IN Voltage .................................................. –0.3V to 10V
Driver Output TG (with Respect to TS)....... –0.3V to 10V
Driver Output BG........................................ –0.3V to 10V
Operating Temperature Range (Note 2).... –40°C to 85°C
Junction Temperature (Note 3) ............................. 125°C
Storage Temperature Range................... –65°C to 150°C
DDMA PACKAGE
12-LEAD (3mm 3mm) PLASTIC DFN
θ
JA
= 43°C/W,
θ
JC
= 3°C/W
EXPOSED PAD (PIN 13) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
LTC4443EDD#PBF
LTC4443IDD#PBF
LTC4443EDD-1#PBF
LTC4443IDD-1#PBF
TAPE AND REEL
LTC4443EDD#TRPBF
LTC4443IDD#TRPBF
LTC4443EDD-1#TRPBF
LTC4443IDD-1#TRPBF
PART MARKING*
LCXH
LCXH
LCYN
LCYN
PACKAGE DESCRIPTION
12-Lead (3mm
×
3mm) Plastic DFN
12-Lead (3mm
×
3mm) Plastic DFN
12-Lead (3mm
×
3mm) Plastic DFN
12-Lead (3mm
×
3mm) Plastic DFN
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 85°C
–40°C to 85°C
–40°C to 85°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on non-standard 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/
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
CC
= 7V, V
TS
= GND = 0V, V
LOGIC
= 5V, unless otherwise noted.
SYMBOL
V
LOGIC
I
VLOGIC
UVLO
PARAMETER
Operating Range
DC Supply Current
Undervoltage Lockout Threshold
IN = Floating
V
LOGIC
Rising
V
LOGIC
Falling
Hysteresis
l
l
ELECTRICAL CHARACTERISTICS
Logic Supply (V
LOGIC
)
CONDITIONS
MIN
3
TYP
MAX
9.5
UNITS
V
μA
V
V
mV
V
μA
V
V
mV
V
V
mV
4443fa
730
2.5
2.4
2.75
2.65
100
850
3.0
2.9
Gate Driver Supply (V
CC
)
V
CC
I
VCC
UVLO
Operating Range
DC Supply Current
Undervoltage Lockout Threshold
IN = Floating
V
CC
Rising (LTC4443)
V
CC
Falling (LTC4443)
Hysteresis (LTC4443)
V
CC
Rising (LTC4443-1)
V
CC
Falling (LTC4443-1)
Hysteresis (LTC4443-1)
l
l
l
l
6
600
2.75
2.60
5.6
4.7
3.20
3.04
160
6.2
5.3
850
9.5
800
3.65
3.50
6.7
5.8
2
LTC4443/LTC4443-1
ELECTRICAL CHARACTERISTICS
SYMBOL
V
D
Input Signal (IN)
V
IH(TG)
V
IL(TG)
V
IH(BG)
V
IL(BG)
I
IN(SD)
TG Turn-On Input Threshold
TG Turn-Off Input Threshold
BG Turn-On Input Threshold
BG Turn-Off Input Theshold
Maximum Current Into or Out of IN in
Shutdown Mode
TG High Output Voltage
TG Low Output Voltage
TG Peak Pull-Up Current
TG Peak Pull-Down Current
BG High Output Voltage
BG Low Output Voltage
BG Peak Pull-Up Current
BG Peak Pull-Down Current
BG Low to TG High Propagation Delay
IN Low to TG Low Propagation Delay
TG Low to BG High Propagation Delay
IN High to BG Low Propagation Delay
TG Output Rise Time
TG Output Fall Time
BG Output Rise Time
BG Output Fall Time
10% – 90%, C
L
= 3nF
10% – 90%, C
L
= 3nF
10% – 90%, C
L
= 3nF
10% – 90%, C
L
= 3nF
I
BG
= –10mA, V
OH(BG)
= V
CC
– V
BG
I
BG
= 100mA
l
l
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
CC
= 7V, V
TS
= GND = 0V, V
LOGIC
= 5V, unless otherwise noted.
PARAMETER
Schottky Diode Forward Voltage
CONDITIONS
I
D
= 10mA
I
D
= 100mA
V
LOGIC
≥ 5V, IN Rising
V
LOGIC
= 3.3V, IN Rising
V
LOGIC
≥ 5V, IN Falling
V
LOGIC
= 3.3V, IN Falling
V
LOGIC
≥ 5V, IN Falling
V
LOGIC
= 3.3V, IN Falling
V
LOGIC
≥ 5V, IN Rising
V
LOGIC
= 3.3V, IN Rising
V
LOGIC
≥ 5V, IN Floating
V
LOGIC
= 3.3V, IN Floating
I
TG
= –10mA, V
OH(TG)
= V
BOOST
– V
TG
I
TG
= 100mA, V
OL(TG)
= V
TG
– V
TS
l
l
l
l
l
l
MIN
TYP
0.38
0.48
MAX
UNITS
V
V
3.0
1.9
3.5
2.2
3.25
2.09
4.0
2.6
V
V
V
V
0.8
0.8
1.25
1.10
1.50
1.21
1.6
1.4
V
V
V
V
μA
μA
V
mV
A
A
V
mV
A
A
ns
ns
ns
ns
ns
ns
ns
ns
200
100
300
150
0.7
100
High Side Gate Driver Output (TG)
V
OH(TG)
V
OL(TG)
I
PU(TG)
I
PD(TG)
V
OH(BG)
V
OL(BG)
I
PU(BG)
I
PD(BG)
Switching Time
t
PLH(TG)
t
PHL(TG)
t
PLH(BG)
t
PHL(BG)
t
r(TG)
t
f(TG)
t
r(BG)
t
f(BG)
20
12
20
12
12
8
12
5
1.5
1.5
2.4
2.4
0.7
100
Low Side Gate Driver Output (BG)
1.4
3.5
2.4
5.0
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 LTC4443I/LTC4443I-1 are guaranteed to meet specifications
from –40°C to 85°C. The LTC4443E/LTC4443E-1 are guaranteed to meet
specifications from 0°C to 85°C with specifications over the –40°C to
85°C operating temperature range assured by design, characterization and
correlation with statistical process controls.
T
J
is calculated from the ambient temperature T
A
and power dissipation P
D
according to the following formula:
T
J
= T
A
+ (PD • 43°C/W)
Note 3:
This IC includes overtemperature protection that is intended
to protect the device during momentary overload conditions. Junction
temperature will exceed 125°C when overtemperature protection is active.
Continuous operation above the specified maximum operating junction
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