Datasheet

2
LTC4412
4412fa
(Note 1)
Supply Voltage (V
IN
) .................................. 14V to 36V
Voltage from V
IN
to SENSE ........................28V to 28V
Input Voltage
CTL ........................................................ 0.3V to 36V
SENSE .................................................... 14V to 36V
Output Voltage
GATE ..................... 0.3V to the Higher of V
IN
+ 0.3V
or SENSE + 0.3V
STAT .....................................................0.3V to 36V
Operating Temperature Range
(Note 2) ............................................. 40°C to 85°C
Junction Temperature........................................... 125°C
Storage Temperature Range ................. 65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
ABSOLUTE MAXIMUM RATINGS
W
WW
U
T
JMAX
= 125°C, θ
JA
= 230°C/W
The denotes specifications which apply over the full operating
temperature range, unless otherwise noted specifications are at T
A
= 25°C, V
IN
= 12V, CTL and GND = 0V. Current into a pin is positive
and current out of a pin is negative. All voltages are referenced to GND, unless otherwise specified.
ELECTRICAL CHARACTERISTICS
V
IN
1
GND 2
CTL 3
6 SENSE
5 GATE
4 STAT
TOP VIEW
S6 PACKAGE
6-LEAD PLASTIC TSOT-23
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
IN
, Operating Supply Range V
IN
and/or V
SENSE
Must Be in This Range 2.5 28 V
V
SENSE
for Proper Operation
I
QFL
Quiescent Supply Current at Low Supply V
IN
= 3.6V. Measure Combined Current 11 19 μA
While in Forward Regulation at V
IN
and SENSE Pins Averaged with
V
SENSE
= 3.5V and V
SENSE
= 3.6V (Note 3)
I
QFH
Quiescent Supply Current at High Supply V
IN
= 28V. Measure Combined Current 15 26 μA
While in Forward Regulation at V
IN
and SENSE Pins Averaged with
V
SENSE
= 27.9V and V
SENSE
= 28V (Note 3)
I
QRL
Quiescent Supply Current at Low Supply V
IN
= 3.6V, V
SENSE
= 3.7V. Measure 10 19 μA
While in Reverse Turn-Off Combined Current of V
IN
and SENSE Pins
I
QRH
Quiescent Supply Current at High Supply V
IN
= 27.9V, V
SENSE
= 28V. Measure 16 28 μA
While in Reverse Turn-Off Combined Current of V
IN
and SENSE Pins
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC4412ES6#PBF LTC4412ES6#TRPBF LTA2 6-Lead Plastic TSOT-23 40°C to 85°C
LTC4412IS6#PBF LTC4412IS6#TRPBF LTA2 6-Lead Plastic TSOT-23 40°C to 85°C
LEAD BASED FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC4412ES6 LTC4412ES6#TR LTA2 6-Lead Plastic TSOT-23 40°C to 85°C
LTC4412IS6 LTC4412IS6#TR LTA2 6-Lead Plastic TSOT-23 40°C to 85°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is indicated 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/
PI CO FIGURATIO
UUU
ORDER I FOR ATIO
UUW