LT3755-1 LINER [Linear Technology], LT3755-1 Datasheet - Page 8

• Manufacturer Part Number: LT3755-1
• Description: 60V 4-Switch Synchronous
• Manufacturer: LINER [Linear Technology]

LT3791
TYPICAL PERFORMANCE CHARACTERISTICS
8
–40
–60
–20
3.9
3.8
3.7
3.6
3.5
3.4
3.3
3.2
3.1
14
12
60
40
20
10
0
0
8
6
4
2
–50
–50
–50
V
vs Temperature
PWMOUT On-Resistance
vs Temperature
V
vs Temperature
(SNSP-SNSN)
(BST1-SW1)
–25
–25
–25
0
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (˚C)
, V
25
25
25
PULL-DOWN
Buck Threshold
PULL-UP
FALLING
V
(BST2-SW2)
V
RISING
C(MAX)
C(MIN)
50
50
50
75
75
75
100
100 125
100
UVLO
125
125
3791 G28
3791 G31
3791 G34
150
150
150
–20
–40
–60
–80
0.8
3.5
3.0
2.0
1.5
1.6
1.4
1.2
1.0
0.6
0.4
0.2
4.5
4.0
2.5
1.0
0.5
60
40
20
0
0
0
–50
0.6
0
BG1, BG2 Driver On-Resistance
vs Temperature
VC Voltage vs Duty Cycle
V
vs VC
V
(SNSP-SNSN)
(SNSP-SNSN)
–25
0.8
20
0
TEMPERATURE (°C)
1.0
= 0V
DUTY CYCLE (%)
25
PULL-DOWN
40
Boost Threshold
PULL-UP
VC (V)
BG2
BG1
1.2
50
60
75
1.4
100
80
1.6
125
T
3791 G29
3791 G32
3791 G35
A
= 25°C, unless otherwise noted.
100
150
1.8
–20
–40
–60
–20
–40
–80
–60
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
60
40
20
60
40
20
0
0
0
–50
–50
0.6
TG1, TG2 Driver On-Resistance
vs Temperature
vs VC
V
vs Temperature
V
(SNSP-SNSN)
(SNSP-SNSN)
–25
–25
0.8
0
0
TEMPERATURE (°C)
TEMPERATURE (˚C)
1.0
25
25
PULL-DOWN
Buck Threshold
Boost Threshold
PULL-UP
V
V
VC (V)
C(MAX)
C(MIN)
1.2
50
50
75
75
1.4
100
100 125
1.6
125
3791 G33
3791 G36
3791 G30
3791f
150
150
1.8