LT3743
TYPICAL PERFORMANCE CHARACTERISTICS
5
PWM Driver R DS(0N)
5
HG Driver R DS(ON)
5
LG Driver R DS(ON)
4
4
4
3
2
1
PMOS
NMOS
3
2
1
PMOS
NMOS
3
2
1
PMOS
NMOS
0
–50
–15
20
55
90
125
0
–50
–15
20
55
90
125
0
–50
–15
20
55
90
125
150
TEMPERATURE (°C)
3743 G19
Non-Overlap PWM Signal Delay
150
TEMPERATURE (°C)
Non-Overlap Time
3743 G20
150
TEMPERATURE (°C)
Minimum On-Time
3743 G21
140
120
HG TO LG
120
130
PWMGL TO PWMGH
90
90
120
PWMGH TO PWMGL
60
LG TO HG
60
HG
LG
110
30
30
100
–50
–15
20
55
90
125
0
–50
–15
20
55
90
125
0
–50
–15
20
55
90
125
TEMPERATURE (°C)
3743 G22
TEMPERATURE (°C)
3743 G23
TEMPERATURE (°C)
3743 G24
300
240
Minimum Off-Time
LG
3
2
Regulation Accuracy
CTRL_H = 1.5V, V IN = 12V
6
4
Regulation Accuracy
CTRL_H = 0.75V, V IN = 12V
180
1
0
2
0
120
60
HG
–1
–2
–2
–4
0
–50
–15
20
55
90
125
–3
0
2.5 5.0 7.5
10
–6
0
2.5 5.0 7.5
10
TEMPERATURE (°C)
3743 G25
OUTPUT VOLTAGE (V)
3743 G26
OUTPUT VOLTAGE (V)
3743 G27
3743fd
7
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