
IN
 = 1.5V
SHDN1 PIN VOLTAGE (V)
0
1
2
3
4
5
3150 G03
50
40
30
20
10
0
T
A
 = 25癈
DUTY CYCLE (%)
10    20    30    40    50    60    70    80
3150 G04
1000
900
800
700
600
500
400
300
200
70癈
25癈
40癈
TEMPERATURE (癈)
50
1
1.25
1.24
1.23
1.22
1.21
1.20
VOLTAGE
25
0
25
50
75    100
TEMPERATURE (癈)
75
1.210
1.214
1.218
1.222
125
3150 G07
1.206
1.202
1.208
1.212
1.216
1.220
1.204
1.200
1.198
25
25
75
50
150
0
50
100
175
TEMPERATURE (癈)
75
3.0
4.0
125
3150 G08
2.0
1.0
2.5
3.5
1.5
0.5
0
25
25
75
50
150
0
50
100
175
V
IN
 = 20V
V
IN
 = 12V
V
IN
 = 8V
Boost Switching Regulator
V
IN2
 Quiescent Current
vs Temperature
TEMPERATURE (癈)
75
5
7
9
11
19
15
25
25  50
150
17
13
6
8
10
18
14
16
12
50
0
75 100 125
175
3150 G06
V
IN
 = 8V
V
IN
 = 12V
V
IN
 = 20V
Linear Regulator Controller
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