LT1936 Linear Technology, LT1936 Datasheet - Page 2

• Manufacturer Part Number: LT1936
• Description: 1.4A 500kHz Step-Down Switching Regulator
• Manufacturer: Linear Technology

ABSOLUTE MAXIMUM RATINGS
LT1936
(Note 1)
V
BOOST Voltage .........................................................43V
BOOST Above SW Voltage ........................................20V
SHDN Voltage ............................................ –0.4V to 36V
FB, V
Operating Temperature Range (Note 2)
Maximum Junction Temperature
Storage Temperature Range ................... –65°C to 150°C
Lead Temperature (Soldering, 10 sec) .................. 300°C
ORDER INFORMATION
LEAD FREE FINISH
LT1936EMS8E#PBF
LT1936IMS8E#PBF
LT1936HMS8E#PBF
LEAD BASED FINISH
LT1936EMS8E
LT1936IMS8E
LT1936HMS8E
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges.
For more information on lead free part marking, go to:
For more information on tape and reel specifi cations, go to:
ELECTRICAL CHARACTERISTICS
2
temperature range, otherwise specifi cations are at T
PARAMETER
Undervoltage Lockout
Quiescent Current
Quiescent Current in Shutdown
FB Voltage
FB Pin Bias Current (Note 4)
FB Voltage Line Regulation
Error Amp gm
Error Amp Voltage Gain
IN
LT1936E ............................................... –40°C to 85°C
LT1936I .............................................. –40°C to 125°C
LT1936H ............................................ –40°C to 150°C
LT1936E, LT1936I ............................................. 125°C
LT1936H ........................................................... 150°C
Voltage ................................................. –0.4V to 36V
C
, COMP Voltage .................................................6V
TAPE AND REEL
LT1936EMS8E#TRPBF
LT1936IMS8E#TRPBF
LT1936HMS8E#TRPBF
TAPE AND REEL
LT1936EMS8E#TR
LT1936IMS8E#TR
LT1936HMS8E#TR
http://www.linear.com/leadfree/
CONDITIONS
V
V
V
H Grade
V
V
V
FB
SHDN
FB
IN
C
C
PART MARKING
LTBMT
LTBRV
LTBWB
PART MARKING
LTBMT
LTBRV
LTBWB
http://www.linear.com/tapeandreel/
A
= 0.5V, I
= 0.8V, 1.2V
= 5V to 36V
= 1.5V
= 1.20V, E and I Grades
= 25°C. V
= 0V
The
VC
= ±5μA
●
IN
denotes the specifi cations which apply over the full operating
= 12V, V
PIN CONFIGURATION
BOOST
PACKAGE DESCRIPTION
8-Lead Plastic MSOP
8-Lead Plastic MSOP
8-Lead Plastic MSOP
PACKAGE DESCRIPTION
8-Lead Plastic MSOP
8-Lead Plastic MSOP
8-Lead Plastic MSOP
= 17V, unless otherwise noted. (Note 2)
EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB
BOOST
GND
SW
V
IN
θ
8-LEAD PLASTIC MSOP
JA
1
2
3
4
= 40°C/W, θ
●
●
●
MS8E PACKAGE
TOP VIEW
1.175
9
MIN
JC
= 10°C/W
www.DataSheet4U.com
8
7
6
5
1.200
COMP
V
FB
SHDN
–40°C to 85°C
–40°C to 85°C
–40°C to 125°C
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 150°C
TEMPERATURE RANGE
–40°C to 150°C
3.45
0.01
TYP
250
150
C
1.8
0.1
50
50
1.215
MAX
200
300
3.6
2.5
2
UNITS
1936fd
%/V
mA
μA
nA
nA
μS
V
V