Datasheet

LTC4444
2
4444fb
PIN CONFIGURATION ABSOLUTE MAXIMUM RATINGS
Supply Voltage
V
CC
......................................................... –0.3V to 14V
BOOST – TS ........................................... –0.3V to 14V
TINP Voltage ..................................................–2V to 14V
BINP Voltage ..................................................–2V to 14V
BOOST Voltage .........................................–0.3V to 114V
TS Voltage .................................................. –5V to 100V
Operating Junction Temperature Range
(Notes 2, 3) ........................................ –55°C to 150°C
Storage Temperature Range ..................–65°C to 150°C
Lead Temperature (Soldering, 10 sec) ...................300°C
(Note 1)
1
2
3
4
TINP
BINP
V
CC
BG
8
7
6
5
TS
TG
BOOST
NC
TOP VIEW
9
GND
MS8E PACKAGE
8-LEAD PLASTIC MSOP
T
JMAX
= 125°C, θ
JA
= 40°C/W, θ
JC
= 10°C/W (NOTE 4)
EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
ELECTRICAL CHARACTERISTICS
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
Gate Driver Supply, V
CC
V
CC
Operating Voltage 7.2 13.5 V
I
VCC
DC Supply Current TINP = BINP = 0V 350 550 µA
UVLO Undervoltage Lockout Threshold V
CC
Rising
V
CC
Falling
Hysteresis
l
l
6.00
5.60
6.60
6.15
450
7.20
6.70
V
V
mV
Bootstrapped Supply (BOOST – TS)
I
BOOST
DC Supply Current TINP = BINP = 0V 0.1 2 µA
Input Signal (TINP, BINP)
V
IH(BG)
BG Turn-On Input Threshold BINP Ramping High
l
2.25 2.75 3.25 V
V
IL(BG)
BG Turn-Off Input Threshold BINP Ramping Low
l
1.85 2.3 2.75 V
V
IH(TG)
TG Turn-On Input Threshold TINP Ramping High
l
2.25 2.75 3.25 V
V
IL(TG)
TG Turn-Off Input Threshold TINP Ramping Low
l
1.85 2.3 2.75 V
I
TINP(BINP)
Input Pin Bias Current ±0.01 ±2 µA
The l denotes the specifications which apply over the full operating junction
temperature range, otherwise specifications are at T
A
= 25°C (Note 2). V
CC
= V
BOOST
= 12V, V
TS
= GND = 0V, unless otherwise noted.
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC4444EMS8E#PBF LTC4444EMS8E#TRPBF LTDBF 8-Lead Plastic MSOP –40°C to 125°C
LTC4444IMS8E#PBF LTC4444IMS8E#TRPBF LTDBF 8-Lead Plastic MSOP –40°C to 125°C
LTC4444HMS8E#PBF LTC4444HMS8E#TRPBF LTDBF 8-Lead Plastic MSOP –40°C to 150°C
LTC4444MPMS8E#PBF LTC4444MPMS8E#TRPBF LTDBF 8-Lead Plastic MSOP –55°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.
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/