Typical Performance Characteristics
LT1336
DC + Dynamic Supply Current
vs Input Frequency
60
50% DUTY CYCLE
50 CGATE = 3000pF
40
V+ = 20V
30
V+ = 15V
V+ = 10V
20
10
0
1
10
100
1000
INPUT FREQUENCY (kHz)
1336 G03
Undervoltage Lockout (VBOOST)
13
12 VTSOURCE = 60V
11
10
START-UP THRESHOLD
9
8
SHUTDOWN THRESHOLD
7
6
5
4
–50 –25
0 25 50 75
TEMPERATURE (C)
100 125
1336 G06
Top or Bottom Input Pin Current
vs Input Voltage
5.0
4.5 V+ = 12V
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
45
6 7 8 9 10
INPUT VOLTAGE (V)
11 12
1336 G09
DC + Dynamic Supply Current
vs Input Frequency
60
50% DUTY CYCLE
50 V+ = 12V
40
CGATE = 10000pF
30
CGATE = 3000pF
20
10
CGATE = 1000pF
0
1
10
100
1000
INPUT FREQUENCY (kHz)
1336 G04
Input Threshold Voltage
vs Temperature
2.0
V+ = 12V
1.8
VHIGH
1.6
VLOW
1.4
1.2
1.0
0.8
–50 –25
0 25 50 75
TEMPERATURE (C)
100 125
1336 G07
Bottom Gate Rise Time
vs Temperature
230
V+ = 12V
210
190
CLOAD = 10000pF
170
150
130
110
90
CLOAD = 3000pF
70
50
–50 –25
CLOAD = 1000pF
0 25 50 75
TEMPERATURE (C)
100 125
1336 G10
Undervoltage Lockout (V +)
13
12
11
10
START-UP THRESHOLD
9
8
SHUTDOWN THRESHOLD
7
6
5
4
–50 –25
0 25 50 75
TEMPERATURE (C)
100 125
1336 G05
Top or Bottom Input Pin Current
vs Temperature
14
13
V+ = 12V
VIN = 4V
12
11
10
9
8
7
6
5
4
–50 –25
0 25 50 75
TEMPERATURE (C)
100 125
1336 G08
Bottom Gate Fall Time
vs Temperature
210
190 V+ = 12V
170
CLOAD = 10000pF
150
130
110
90
70 CLOAD = 1000pF
50
CLOAD = 3000pF
30
–50 –25
0 25 50 75
TEMPERATURE (C)
100 125
1336 G11
1336fa
5