Maximum Junction Temperature .......................... 125°C
Operating Temperature Range (Note 2)
LT8309E ............................................ –40°C to 125°C
LT8309I ............................................. –40°C to 125°C
LT8309H ............................................ –40°C to 150°C
Storage Temperature Range .................. –65°C to 150°C
S5 PACKAGE
5-LEAD PLASTIC TSOT-23
θ
JA
= 215°C/W
orDer inForMaTion
LEAD FREE FINISH
LT8309ES5#PBF
LT8309IS5#PBF
LT8309HS5#PBF
TAPE AND REEL
LT8309ES5#TRPBF
LT8309IS5#TRPBF
LT8309HS5#TRPBF
PART MARKING*
LTGFZ
LTGFZ
LTGFZ
PACKAGE DESCRIPTION
5-Lead Plastic TSOT-23
5-Lead Plastic TSOT-23
5-Lead Plastic TSOT-23
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
–40°C to 150°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
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
8309fa
For more information
www.linear.com/LT8309
LT8309
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C.
PARAMETER
Input Voltage Range
V
CC
Quiescent Current
Comparator
Turn-On Threshold
Turn-Off Threshold
Drain Voltage Latch Reset
Minimum Off-Time
Minimum On-Time
Drain Current
INTV
CC
Linear Regulator
INTV
CC
Quiescent Current
INTV
CC
Voltage Range
INTV
CC
Regulation Voltage
INTV
CC
UVLO
Dropout (V
CC
to INTV
CC
)
Current Limit
Gate Driver
Turn-On Propagation Delay (t
D(ON)
)
Turn-Off Propagation Delay (t
D(OFF)
)
t
r
GATE Driver Output Rise Time
t
f
GATE Driver Output Fall Time
Pull-Up Resistance
Pull-Down Resistance
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:
The LT8309E is guaranteed to meet performance specifications
from 0°C to 125°C operating 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 LT8309I is guaranteed over the full –40°C to 125°C operating junction
R
S
= 0Ω, –100mV
OD
, V
DS
to V
GATE
R
S
= 0Ω, –100mV
OD
, V
DS
to V
GATE
C
L
= 3300pF
C
L
= 3300pF
31
26
21
11
2.7
0.8
40
36
ns
ns
ns
ns
Ω
Ω
I
INTVCC
= –10mA, V
IN
= 7V
l
l
elecTrical characTerisTics
CONDITIONS
l
MIN
4.5
TYP
300
MAX
40
345
–45
25
28
115
410
10.5
117
10
7.2
4.03
1.6
55
UNITS
V
µA
mV
mV
mV
V
ns
ns
µA
µA
V
V
V
V
mA
Not Switching, INTV
CC
= 8V
R
S
= 0Ω
R
S
= 0Ω
l
l
–69
17
16
75
310
–57
21
1.21
95
360
10
100
R
S
= 0Ω
Out of Pin
Not Switching, INTV
CC
= 8V
l
9.5
4.5
6.8
1
30
7
1.3
42
temperature range. The LT8309H is guaranteed over the full –40°C to
150°C operating junction temperature range. High junction temperatures
degrade operating lifetimes. Operating lifetime is derated at junction
temperatures greater than 125°C.
Note 3:
The LT8309 includes overtemperature protection that is intended
to protect the device during momentary overload conditions. Junction
temperature will exceed 150°C when overtemperature protection is active.
Continuous operation above the specified maximum operating junction
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