LT3493E-3 Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
Lista de partido
LT3493E-3 Datasheet PDF : 20 Pages
| |||
LT3493-3
ABSOLUTE AXI U RATI GS
(Note 1)
Input Voltage (VIN) .................................................. 40V
BOOST Pin Voltage .................................................. 50V
BOOST Pin Above SW Pin ....................................... 25V
SHDN Pin ................................................................ 40V
FB Voltage ................................................................. 6V
Operating Temperature Range (Note 2)
LT3493E-3 ........................................... –40°C to 85°C
Maximum Junction Temperature .......................... 125°C
Storage Temperature Range ................. – 65°C to 150°C
UW U
PACKAGE/ORDER I FOR ATIO
TOP VIEW
FB 1
6 SHDN
GND 2
7
5 VIN
BOOST 3
4 SW
DCB PACKAGE
6-LEAD (2mm × 3mm) PLASTIC DFN
TJMAX = 125°C, θJA = 64°C/ W
EXPOSED PAD (PIN 7) IS GND, MUST BE SOLDERED TO PCB
ORDER PART NUMBER DCB PART MARKING
LT3493EDCB-3
LCGJ
Order Options Tape and Reel: Add #TR Lead Free: Add #PBF
Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS
The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.
VIN = 12V, VBOOST = 17V, unless otherwise noted. (Note 2)
PARAMETER
VIN Operating Range
Undervoltage Lockout
Feedback Voltage
FB Pin Bias Current
Quiescent Current
Quiescent Current in Shutdown
Reference Line Regulation
Switching Frequency
Maximum Duty Cycle
CONDITIONS
VFB = Measured VREF (Note 4)
Not Switching
VSHDN = 0V
VIN = 6.8V to 36V
VFB = 0.7V
VFB = 0V
TA = 25°C
MIN TYP MAX
6.8
36
6.2
6.5
6.8
●
765
780
795
●
50
150
1.9
2.5
0.01
2
0.007
685
750
815
36
●
88
95
91
95
UNITS
V
V
mV
nA
mA
µA
%/V
kHz
kHz
%
%
3493-3f
2
Share Link: 