LT3755-1 LINER [Linear Technology], LT3755-1 Datasheet - Page 3

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

ELECTRICAL CHARACTERISTICS
junction temperature range, otherwise specifications are at T
PARAMETER
Logic Inputs
EN/UVLO Falling Threshold
EN/UVLO Rising Hysteresis
EN/UVLO Input Low Voltage
EN/UVLO Pin Bias Current Low
EN/UVLO Pin Bias Current High
CTRL Input Bias Current
CTRL Latch-Off Threshold
OVLO Rising Shutdown Voltage
OVLO Falling Hysteresis
Regulation
V
V
V
ISP Bias Current
ISN Bias Current
LED Current Sense Common Mode Range
LED Current Sense Amplifier g
ISMON Monitor Voltage
Input Current Sense Threshold V
IVINP Bias Current
IVINN Bias Current
Input Current Sense Common Mode Range
Input Current Sense Amplifier g
IVINMON Monitor Voltage
FB Regulation Voltage
FB Line Regulation
FB Amplifier g
FB Pin Input Bias Current
VC Standby Input Bias Current
V
Fault
SS Pull-Up Current
SS Discharge Current
FB Overvoltage Rising Threshold
Open LED Rising Threshold (V
REF
REF
(ISP-ISN)
SENSE(MAX)
Voltage
Line Regulation
Threshold
(V
m
SNSP-SNSN
)
m
FB
m
)
(IVINP-IVINN)
CONDITIONS
I
V
V
V
4.7V < V
V
V
V
V
V
3V ≤ V
V
4.7V < V
FB in Regulation
PWM = 0V
Boost
Buck
V
V
VIN
EN/UVLO
EN/UVLO
CTRL
CTRL
CTRL
CTRL
CTRL
(ISP-ISN)
(IVINP-IVINN)
SS
(ISP-ISN)
Drops Below 1µA
= 0V
= 1V
= 2V
= 1100mV
= 700mV
= 300mV
IVINP
IN
IN
= 1V
= 1.6V
= 100mV
= 0V
< 60V
< 60V
≤ 60V
= 50mV
The
A
= 25°C (Note 2). V
l
denotes the specifications which apply over the full operating
IN
= 12V, V
EN/UVLO
l
l
l
l
l
l
l
l
l
l
l
l
l
l
1.194
1.176
1.127
MIN
1.16
2.85
1.96
97.5
47.5
0.96
46.5
0.96
1.22
–20
–56
6.5
94
87
84
46
42
= 12V unless otherwise noted.
2
5
0
3
0.002
0.002
–47.5
2.00
2.12
1.25
1.15
TYP
175
100
100
110
890
565
100
1.2
1.2
1.2
1.4
15
10
20
75
90
90
50
50
10
10
20
50
90
20
51
14
3
3
1
1
102.5
1.206
1.220
0.025
1.173
MAX
1.24
3.15
2.04
0.04
52.5
13.5
1.04
1.04
100
106
150
–39
0.3
50
93
96
54
15
60
54
60
20
60
LT3791
4
UNITS
3
3791f
%/V
%/V
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mS
mV
mV
µA
nA
nA
µA
µA
µS
µA
µA
µS
nA
nA
µA
µA
V
V
V
V
V
V
V
V
V
V
V
V