LT3653
ABSOLUTE MAXIMUM RATINGS
(Note 1)
PIN CONFIGURATION
TOP VIEW
V
IN
1
HVOK 2
V
C
3
I
LIM
4
9
8 SW
7 BOOST
6 I
SENSE
5 V
OUT
Input Voltage (V
IN
) (Note 3) ......................................60V
Boost Pin Voltage (BOOST).......................................50V
Boost Pin Above SW Pin ...........................................25V
HVOK, V
OUT
, I
SENSE
Pins .............................................6V
V
C
Pin .........................................................................3V
Operating Junction Temperature Range (Notes 2, 5)
LT3653E .............................................–40°C to 125°C
LT3653I ..............................................–40°C to 125°C
Storage Temperature..............................–65°C to 150°C
DCB PACKAGE
8-LEAD (2mm 3mm) PLASTIC DFN
θ
JA
= 64°C/W,
θ
JC
= 10°C/W
EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
LT3653EDCB#PBF
LT3653IDCB#PBF
TAPE AND REEL
LT3653EDCB#TRPBF
LT3653IDCB#TRPBF
PART MARKING*
LDJN
LDJN
PACKAGE DESCRIPTION
8-Lead (2mm
×
3mm) Plastic DFN
8-Lead (2mm
×
3mm) Plastic DFN
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to:
http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to:
http://www.linear.com/tapeandreel/
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C; V
IN
= 12V, V
BOOST
= 17V, V
SW
= 0V, R
ILIM
= 33.2k, unless otherwise noted.
PARAMETER
V
IN
Operating Range
V
IN
Undervoltage Lockout
V
IN
Undervoltage Hysteresis
V
IN
Overvoltage Lockout
V
IN
Overvoltage Lockout Hysteresis
V
IN
Supply Current
V
OUT
Reverse Leakage Current
V
OUT
Nominal Set Point
V
OUT
Current Limit Range
V
OUT
Current Limit
Operating Frequency
V
C
Source Current
V
C
Sink Current
V
C
Switching Threshold
V
OUT
= 0V, V
C
= 1.5V
V
OUT
= 5V, V
C
= 1.5V
I
OUT
= 0mA
R
ILIM
= 33.2k
Not Switching
V
IN
= 0V, V
OUT
= 4.8V
V
IN
= Open, V
OUT
= 4.8V
V
C
Pin = Open
l
l
l
ELECTRICAL CHARACTERISTICS
CONDITIONS
MIN
l
TYP
7
500
33
1
2.8
MAX
30
7.5
36
3.4
1
1
UNITS
V
V
mV
V
V
mA
μA
μA
V
A
A
A
kHz
μA
μA
V
7.5
6.5
30
Rising
Rising
4.8
0.4
0.85
0.80
1350
1
1
1500
12
10
1.1
5
1.2
1.15
1.2
1650
3653f
2
LINER [ LINEAR TECHNOLOGY ]
