LT1160/LT1162
TYPICAL PERFORMANCE CHARACTERISTICS (LT1160 or 1/2 LT1162)
W
U
DC Supply Current
vs Supply Voltage
DC + Dynamic Supply Current
vs Input Frequency
DC Supply Current
vs Temperature
14
13
12
11
10
9
60
50
40
30
20
10
0
14
13
12
11
10
9
+
50% DUTY CYCLE
V
= 12V
C
= 3000pF
GATE
BOTH INPUTS
HIGH OR LOW
V
V
= LOW
INTOP
INBOTTOM
= HIGH
+
BOTH INPUTS
HIGH OR LOW
V
= 20V
V
V
= HIGH
INTOP
INBOTTOM
+
= LOW
V
= 15V
V
V
= LOW
INTOP
INBOTTOM
8
8
V
= HIGH
= LOW
INTOP
= HIGH
+
V
V
= 10V
INBOTTOM
7
7
6
6
5
5
1
10
100
1000
–50 –25
0
25
50
75
125
8
10
12
14
16
18
22
100
20
INPUT FREQUENCY (kHz)
TEMPERATURE (°C)
SUPPLY VOLTAGE (V)
1160/62 G03
1160/62 G02
1160/62 G01
DC + Dynamic Supply Current
vs Input Frequency
Undervoltage Lockout (V+)
Undervoltage Lockout (VBOOST)
60
50
40
30
20
10
0
13
12
11
10
9
13
12
11
10
9
50% DUTY CYCLE
+
V
= 60V
TSOURCE
V
= 12V
START-UP THRESHOLD
SHUTDOWN THRESHOLD
START-UP THRESHOLD
SHUTDOWN THRESHOLD
C
= 10000pF
GATE
8
8
C
= 3000pF
GATE
7
7
6
6
C
= 1000pF
GATE
5
5
4
4
1
10
100
1000
–50 –25
0
25
50
75
125
–50 –25
0
25
50
75
125
100
100
INPUT FREQUENCY (kHz)
TEMPERATURE (°C)
TEMPERATURE (°C)
1160/62 G04
1160/62 G05
1160/62 G06
Input Threshold Voltage
vs Temperature
Top or Bottom Input Pin Current
vs Temperature
Top or Bottom Input Pin Current
vs Input Voltage
14
13
12
11
10
9
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
2.0
1.8
1.6
1.4
1.2
1.0
0.8
+
+
+
V
V
= 12V
= 4V
V
= 12V
V
= 12V
IN
V
HIGH
V
LOW
8
7
6
5
4
–50
0
25
50
75 100 125
–25
4
8
10 11
5
6
7
9
12
–50 –25
0
25
50
75
125
100
TEMPERATURE (°C)
INPUT VOLTAGE (V)
TEMPERATURE (°C)
1160/62 G08
1160/62 G09
1160/62 G07
11602fb
4
Linear Systems [ Linear Systems ]
