lt3750 Linear Technology Corporation, lt3750 Datasheet - Page 3

• Manufacturer Part Number: lt3750
• Description: Capacitor Charger Controller
• Manufacturer: Linear Technology Corporation

TYPICAL PERFOR A CE CHARACTERISTICS
1.6
0.9
0.6
0.2
1.8
1.7
1.5
1.4
1.3
0.8
0.7
0.5
0.4
0.3
40
60
50
30
20
10
–50
–50 –25
–50 –25
V
CHARGE Pin Enable/Disable
Voltage
DCM Comparator Trip Voltage
CHARGE PIN DISABLE
R
CC
DCM
–25
Pin Current
= 43k
0
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
CHARGE PIN ENABLE
V
V
25
V
25
25
CC
CC
CC
= 24V
= 12V
= 3V
50
50
50
75
75
75
W
100
100
100
3750 G04
3750 G07
3750 G01
U
125
125
125
1.232
1.220
1.240
1.236
1.228
1.224
175
100
140
100
225
200
150
125
160
120
80
–50 –25
–50 –25
–50
V
DONE Output Signal Low
V
V
R
TRANS
OUT
DONE
DONE
–25
Comparator Trip Voltage
= 5V
= 100k
Pin Current
0
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
V
TRANS
25
25
25
= 12V
50
50
50
V
V
TRANS
TRANS
75
75
75
= 24V
= 3V
100
100
100
3750 G08
3750 G02
3750 G05
125
125
125
45
35
30
25
20
10
40
15
15
25
20
10
78
72
82
80
76
74
0
5
5
0
–50 –25
–50 –25
0
CHARGE Pin Current
Current Limit Comparator Trip
Voltage
GATE High Voltage
4
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
–50°C
8
V
V
V
CHARGE
V
25
25
CC
CC
125°C
CC
25°C
12
= 24V
= 12V
= 5V
50
50
(V)
LT3750
16
75
75
20
100
100
3750 G03
3750 G06
3750 G09
3750fa
3
125
125
24