LT8361E, LT8361I .............................. –40°C to 125°C
LT8361H ............................................ –40°C to 150°C
Storage Temperature Range .................. –65°C to 150°C
MSE PACKAGE
VARIATION: MSE16 (12)
16-LEAD PLASTIC MSOP
θ
JA
= 45°C/W,
θ
JC
= 10°C/W
EXPOSED PAD (PIN 17) IS PGND AND GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
LT8361EMSE#PBF
LT8361IMSE#PBF
LT8361HMSE#PBF
TAPE AND REEL
LT8361EMSE#TRPBF
LT8361IMSE#TRPBF
LT8361HMSE#TRPBF
http://www.linear.com/product/LT8361#orderinfo
PART MARKING*
8361
8361
8361
PACKAGE DESCRIPTION
16-Lead Plastic MSOP with 4 Pins Removed
16-Lead Plastic MSOP with 4 Pins Removed
16-Lead Plastic MSOP with 4 Pins Removed
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
–40°C to 150°C
Consult ADI Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult ADI Marketing for information on nonstandard lead based finish parts.
For more information on lead free part marking, go to:
http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to:
http://www.linear.com/tapeandreel/
2
Rev 0
For more information
www.analog.com
LT8361
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
IN
= 12V, EN/UVLO = 12V unless otherwise noted.
PARAMETER
V
IN
Operating Voltage Range
V
IN
Quiescent Current at Shutdown
V
EN/UVLO
= 0.2V
l
ELECTRICAL CHARACTERISTICS
CONDITIONS
MIN
l
TYP
1
1
2
2
9
9
1200
1200
22
22
4.4
4
BIAS – 2V
V
IN
MAX
60
2
15
5
25
15
30
1600
1850
40
65
4.65
4.25
UNITS
V
μA
μA
μA
μA
μA
μA
µA
µA
µA
µA
V
V
V
V
2.8
V
EN/UVLO
= 1.5V
l
V
IN
Quiescent Current
Sleep Mode (Not Switching)
Active Mode (Not Switching)
SYNC = 0V
l
SYNC = 0V or INTV
CC
, BIAS = 0V
l
SYNC = 0V or INTV
CC
, BIAS = 5V
l
BIAS Threshold
V
IN
Falling Threshold to Supply INTV
CC
BIAS Falling Threshold to Supply INTV
CC
FBX Regulation
FBX Regulation Voltage
FBX Line Regulation
FBX Pin Current
Oscillator
Switching Frequency (f
OSC
)
SSFM Maximum Frequency Deviation
Minimum On-Time
Minimum Off-Time
SYNC/Mode, Mode Thresholds (Note 5)
SYNC/Mode, Clock Thresholds (Note 5)
f
SYNC
/f
OSC
Allowed Ratio
SYNC Pin Current
Switch
Maximum Switch Current Limit Threshold
Switch Overcurrent Threshold
Switch R
DS(ON)
Switch Leakage Current
Rising, BIAS Can Supply INTV
CC
Falling, BIAS Cannot Supply INTV
CC
BIAS = 12V
V
IN
= 12V
FBX > 0V
FBX < 0V
FBX > 0V, 2.8V < V
IN
< 60V
FBX < 0V, 2.8V < V
IN
< 60V
FBX = 1.6V, –0.8V
R
T
= 165k
R
T
= 45.3k
R
T
= 20k
(∆f/f
OSC
) • 100, R
T
= 20k
Burst Mode, V
IN
= 24V (Note 6)
Pulse-Skip Mode, V
IN
= 24V (Note 6)
l
l
l
l
1.568
–0.820
1.6
–0.80
0.005
0.005
1.632
–0.780
0.015
0.015
10
V
V
%/V
%/V
nA
kHz
MHz
MHz
%
ns
ns
ns
V
V
V
V
kHz/kHz
µA
µA
A
A
mΩ
–10
273
0.92
1.85
14
300
1
2
20
70
70
55
0.14
0.4
0.95
1.3
0.2
1.3
0.8
1
10
10
l
l
l
327
1.08
2.15
25
95
90
75
1.7
1.7
1.25
25
25
3.4
High (Rising), V
IN
= 24V
Low (Falling), V
IN
= 24V
Rising, V
IN
= 24V
Falling, V
IN
= 24V
R
T
= 20k
SYNC = 2V
SYNC = 0V, Current Out of Pin
l
l
l
l
l
2
2.5
3.75
375
0.1
Discharges SS Pin
I
SW
= 0.5A
V
SW
= 100V
1
µA
For more information
www.analog.com
3
Rev 0
LT8361
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
IN
= 12V, EN/UVLO = 12V unless otherwise noted.
PARAMETER
EN/UVLO Logic
EN/UVLO Pin Threshold (Rising)
EN/UVLO Pin Threshold (Falling)
EN/UVLO Pin Current
Soft-Start
Soft-Start Charge Current
Soft-Start Pull-Down Resistance
Error Amplifier
Error Amplifier Transconductance
Error Amplifier Voltage Gain
Error Amplifier Max Source Current
Error Amplifier Max Sink Current
FBX = 1.6V
FBX = –0.8V
FBX = 1.6V
FBX = –0.8V
V
C
= 1.1V, Current Out of Pin
V
C
= 1.1V
75
60
185
145
7
7
µA/V
µA/V
V/V
V/V
µA
µA
SS = 0.5V
Fault Condition, SS = 0.1V
2
220
µA
Ω
Start Switching
Stop Switching
V
EN/UVLO
= 1.6V
l
l
l
ELECTRICAL CHARACTERISTICS
CONDITIONS
MIN
1.576
1.545
–50
TYP
1.68
1.6
MAX
1.90
1.645
50
UNITS
V
V
nA
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2:
INTV
CC
cannot be externally driven. No additional components or
loading is allowed on this pin.
Note 3:
The LT8361E is guaranteed to meet performance specifications
from 0°C to 125°C junction temperature. Specifications over the –40°C
to 125°C operating junction temperature range are assured by design,
characterization and correlation with statistical process controls. The
LT8361I is guaranteed over the full –40°C to 125°C operating junction
temperature range. The LT8361H is guaranteed over the full –40°C to
150°C operating junction temperature range.
Note 4:
The IC includes overtemperature protection that is intended to
protect the device during overload conditions. Junction temperature will
exceed 150°C when overtemperature protection is active. Continuous
operation above the specified maximum operating junction temperature
will reduce lifetime.
Note 5:
For SYNC/MODE inputs required to select modes of operation see
the Pin Functions and Applications Information sections.
Note 6:
The IC is tested in a Boost converter configuration with the output
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Embedded System
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