Datasheet

LTC4440
2
4440fa
For more information www.linear.com/LTC4440
absoluTe MaxiMuM raTings
(Note 1)
Supply Voltage
V
CC
........................................................ – 0.3V to 15V
BOOST – TS ........................................... –0.3V to 15V
INP Voltage ................................................ –0.3V to 15V
BOOST Voltage (Continuous) ..................... –0.3V to 95V
BOOST Voltage (100ms) ...........................–0.3V to 115V
TS Voltage (Continuous) ............................... –5V to 80V
TS Voltage (100ms) .................................... –5V to 100V
Peak Output Current < 1µs (TG) ................................. 4A
Driver Output TG (with Respect to TS) ....... –0.3V to 15V
Operating Ambient Temperature Range
(Note 2) ..............................................–40°C to 85°C
Junction Temperature (Note 3) ............................ 125°C
Storage Temperature Range .................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec) ................... 300°C
elecTrical characTerisTics
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
CC
= V
BOOST
= 12V, V
TS
= GND = 0V, unless otherwise noted.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
Main Supply (V
CC
)
I
VCC
DC Supply Current
Normal Operation
UVLO
INP = 0V
V
CC
< UVLO Threshold (Falling) – 0.1V
250
25
400
80
µA
µA
UVLO Undervoltage Lockout Threshold V
CC
Rising
V
CC
Falling
Hysteresis
l
l
5.7
5.4
6.5
6.2
300
7.3
7.0
V
V
mV
Bootstrapped Supply (BOOST – TS)
I
BOOST
DC Supply Current
Normal Operation
UVLO
INP = 0V
V
BOOST
– V
TS
< UVLO
HS(FALLING)
– 0.1V, V
CC
= INP = 5V
110
86
180
170
µA
µA
1
2
3
4
INP
GND
V
CC
GND
8
7
6
5
TS
TG
BOOST
NC
TOP VIEW
9
MS8E PACKAGE
8-LEAD PLASTIC MSOP
T
JMAX
= 125°C, θ
JA
= 40°C/W (NOTE 4)
EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB
V
CC
1
GND 2
INP 3
6 BOOST
5 TG
4 TS
TOP VIEW
S6 PACKAGE
6-LEAD PLASTIC SOT-23
T
JMAX
= 125°C, θ
JA
= 230°C/W
pin conFiguraTion
orDer inForMaTion
LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC4440EMS8E#PBF LTC4440EMS8E#TRPBF LTF9 8-Lead Plastic MSOP –40°C to 85°C
LTC4440ES6#PBF LTC4440ES6#TRPBF LTZY 6-Lead Plastic SOT-23 –40°C to 85°C
Consult LTC Marketing for parts specified with wider operating temperature ranges.
Consult LTC 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/