Datasheet

LT1936
2
1936fd
PIN CONFIGURATION
ELECTRICAL CHARACTERISTICS
ABSOLUTE MAXIMUM RATINGS
V
IN
Voltage ................................................. –0.4V to 36V
BOOST Voltage .........................................................43V
BOOST Above SW Voltage ........................................20V
SHDN Voltage ............................................ –0.4V to 36V
FB, V
C
, COMP Voltage .................................................6V
Operating Temperature Range (Note 2)
LT1936E ............................................... –40°C to 85°C
LT1936I .............................................. –40°C to 125°C
LT1936H ............................................ –40°C to 150°C
Maximum Junction Temperature
LT1936E, LT1936I ............................................. 125°C
LT1936H ........................................................... 150°C
Storage Temperature Range ................... –65°C to 150°C
Lead Temperature (Soldering, 10 sec) .................. 300°C
(Note 1)
1
2
3
4
BOOST
V
IN
SW
GND
8
7
6
5
COMP
V
C
FB
SHDN
TOP VIEW
9
MS8E PACKAGE
8-LEAD PLASTIC MSOP
θ
JA
= 40°C/W, θ
JC
= 10°C/W
EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB
The ● denotes the specifi cations which apply over the full operating
temperature range, otherwise specifi cations are at T
A
= 25°C. V
IN
= 12V, V
BOOST
= 17V, unless otherwise noted. (Note 2)
PARAMETER CONDITIONS MIN TYP MAX UNITS
Undervoltage Lockout 3.45 3.6 V
Quiescent Current V
FB
= 1.5V 1.8 2.5 mA
Quiescent Current in Shutdown V
SHDN
= 0V 0.1 2 μA
FB Voltage
●
1.175 1.200 1.215 V
FB Pin Bias Current (Note 4) V
FB
= 1.20V, E and I Grades
H Grade
●
●
50
50
200
300
nA
nA
FB Voltage Line Regulation V
IN
= 5V to 36V 0.01 %/V
Error Amp gm V
C
= 0.5V, I
VC
= ±5μA 250 μS
Error Amp Voltage Gain V
C
= 0.8V, 1.2V 150
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LT1936EMS8E#PBF LT1936EMS8E#TRPBF LTBMT 8-Lead Plastic MSOP –40°C to 85°C
LT1936IMS8E#PBF LT1936IMS8E#TRPBF LTBRV 8-Lead Plastic MSOP –40°C to 125°C
LT1936HMS8E#PBF LT1936HMS8E#TRPBF LTBWB 8-Lead Plastic MSOP –40°C to 150°C
LEAD BASED FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LT1936EMS8E LT1936EMS8E#TR LTBMT 8-Lead Plastic MSOP –40°C to 85°C
LT1936IMS8E LT1936IMS8E#TR LTBRV 8-Lead Plastic MSOP –40°C to 125°C
LT1936HMS8E LT1936HMS8E#TR LTBWB 8-Lead Plastic MSOP –40°C to 150°C
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges.
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/