LT3751 LINER [Linear Technology], LT3751 Datasheet - Page 5

• Manufacturer Part Number: LT3751
• Description: Capacitor Charger Controller with Regulation
• Manufacturer: LINER [Linear Technology]

Typical perForMance characTerisTics
30.8
30.4
30.0
29.6
29.2
28.8
28.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
7
6
5
4
3
2
1
0
–40
–40
0
V
CHARGE Pin Minimum
Enable Voltage
V
RV
R
CC
OUT
BG
TRANS
–20
–20
= 833
Pin Current
Comparator Trip Voltage
4
V
V
V
TRANS
TRANS
TRANS
, RV
0
0
TEMPERATURE (°C)
OUT
TEMPERATURE (°C)
8
PIN VOLTAGE (V)
= 5V
= 12V
= 24V
20
20
= 25.5k (R
40
40
12
60
60
TOL
V
V
16
TRANS
TRANS
= 1%)
80 100
80 100
V
V
V
CC
CC
CC
= 48V
= 72V
20
–40°C
25°C
125°C
= 5V
= 12V
= 24V
3751 G07
3751 G04
3751 G01
120
120
24
1.236
1.234
1.232
1.230
1.228
1.226
1.224
150
145
140
135
130
125
120
115
110
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
–40
–40
0
V
CHARGE Pin Maximum
Disable Voltage
UVLO1 Trip Voltage
RV
V
I
TRANS
VTRANS
CC
TRANS
–20
–20
, CHARGE = 5V
10
= I
, RV
Supply Current
0
0
RVTRANS
20
TEMPERATURE (°C)
TEMPERATURE (°C)
OUT
PIN VOLTAGE (V)
20
20
, R
DCM
30
+ I
40
40
RVOUT
= 25k
60
60
40
+ I
RDCM
80 100
80 100
50
V
V
V
V
V
V
CC
CC
CC
CC
CC
CC
–40°C
25°C
125°C
= 5V
= 12V
= 24V
= 5V
= 12V
= 24V
3751 G02
3751 G05
3751 G08
60
120
120
50.5
50.4
50.3
50.2
50.1
50.0
49.9
49.8
49.7
450
400
350
300
250
200
150
100
400
350
300
250
200
150
100
50
50
0
0
–40
–40
0
CHARGE Pin Current
DONE, FAULT Pin Voltage Low
UVLO1 Trip Current
–20
–20
100µA SINK
4
1mA SINK
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
PIN VOLTAGE (V)
8
20
20
40
40
12
10µA SINK
60
60
LT3751
16
80 100
80 100
V
V
V
CC
CC
CC
20
–40°C
25°C
125°C
= 5V
= 12V
= 24V
3751 G03
3751 G06
3751 G09
3751fc
5
120
120
24