LTC1735
TYPICAL PERFOR A CE CHARACTERISTICS
Input and Shutdown Currents
vs Input Voltage
500
EXTV
CC
OPEN
400
INPUT CURRENT (µA)
80
100
4
3
2
1
0
0
5
20
15
25
10
INPUT VOLTAGE (V)
30
35
300
60
EXTV
CC
– INTV
CC
(mV)
INTV
CC
VOLTAGE (V)
200
SHUTDOWN
100
EXTV
CC
= 5V
0
0
5
20
15
10
25
INPUT VOLTAGE (V)
30
35
Maximum Current Sense Threshold
vs Normalized Output Voltage
(Foldback)
80
70
60
50
40
30
20
10
0
0
50
25
75
NORMALIZED OUTPUT VOLTAGE (%)
100
MAXIMUM CURRENT SENSE THRESHOLD (mV)
MAXIMUM CURRENT SENSE THRESHOLD (mV)
V
SENSE(CM)
= 1.6V
MAXIMUM CURRENT SENSE THRESHOLD (mV)
Maximum Current Sense Threshold
vs I
TH
Voltage
MAXIMUM CURRENT SENSE THRESHOLD (mV)
MAXIMUM CURRENT SENSE THRESHOLD (mV)
90
80
70
60
50
40
30
20
10
0
–10
–20
–30
0
0.5
1
1.5
V
ITH
(V)
2
2.5
1735 G13
70
V
ITH
(V)
U W
1735 G07
1735 G10
INTV
CC
Line Regulation
6
5
1mA LOAD
500
EXTV
CC
Switch Drop
vs INTV
CC
Load Current
400
SHUTDOWN CURRENT (µA)
300
40
200
20
100
0
0
0
10
30
40
20
INTV
CC
LOAD CURRENT (mA)
50
1735 G09
1735 G08
Maximum Current Sense Threshold
vs V
RUN/SS
80
80
Maximum Current Sense Threshold
vs Sense Common Mode Voltage
60
76
72
40
68
20
64
0
0
1
2
3
V
RUN/SS
(V)
1735 G11
4
5
6
60
0
1
3
4
2
COMMON MODE VOLTAGE (V)
5
1735 G12
Maximum Current Sense Threshold
vs Temperature
80
2.5
V
SENSE(CM)
= 1.6V
2.0
V
ITH
vs V
RUN/SS
V
OSENSE
= 0.7V
75
1.5
1.0
65
0.5
60
–40 –15
0
85
10
35
60
TEMPERATURE (°C)
110
135
0
1
2
3
V
RUN/SS
(V)
4
5
6
1735 G15
1735 G18
1735fc
5
LINER [ LINEAR TECHNOLOGY ]
