LT3493 LINER [Linear Technology], LT3493 Datasheet - Page 2

• Manufacturer Part Number: LT3493
• Manufacturer: LINER [Linear Technology]

ABSOLUTE MAXIMUM RATINGS
LT3493
(Note 1)
Input Voltage (V
BOOST Pin Voltage ..................................................50V
BOOST Pin Above SW Pin .........................................25V
SHDN Pin ..................................................................40V
FB Voltage ...................................................................6V
Operating Temperature Range (Note 2)
Maximum Junction Temperature .......................... 125°C
Storage Temperature Range ................... –65°C to 150°C
ORDER INFORMATION
LEAD FREE FINISH
LT3493EDCB#PBF
LT3493IDCB#PBF
LEAD BASED FINISH
LT3493EDCB
LT3493IDCB
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
temperature range, otherwise specifi cations are at T
PARAMETER
V
Undervoltage Lockout
Feedback Voltage
FB Pin Bias Current
Quiescent Current
Quiescent Current in Shutdown
Reference Line Regulation
Switching Frequency
Maximum Duty Cycle
2
IN
LT3493E .............................................. –40°C to 85°C
LT3493I ............................................. –40°C to 125°C
Operating Range
IN
) ....................................................40V
TAPE AND REEL
LT3493EDCB#TRPBF
LT3493IDCB#TRPBF
TAPE AND REEL
LT3493EDCB#TR
LT3493IDCB#TR
http://www.linear.com/leadfree/
CONDITIONS
V
Not Switching
V
V
V
V
T
A
FB
SHDN
IN
FB
FB
PART MARKING
LCGG
LCGH
PART MARKING
LCGG
LCGH
= 25°C
= 5V to 36V
= Measured V
= 0.7V
= 0V
http://www.linear.com/tapeandreel/
A
= 0V
= 25°C. V
The
l
REF
IN
denotes the specifi cations which apply over the full operating
= 12V, V
+ 10mV (Note 4)
PIN CONFIGURATION
PACKAGE DESCRIPTION
6-Lead (2mm × 3mm) Plastic DFN
6-Lead (2mm × 3mm) Plastic DFN
PACKAGE DESCRIPTION
6-Lead (2mm × 3mm) Plastic DFN
6-Lead (2mm × 3mm) Plastic DFN
BOOST
= 17V, unless otherwise noted. (Note 2)
EXPOSED PAD (PIN 7) IS GND, MUST BE SOLDERED TO PCB
BOOST
GND
FB
6-LEAD (2mm 3mm) PLASTIC DFN
1
2
3
T
JMAX
l
l
l
DCB PACKAGE
= 125°C, θ
TOP VIEW
7
MIN
765
685
3.6
3.1
88
91
JA
= 64°C/W
0.007
6
5
4
0.01
TYP
780
750
3.4
1.9
50
36
95
95
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 125°C
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 125°C
SHDN
V
SW
IN
MAX
795
150
815
3.6
2.5
36
2
UNITS
3493fb
%/V
kHz
kHz
mV
mA
nA
μA
%
%
V
V