Datasheet

LT3751
6
3751fc
Typical perForMance characTerisTics
Current Comparator Trip Voltage
(Charge Mode)
Current Comparator Minimum
Trip Voltage (Regulation Mode)
FB Pin Regulation
Mode Threshold
FB Pin Regulation
Mode Hysteresis
FB Pin Overvoltage Mode
Threshold Voltage
FB Pin Overvoltage
Mode Hysteresis
–40
V
TH
VOLTAGE (mV)
109.0
108.5
107.5
108.0
107.0
40 600 80 100
3751 G10
12020
TEMPERATURE (°C)
–20
V
CC
= 5V
V
CC
= 12V
V
CC
= 24V
V
TH
= V
CSP
– V
CSN
–40
V
TH
VOLTAGE (mV)
13.0
12.4
12.6
12.8
12.2
12.0
11.4
11.6
11.2
11.8
11.0
40 600 80 100
3751 G11
12020
TEMPERATURE (°C)
–20
V
CC
= 5V
V
CC
= 12V
V
CC
= 24V
V
TH
= V
CSP
– V
CSN
FB = 1.3V
–40
FB PIN VOLTAGE (V)
1.168
1.164
1.160
1.156
1.152
40 600 80 100
3751 G14
12020
TEMPERATURE (°C)
–20
V
CC
= 5V
V
CC
= 12V
V
CC
= 24V
–40
HYSTERESIS (mV)
60
58
56
54
52
50
40 600 80 100
3751 G15
12020
TEMPERATURE (°C)
–20
V
CC
= 5V
V
CC
= 12V
V
CC
= 24V
–40
FB PIN VOLTAGE (V)
1.356
1.354
1.352
1.350
1.348
1.346
1.344
40 600 80 100
3751 G16
12020
TEMPERATURE (°C)
–20
V
CC
= 5V
V
CC
= 12V
V
CC
= 24V
–40
HYSTERESIS (mV)
61.0
60.6
60.2
59.8
59.4
59.0
40 600 80 100
3751 G17
12020
TEMPERATURE (°C)
–20
V
CC
= 5V
V
CC
= 12V
V
CC
= 24V
CLAMP Pin Threshold
–40
CLAMP PIN VOLTAGE (V)
1.9
1.8
1.7
1.6
1.5
1.4
400 80
3751 G18
120
TEMPERATURE (°C)
V
CC
= 12V
V
CC
= 24V
FB Pin Voltage
FB Pin Bias Current
–40
FB PIN VOLTAGE (V)
1.223
1.222
1.220
1.221
1.219
40 600 80 100
3751 G12
12020
TEMPERATURE (°C)
–20
V
CC
= 5V
V
CC
= 12V
V
CC
= 24V
–40
SOURCED PIN CURRENT (nA)
100
90
80
70
60
50
40
40 600 80 100
3751 G13
12020
TEMPERATURE (°C)
–20
MEASURED AT FB PIN VOLTAGE
V
CC
= 12V