Datasheet

5
LT1307/LT1307B
1307fa
LOAD CURRENT (mA)
50
60
70
80
90
EFFICIENCY (%)
200
0.1
1
10 100
LT1307 • G01
V
IN
= 1.00V
V
IN
= 1.25V
V
IN
= 1.5V
3.3V Output Efficiency, Circuit of
Figure 1 (LT1307B)
5V Output Efficiency, Circuit of
Figure 1 (LT1307B)
Quiescent Current vs Temperature
Feedback Bias Current vs
Temperature LBI Bias Current vs Temperature
5V Output Efficiency, Circuit of
Figure 1 (LT1307)
TEMPERATURE (°C)
–50
QUIESCENT CURRENT (µA)
30
40
50
25
75
1307 G04
20
10
0
–25 0 50
60
70
80
100
TEMPERATURE (°C)
–50
0
FEEDBACK BIAS CURRENT (nA)
10
20
30
40
50
–25
02550
1307 G05
75 100
V
IN
= 1.1V
TEMPERATURE (°C)
–50
LBI BIAS CURRENT (nA)
25
75
LT1307 • TPC06
–25 0 50
16
14
12
10
8
6
4
2
0
100
Quiescent Current in Shutdown
Shutdown Pin Bias Current vs
Input Voltage
Switch V
CESAT
vs Current
INPUT VOLTAGE (V)
0
QUIESCENT CURRENT (µA)
6
8
10
4
1307 G07
4
2
0
1
2
3
5
INPUT VOLTAGE (V)
0
SHUTDOWN PIN CURRENT (µA)
12
16
20
4
1307 G07
8
4
0
1
2
3
5
SWITCH CURRENT (mA)
0
0
V
CESAT
(mV)
100
200
300
400
500
100
200 300 400
LT1307 • TPC09
500 600
T
A
= 25°C
LOAD CURRENT (mA)
0.1
50
EFFICIENCY (%)
70
90
100101
1307 G02
30
40
60
80
20
10
V
IN
= 1.25V
V
IN
= 1.5V
V
IN
= 1V
TYPICAL PERFOR A CE CHARACTERISTICS
UW
LOAD CURRENT (mA)
0.1
50
EFFICIENCY (%)
70
90
100101
1307 G02
30
40
60
80
20
10
V
IN
= 1.5V
V
IN
= 1V
V
IN
= 1.25V