Datasheet

LTC4446
2
4446f
PIN CONFIGURATIONABSOLUTE 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 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
(Note 1)
1
2
3
4
TINP
BINP
V
CC
BG
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, 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
High Side Gate Driver Output (TG)
V
OH(TG)
TG High Output Voltage I
TG
= –10mA, V
OH(TG)
= V
BOOST
– V
TG
0.7 V
V
OL(TG)
TG Low Output Voltage I
TG
= 100mA, V
OL(TG)
= V
TG
–V
TS
l
120 220 mV
I
PU(TG)
TG Peak Pull-Up Current
l
1.7 2.5 A
R
DS(TG)
TG Pull-Down Resistance
l
1.2 2.2
Ω
The l denotes the specifi cations which apply over the full operating
temperature range, otherwise specifi cations are at T
A
= 25°C. V
CC
= V
BOOST
= 12V, V
TS
= GND = 0V, unless otherwise noted.
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC4446EMS8E#PBF LTC4446EMS8E#TRPBF LTDPZ 8-Lead Plastic MSOP –40°C to 85°C
LTC4446IMS8E#PBF LTC4446IMS8E#TRPBF LTDPZ 8-Lead Plastic MSOP –40°C to 85°C
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based fi nish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifi cations, go to: http://www.linear.com/tapeandreel/