LT3755/LT3755-1/LT3755-2
Typical perForMance characTerisTics
V
(ISP – ISN)
Threshold vs V
CTRL
120
100
V
(ISP – ISN)
THRESHOLD (mV)
V
(ISP – ISN)
THRESHOLD (mV)
80
60
40
20
0
–20
0
0.5
1
V
CTRL
(V)
37551 G01
T
A
= 25°C, unless otherwise noted.
V
(ISP – ISN)
Threshold
vs Temperature
103
102
101
100
99
98
97
–50 –25
V
CTRL
= 2V
V
(ISP – ISN)
Threshold vs V
ISP
103
102
101
100
99
98
97
V
CTRL
= 2V
V
(ISP – ISN)
THRESHOLD (mV)
0
20
40
60
ISP VOLTAGE (V)
80
37551 G02
1.5
2
0
25 50 75 100 125 150
TEMPERATURE (°C)
37551 G03
FB Regulation Voltage
vs Temperature
1.28
1.27
1.26
V
REF
(V)
1.25
V
FB
(V)
1.24
1.23
1.22
1.21
1.20
–50 –25
0
25 50 75 100 125 150
TEMPERATURE (°C)
37551 G04
V
REF
Voltage vs Temperature
2.04
2.03
2.02
2.01
2.00
1.99
1.98
1.97
1.96
–50 –25
0
25 50 75 100 125 150
TEMPERATURE (°C)
37551 G05
V
REF
Voltage vs V
IN
2.04
2.03
2.02
2.01
V
REF
(V)
2.00
1.99
1.98
1.97
1.96
0
10
20
V
IN
(V)
30
40
37551 G06
Switching Frequency vs R
T
10000
500
Switching Frequency
vs Temperature
R
T
= 26.7k
2.4
SHDN/UVLO
Hysteresis Current
vs Temperature
SWITCHING FREQUENCY (kHz)
SWITCHING FREQUENCY (kHz)
450
I
SHDN/UVLO
(µA)
25 50 75 100 125 150
TEMPERATURE (°C)
37551 G08
2.2
1000
400
2.0
100
350
1.8
10
10
R
T
(k)
100
37551 G07
300
–50 –25
0
1.6
–50 –25
0
25 50 75 100 125 150
TEMPERATURE (°C)
37551 G09
37551fd
LINEAR_DIMENSIONS [ LINEAR DIMENSIONS SEMICONDUCTOR ]
