LT3493-3 LINER [Linear Technology], LT3493-3 Datasheet - Page 2

• Manufacturer Part Number: LT3493-3
• Manufacturer: LINER [Linear Technology]

ABSOLUTE AXI U RATI GS
(Note 1)
The
V
LT3493-3
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
ELECTRICAL CHARACTERISTICS
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
IN
LT3493E-3 ........................................... –40°C to 85°C
Operating Range
= 12V, V
●
denotes specifications which apply over the full operating temperature range, otherwise specifications are at T
BOOST
= 17V, unless otherwise noted. (Note 2)
IN
W
) .................................................. 40V
W W
CONDITIONS
V
Not Switching
V
V
V
V
T
A
U
FB
SHDN
IN
FB
FB
= 25°C
= 6.8V to 36V
= Measured V
= 0.7V
= 0V
= 0V
REF
(Note 4)
PACKAGE/ORDER I FOR ATIO
Consult LTC Marketing for parts specified with wider operating temperature ranges.
Order Options Tape and Reel: Add #TR Lead Free: Add #PBF
Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking:
ORDER PART NUMBER
LT3493EDCB-3
EXPOSED PAD (PIN 7) IS GND, MUST BE SOLDERED TO PCB
BOOST
GND
FB
6-LEAD (2mm × 3mm) PLASTIC DFN
http://www.linear.com/leadfree/
1
2
3
T
JMAX
●
●
●
= 125°C, θ
DCB PACKAGE
TOP VIEW
MIN
765
685
6.8
6.2
88
91
7
JA
= 64°C/ W
U
DCB PART MARKING
0.007
0.01
TYP
780
750
6.5
1.9
50
36
95
95
6
5
4
SHDN
V
SW
IN
LCGJ
W
A
MAX
= 25°C.
795
150
815
6.8
2.5
36
2
UNITS
U
3493-3f
%/V
kHz
kHz
mV
mA
nA
µA
%
%
V
V